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1 | # bundle2.py - generic container format to transmit arbitrary data. |
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1 | # bundle2.py - generic container format to transmit arbitrary data. | |
2 | # |
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2 | # | |
3 | # Copyright 2013 Facebook, Inc. |
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3 | # Copyright 2013 Facebook, Inc. | |
4 | # |
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4 | # | |
5 | # This software may be used and distributed according to the terms of the |
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5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
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6 | # GNU General Public License version 2 or any later version. | |
7 | """Handling of the new bundle2 format |
|
7 | """Handling of the new bundle2 format | |
8 |
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8 | |||
9 | The goal of bundle2 is to act as an atomically packet to transmit a set of |
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9 | The goal of bundle2 is to act as an atomically packet to transmit a set of | |
10 | payloads in an application agnostic way. It consist in a sequence of "parts" |
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10 | payloads in an application agnostic way. It consist in a sequence of "parts" | |
11 | that will be handed to and processed by the application layer. |
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11 | that will be handed to and processed by the application layer. | |
12 |
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12 | |||
13 |
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13 | |||
14 | General format architecture |
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14 | General format architecture | |
15 | =========================== |
|
15 | =========================== | |
16 |
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16 | |||
17 | The format is architectured as follow |
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17 | The format is architectured as follow | |
18 |
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18 | |||
19 | - magic string |
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19 | - magic string | |
20 | - stream level parameters |
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20 | - stream level parameters | |
21 | - payload parts (any number) |
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21 | - payload parts (any number) | |
22 | - end of stream marker. |
|
22 | - end of stream marker. | |
23 |
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23 | |||
24 | the Binary format |
|
24 | the Binary format | |
25 | ============================ |
|
25 | ============================ | |
26 |
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26 | |||
27 | All numbers are unsigned and big-endian. |
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27 | All numbers are unsigned and big-endian. | |
28 |
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28 | |||
29 | stream level parameters |
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29 | stream level parameters | |
30 | ------------------------ |
|
30 | ------------------------ | |
31 |
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31 | |||
32 | Binary format is as follow |
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32 | Binary format is as follow | |
33 |
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33 | |||
34 | :params size: int32 |
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34 | :params size: int32 | |
35 |
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35 | |||
36 | The total number of Bytes used by the parameters |
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36 | The total number of Bytes used by the parameters | |
37 |
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37 | |||
38 | :params value: arbitrary number of Bytes |
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38 | :params value: arbitrary number of Bytes | |
39 |
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39 | |||
40 | A blob of `params size` containing the serialized version of all stream level |
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40 | A blob of `params size` containing the serialized version of all stream level | |
41 | parameters. |
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41 | parameters. | |
42 |
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42 | |||
43 | The blob contains a space separated list of parameters. Parameters with value |
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43 | The blob contains a space separated list of parameters. Parameters with value | |
44 | are stored in the form `<name>=<value>`. Both name and value are urlquoted. |
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44 | are stored in the form `<name>=<value>`. Both name and value are urlquoted. | |
45 |
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45 | |||
46 | Empty name are obviously forbidden. |
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46 | Empty name are obviously forbidden. | |
47 |
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47 | |||
48 | Name MUST start with a letter. If this first letter is lower case, the |
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48 | Name MUST start with a letter. If this first letter is lower case, the | |
49 | parameter is advisory and can be safely ignored. However when the first |
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49 | parameter is advisory and can be safely ignored. However when the first | |
50 | letter is capital, the parameter is mandatory and the bundling process MUST |
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50 | letter is capital, the parameter is mandatory and the bundling process MUST | |
51 | stop if he is not able to proceed it. |
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51 | stop if he is not able to proceed it. | |
52 |
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52 | |||
53 | Stream parameters use a simple textual format for two main reasons: |
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53 | Stream parameters use a simple textual format for two main reasons: | |
54 |
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54 | |||
55 | - Stream level parameters should remain simple and we want to discourage any |
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55 | - Stream level parameters should remain simple and we want to discourage any | |
56 | crazy usage. |
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56 | crazy usage. | |
57 | - Textual data allow easy human inspection of a bundle2 header in case of |
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57 | - Textual data allow easy human inspection of a bundle2 header in case of | |
58 | troubles. |
|
58 | troubles. | |
59 |
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59 | |||
60 | Any Applicative level options MUST go into a bundle2 part instead. |
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60 | Any Applicative level options MUST go into a bundle2 part instead. | |
61 |
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61 | |||
62 | Payload part |
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62 | Payload part | |
63 | ------------------------ |
|
63 | ------------------------ | |
64 |
|
64 | |||
65 | Binary format is as follow |
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65 | Binary format is as follow | |
66 |
|
66 | |||
67 | :header size: int32 |
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67 | :header size: int32 | |
68 |
|
68 | |||
69 | The total number of Bytes used by the part header. When the header is empty |
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69 | The total number of Bytes used by the part header. When the header is empty | |
70 | (size = 0) this is interpreted as the end of stream marker. |
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70 | (size = 0) this is interpreted as the end of stream marker. | |
71 |
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71 | |||
72 | :header: |
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72 | :header: | |
73 |
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73 | |||
74 | The header defines how to interpret the part. It contains two piece of |
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74 | The header defines how to interpret the part. It contains two piece of | |
75 | data: the part type, and the part parameters. |
|
75 | data: the part type, and the part parameters. | |
76 |
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76 | |||
77 | The part type is used to route an application level handler, that can |
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77 | The part type is used to route an application level handler, that can | |
78 | interpret payload. |
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78 | interpret payload. | |
79 |
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79 | |||
80 | Part parameters are passed to the application level handler. They are |
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80 | Part parameters are passed to the application level handler. They are | |
81 | meant to convey information that will help the application level object to |
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81 | meant to convey information that will help the application level object to | |
82 | interpret the part payload. |
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82 | interpret the part payload. | |
83 |
|
83 | |||
84 | The binary format of the header is has follow |
|
84 | The binary format of the header is has follow | |
85 |
|
85 | |||
86 | :typesize: (one byte) |
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86 | :typesize: (one byte) | |
87 |
|
87 | |||
88 | :parttype: alphanumerical part name (restricted to [a-zA-Z0-9_:-]*) |
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88 | :parttype: alphanumerical part name (restricted to [a-zA-Z0-9_:-]*) | |
89 |
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89 | |||
90 | :partid: A 32bits integer (unique in the bundle) that can be used to refer |
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90 | :partid: A 32bits integer (unique in the bundle) that can be used to refer | |
91 | to this part. |
|
91 | to this part. | |
92 |
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92 | |||
93 | :parameters: |
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93 | :parameters: | |
94 |
|
94 | |||
95 | Part's parameter may have arbitrary content, the binary structure is:: |
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95 | Part's parameter may have arbitrary content, the binary structure is:: | |
96 |
|
96 | |||
97 | <mandatory-count><advisory-count><param-sizes><param-data> |
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97 | <mandatory-count><advisory-count><param-sizes><param-data> | |
98 |
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98 | |||
99 | :mandatory-count: 1 byte, number of mandatory parameters |
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99 | :mandatory-count: 1 byte, number of mandatory parameters | |
100 |
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100 | |||
101 | :advisory-count: 1 byte, number of advisory parameters |
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101 | :advisory-count: 1 byte, number of advisory parameters | |
102 |
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102 | |||
103 | :param-sizes: |
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103 | :param-sizes: | |
104 |
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104 | |||
105 | N couple of bytes, where N is the total number of parameters. Each |
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105 | N couple of bytes, where N is the total number of parameters. Each | |
106 | couple contains (<size-of-key>, <size-of-value) for one parameter. |
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106 | couple contains (<size-of-key>, <size-of-value) for one parameter. | |
107 |
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107 | |||
108 | :param-data: |
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108 | :param-data: | |
109 |
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109 | |||
110 | A blob of bytes from which each parameter key and value can be |
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110 | A blob of bytes from which each parameter key and value can be | |
111 | retrieved using the list of size couples stored in the previous |
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111 | retrieved using the list of size couples stored in the previous | |
112 | field. |
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112 | field. | |
113 |
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113 | |||
114 | Mandatory parameters comes first, then the advisory ones. |
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114 | Mandatory parameters comes first, then the advisory ones. | |
115 |
|
115 | |||
116 | Each parameter's key MUST be unique within the part. |
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116 | Each parameter's key MUST be unique within the part. | |
117 |
|
117 | |||
118 | :payload: |
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118 | :payload: | |
119 |
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119 | |||
120 | payload is a series of `<chunksize><chunkdata>`. |
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120 | payload is a series of `<chunksize><chunkdata>`. | |
121 |
|
121 | |||
122 | `chunksize` is an int32, `chunkdata` are plain bytes (as much as |
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122 | `chunksize` is an int32, `chunkdata` are plain bytes (as much as | |
123 | `chunksize` says)` The payload part is concluded by a zero size chunk. |
|
123 | `chunksize` says)` The payload part is concluded by a zero size chunk. | |
124 |
|
124 | |||
125 | The current implementation always produces either zero or one chunk. |
|
125 | The current implementation always produces either zero or one chunk. | |
126 | This is an implementation limitation that will ultimately be lifted. |
|
126 | This is an implementation limitation that will ultimately be lifted. | |
127 |
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127 | |||
128 | `chunksize` can be negative to trigger special case processing. No such |
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128 | `chunksize` can be negative to trigger special case processing. No such | |
129 | processing is in place yet. |
|
129 | processing is in place yet. | |
130 |
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130 | |||
131 | Bundle processing |
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131 | Bundle processing | |
132 | ============================ |
|
132 | ============================ | |
133 |
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133 | |||
134 | Each part is processed in order using a "part handler". Handler are registered |
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134 | Each part is processed in order using a "part handler". Handler are registered | |
135 | for a certain part type. |
|
135 | for a certain part type. | |
136 |
|
136 | |||
137 | The matching of a part to its handler is case insensitive. The case of the |
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137 | The matching of a part to its handler is case insensitive. The case of the | |
138 | part type is used to know if a part is mandatory or advisory. If the Part type |
|
138 | part type is used to know if a part is mandatory or advisory. If the Part type | |
139 | contains any uppercase char it is considered mandatory. When no handler is |
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139 | contains any uppercase char it is considered mandatory. When no handler is | |
140 | known for a Mandatory part, the process is aborted and an exception is raised. |
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140 | known for a Mandatory part, the process is aborted and an exception is raised. | |
141 | If the part is advisory and no handler is known, the part is ignored. When the |
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141 | If the part is advisory and no handler is known, the part is ignored. When the | |
142 | process is aborted, the full bundle is still read from the stream to keep the |
|
142 | process is aborted, the full bundle is still read from the stream to keep the | |
143 | channel usable. But none of the part read from an abort are processed. In the |
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143 | channel usable. But none of the part read from an abort are processed. In the | |
144 | future, dropping the stream may become an option for channel we do not care to |
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144 | future, dropping the stream may become an option for channel we do not care to | |
145 | preserve. |
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145 | preserve. | |
146 | """ |
|
146 | """ | |
147 |
|
147 | |||
148 | from __future__ import absolute_import |
|
148 | from __future__ import absolute_import | |
149 |
|
149 | |||
150 | import errno |
|
150 | import errno | |
151 | import re |
|
151 | import re | |
152 | import string |
|
152 | import string | |
153 | import struct |
|
153 | import struct | |
154 | import sys |
|
154 | import sys | |
155 |
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155 | |||
156 | from .i18n import _ |
|
156 | from .i18n import _ | |
157 | from . import ( |
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157 | from . import ( | |
158 | changegroup, |
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158 | changegroup, | |
159 | error, |
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159 | error, | |
160 | obsolete, |
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160 | obsolete, | |
161 | pushkey, |
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161 | pushkey, | |
162 | pycompat, |
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162 | pycompat, | |
163 | tags, |
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163 | tags, | |
164 | url, |
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164 | url, | |
165 | util, |
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165 | util, | |
166 | ) |
|
166 | ) | |
167 |
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167 | |||
168 | urlerr = util.urlerr |
|
168 | urlerr = util.urlerr | |
169 | urlreq = util.urlreq |
|
169 | urlreq = util.urlreq | |
170 |
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170 | |||
171 | _pack = struct.pack |
|
171 | _pack = struct.pack | |
172 | _unpack = struct.unpack |
|
172 | _unpack = struct.unpack | |
173 |
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173 | |||
174 | _fstreamparamsize = '>i' |
|
174 | _fstreamparamsize = '>i' | |
175 | _fpartheadersize = '>i' |
|
175 | _fpartheadersize = '>i' | |
176 | _fparttypesize = '>B' |
|
176 | _fparttypesize = '>B' | |
177 | _fpartid = '>I' |
|
177 | _fpartid = '>I' | |
178 | _fpayloadsize = '>i' |
|
178 | _fpayloadsize = '>i' | |
179 | _fpartparamcount = '>BB' |
|
179 | _fpartparamcount = '>BB' | |
180 |
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180 | |||
181 | preferedchunksize = 4096 |
|
181 | preferedchunksize = 4096 | |
182 |
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182 | |||
183 | _parttypeforbidden = re.compile('[^a-zA-Z0-9_:-]') |
|
183 | _parttypeforbidden = re.compile('[^a-zA-Z0-9_:-]') | |
184 |
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184 | |||
185 | def outdebug(ui, message): |
|
185 | def outdebug(ui, message): | |
186 | """debug regarding output stream (bundling)""" |
|
186 | """debug regarding output stream (bundling)""" | |
187 | if ui.configbool('devel', 'bundle2.debug', False): |
|
187 | if ui.configbool('devel', 'bundle2.debug', False): | |
188 | ui.debug('bundle2-output: %s\n' % message) |
|
188 | ui.debug('bundle2-output: %s\n' % message) | |
189 |
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189 | |||
190 | def indebug(ui, message): |
|
190 | def indebug(ui, message): | |
191 | """debug on input stream (unbundling)""" |
|
191 | """debug on input stream (unbundling)""" | |
192 | if ui.configbool('devel', 'bundle2.debug', False): |
|
192 | if ui.configbool('devel', 'bundle2.debug', False): | |
193 | ui.debug('bundle2-input: %s\n' % message) |
|
193 | ui.debug('bundle2-input: %s\n' % message) | |
194 |
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194 | |||
195 | def validateparttype(parttype): |
|
195 | def validateparttype(parttype): | |
196 | """raise ValueError if a parttype contains invalid character""" |
|
196 | """raise ValueError if a parttype contains invalid character""" | |
197 | if _parttypeforbidden.search(parttype): |
|
197 | if _parttypeforbidden.search(parttype): | |
198 | raise ValueError(parttype) |
|
198 | raise ValueError(parttype) | |
199 |
|
199 | |||
200 | def _makefpartparamsizes(nbparams): |
|
200 | def _makefpartparamsizes(nbparams): | |
201 | """return a struct format to read part parameter sizes |
|
201 | """return a struct format to read part parameter sizes | |
202 |
|
202 | |||
203 | The number parameters is variable so we need to build that format |
|
203 | The number parameters is variable so we need to build that format | |
204 | dynamically. |
|
204 | dynamically. | |
205 | """ |
|
205 | """ | |
206 | return '>'+('BB'*nbparams) |
|
206 | return '>'+('BB'*nbparams) | |
207 |
|
207 | |||
208 | parthandlermapping = {} |
|
208 | parthandlermapping = {} | |
209 |
|
209 | |||
210 | def parthandler(parttype, params=()): |
|
210 | def parthandler(parttype, params=()): | |
211 | """decorator that register a function as a bundle2 part handler |
|
211 | """decorator that register a function as a bundle2 part handler | |
212 |
|
212 | |||
213 | eg:: |
|
213 | eg:: | |
214 |
|
214 | |||
215 | @parthandler('myparttype', ('mandatory', 'param', 'handled')) |
|
215 | @parthandler('myparttype', ('mandatory', 'param', 'handled')) | |
216 | def myparttypehandler(...): |
|
216 | def myparttypehandler(...): | |
217 | '''process a part of type "my part".''' |
|
217 | '''process a part of type "my part".''' | |
218 | ... |
|
218 | ... | |
219 | """ |
|
219 | """ | |
220 | validateparttype(parttype) |
|
220 | validateparttype(parttype) | |
221 | def _decorator(func): |
|
221 | def _decorator(func): | |
222 | lparttype = parttype.lower() # enforce lower case matching. |
|
222 | lparttype = parttype.lower() # enforce lower case matching. | |
223 | assert lparttype not in parthandlermapping |
|
223 | assert lparttype not in parthandlermapping | |
224 | parthandlermapping[lparttype] = func |
|
224 | parthandlermapping[lparttype] = func | |
225 | func.params = frozenset(params) |
|
225 | func.params = frozenset(params) | |
226 | return func |
|
226 | return func | |
227 | return _decorator |
|
227 | return _decorator | |
228 |
|
228 | |||
229 | class unbundlerecords(object): |
|
229 | class unbundlerecords(object): | |
230 | """keep record of what happens during and unbundle |
|
230 | """keep record of what happens during and unbundle | |
231 |
|
231 | |||
232 | New records are added using `records.add('cat', obj)`. Where 'cat' is a |
|
232 | New records are added using `records.add('cat', obj)`. Where 'cat' is a | |
233 | category of record and obj is an arbitrary object. |
|
233 | category of record and obj is an arbitrary object. | |
234 |
|
234 | |||
235 | `records['cat']` will return all entries of this category 'cat'. |
|
235 | `records['cat']` will return all entries of this category 'cat'. | |
236 |
|
236 | |||
237 | Iterating on the object itself will yield `('category', obj)` tuples |
|
237 | Iterating on the object itself will yield `('category', obj)` tuples | |
238 | for all entries. |
|
238 | for all entries. | |
239 |
|
239 | |||
240 | All iterations happens in chronological order. |
|
240 | All iterations happens in chronological order. | |
241 | """ |
|
241 | """ | |
242 |
|
242 | |||
243 | def __init__(self): |
|
243 | def __init__(self): | |
244 | self._categories = {} |
|
244 | self._categories = {} | |
245 | self._sequences = [] |
|
245 | self._sequences = [] | |
246 | self._replies = {} |
|
246 | self._replies = {} | |
247 |
|
247 | |||
248 | def add(self, category, entry, inreplyto=None): |
|
248 | def add(self, category, entry, inreplyto=None): | |
249 | """add a new record of a given category. |
|
249 | """add a new record of a given category. | |
250 |
|
250 | |||
251 | The entry can then be retrieved in the list returned by |
|
251 | The entry can then be retrieved in the list returned by | |
252 | self['category'].""" |
|
252 | self['category'].""" | |
253 | self._categories.setdefault(category, []).append(entry) |
|
253 | self._categories.setdefault(category, []).append(entry) | |
254 | self._sequences.append((category, entry)) |
|
254 | self._sequences.append((category, entry)) | |
255 | if inreplyto is not None: |
|
255 | if inreplyto is not None: | |
256 | self.getreplies(inreplyto).add(category, entry) |
|
256 | self.getreplies(inreplyto).add(category, entry) | |
257 |
|
257 | |||
258 | def getreplies(self, partid): |
|
258 | def getreplies(self, partid): | |
259 | """get the records that are replies to a specific part""" |
|
259 | """get the records that are replies to a specific part""" | |
260 | return self._replies.setdefault(partid, unbundlerecords()) |
|
260 | return self._replies.setdefault(partid, unbundlerecords()) | |
261 |
|
261 | |||
262 | def __getitem__(self, cat): |
|
262 | def __getitem__(self, cat): | |
263 | return tuple(self._categories.get(cat, ())) |
|
263 | return tuple(self._categories.get(cat, ())) | |
264 |
|
264 | |||
265 | def __iter__(self): |
|
265 | def __iter__(self): | |
266 | return iter(self._sequences) |
|
266 | return iter(self._sequences) | |
267 |
|
267 | |||
268 | def __len__(self): |
|
268 | def __len__(self): | |
269 | return len(self._sequences) |
|
269 | return len(self._sequences) | |
270 |
|
270 | |||
271 | def __nonzero__(self): |
|
271 | def __nonzero__(self): | |
272 | return bool(self._sequences) |
|
272 | return bool(self._sequences) | |
273 |
|
273 | |||
274 | __bool__ = __nonzero__ |
|
274 | __bool__ = __nonzero__ | |
275 |
|
275 | |||
276 | class bundleoperation(object): |
|
276 | class bundleoperation(object): | |
277 | """an object that represents a single bundling process |
|
277 | """an object that represents a single bundling process | |
278 |
|
278 | |||
279 | Its purpose is to carry unbundle-related objects and states. |
|
279 | Its purpose is to carry unbundle-related objects and states. | |
280 |
|
280 | |||
281 | A new object should be created at the beginning of each bundle processing. |
|
281 | A new object should be created at the beginning of each bundle processing. | |
282 | The object is to be returned by the processing function. |
|
282 | The object is to be returned by the processing function. | |
283 |
|
283 | |||
284 | The object has very little content now it will ultimately contain: |
|
284 | The object has very little content now it will ultimately contain: | |
285 | * an access to the repo the bundle is applied to, |
|
285 | * an access to the repo the bundle is applied to, | |
286 | * a ui object, |
|
286 | * a ui object, | |
287 | * a way to retrieve a transaction to add changes to the repo, |
|
287 | * a way to retrieve a transaction to add changes to the repo, | |
288 | * a way to record the result of processing each part, |
|
288 | * a way to record the result of processing each part, | |
289 | * a way to construct a bundle response when applicable. |
|
289 | * a way to construct a bundle response when applicable. | |
290 | """ |
|
290 | """ | |
291 |
|
291 | |||
292 | def __init__(self, repo, transactiongetter, captureoutput=True): |
|
292 | def __init__(self, repo, transactiongetter, captureoutput=True): | |
293 | self.repo = repo |
|
293 | self.repo = repo | |
294 | self.ui = repo.ui |
|
294 | self.ui = repo.ui | |
295 | self.records = unbundlerecords() |
|
295 | self.records = unbundlerecords() | |
296 | self.gettransaction = transactiongetter |
|
296 | self.gettransaction = transactiongetter | |
297 | self.reply = None |
|
297 | self.reply = None | |
298 | self.captureoutput = captureoutput |
|
298 | self.captureoutput = captureoutput | |
299 |
|
299 | |||
300 | class TransactionUnavailable(RuntimeError): |
|
300 | class TransactionUnavailable(RuntimeError): | |
301 | pass |
|
301 | pass | |
302 |
|
302 | |||
303 | def _notransaction(): |
|
303 | def _notransaction(): | |
304 | """default method to get a transaction while processing a bundle |
|
304 | """default method to get a transaction while processing a bundle | |
305 |
|
305 | |||
306 | Raise an exception to highlight the fact that no transaction was expected |
|
306 | Raise an exception to highlight the fact that no transaction was expected | |
307 | to be created""" |
|
307 | to be created""" | |
308 | raise TransactionUnavailable() |
|
308 | raise TransactionUnavailable() | |
309 |
|
309 | |||
310 | def applybundle(repo, unbundler, tr, source=None, url=None, op=None): |
|
310 | def applybundle(repo, unbundler, tr, source=None, url=None, op=None): | |
311 | # transform me into unbundler.apply() as soon as the freeze is lifted |
|
311 | # transform me into unbundler.apply() as soon as the freeze is lifted | |
312 | tr.hookargs['bundle2'] = '1' |
|
312 | tr.hookargs['bundle2'] = '1' | |
313 | if source is not None and 'source' not in tr.hookargs: |
|
313 | if source is not None and 'source' not in tr.hookargs: | |
314 | tr.hookargs['source'] = source |
|
314 | tr.hookargs['source'] = source | |
315 | if url is not None and 'url' not in tr.hookargs: |
|
315 | if url is not None and 'url' not in tr.hookargs: | |
316 | tr.hookargs['url'] = url |
|
316 | tr.hookargs['url'] = url | |
317 | return processbundle(repo, unbundler, lambda: tr, op=op) |
|
317 | return processbundle(repo, unbundler, lambda: tr, op=op) | |
318 |
|
318 | |||
319 | def processbundle(repo, unbundler, transactiongetter=None, op=None): |
|
319 | def processbundle(repo, unbundler, transactiongetter=None, op=None): | |
320 | """This function process a bundle, apply effect to/from a repo |
|
320 | """This function process a bundle, apply effect to/from a repo | |
321 |
|
321 | |||
322 | It iterates over each part then searches for and uses the proper handling |
|
322 | It iterates over each part then searches for and uses the proper handling | |
323 | code to process the part. Parts are processed in order. |
|
323 | code to process the part. Parts are processed in order. | |
324 |
|
324 | |||
325 | Unknown Mandatory part will abort the process. |
|
325 | Unknown Mandatory part will abort the process. | |
326 |
|
326 | |||
327 | It is temporarily possible to provide a prebuilt bundleoperation to the |
|
327 | It is temporarily possible to provide a prebuilt bundleoperation to the | |
328 | function. This is used to ensure output is properly propagated in case of |
|
328 | function. This is used to ensure output is properly propagated in case of | |
329 | an error during the unbundling. This output capturing part will likely be |
|
329 | an error during the unbundling. This output capturing part will likely be | |
330 | reworked and this ability will probably go away in the process. |
|
330 | reworked and this ability will probably go away in the process. | |
331 | """ |
|
331 | """ | |
332 | if op is None: |
|
332 | if op is None: | |
333 | if transactiongetter is None: |
|
333 | if transactiongetter is None: | |
334 | transactiongetter = _notransaction |
|
334 | transactiongetter = _notransaction | |
335 | op = bundleoperation(repo, transactiongetter) |
|
335 | op = bundleoperation(repo, transactiongetter) | |
336 | # todo: |
|
336 | # todo: | |
337 | # - replace this is a init function soon. |
|
337 | # - replace this is a init function soon. | |
338 | # - exception catching |
|
338 | # - exception catching | |
339 | unbundler.params |
|
339 | unbundler.params | |
340 | if repo.ui.debugflag: |
|
340 | if repo.ui.debugflag: | |
341 | msg = ['bundle2-input-bundle:'] |
|
341 | msg = ['bundle2-input-bundle:'] | |
342 | if unbundler.params: |
|
342 | if unbundler.params: | |
343 | msg.append(' %i params') |
|
343 | msg.append(' %i params') | |
344 | if op.gettransaction is None: |
|
344 | if op.gettransaction is None: | |
345 | msg.append(' no-transaction') |
|
345 | msg.append(' no-transaction') | |
346 | else: |
|
346 | else: | |
347 | msg.append(' with-transaction') |
|
347 | msg.append(' with-transaction') | |
348 | msg.append('\n') |
|
348 | msg.append('\n') | |
349 | repo.ui.debug(''.join(msg)) |
|
349 | repo.ui.debug(''.join(msg)) | |
350 | iterparts = enumerate(unbundler.iterparts()) |
|
350 | iterparts = enumerate(unbundler.iterparts()) | |
351 | part = None |
|
351 | part = None | |
352 | nbpart = 0 |
|
352 | nbpart = 0 | |
353 | try: |
|
353 | try: | |
354 | for nbpart, part in iterparts: |
|
354 | for nbpart, part in iterparts: | |
355 | _processpart(op, part) |
|
355 | _processpart(op, part) | |
356 | except Exception as exc: |
|
356 | except Exception as exc: | |
357 | # Any exceptions seeking to the end of the bundle at this point are |
|
357 | # Any exceptions seeking to the end of the bundle at this point are | |
358 | # almost certainly related to the underlying stream being bad. |
|
358 | # almost certainly related to the underlying stream being bad. | |
359 | # And, chances are that the exception we're handling is related to |
|
359 | # And, chances are that the exception we're handling is related to | |
360 | # getting in that bad state. So, we swallow the seeking error and |
|
360 | # getting in that bad state. So, we swallow the seeking error and | |
361 | # re-raise the original error. |
|
361 | # re-raise the original error. | |
362 | seekerror = False |
|
362 | seekerror = False | |
363 | try: |
|
363 | try: | |
364 | for nbpart, part in iterparts: |
|
364 | for nbpart, part in iterparts: | |
365 | # consume the bundle content |
|
365 | # consume the bundle content | |
366 | part.seek(0, 2) |
|
366 | part.seek(0, 2) | |
367 | except Exception: |
|
367 | except Exception: | |
368 | seekerror = True |
|
368 | seekerror = True | |
369 |
|
369 | |||
370 | # Small hack to let caller code distinguish exceptions from bundle2 |
|
370 | # Small hack to let caller code distinguish exceptions from bundle2 | |
371 | # processing from processing the old format. This is mostly |
|
371 | # processing from processing the old format. This is mostly | |
372 | # needed to handle different return codes to unbundle according to the |
|
372 | # needed to handle different return codes to unbundle according to the | |
373 | # type of bundle. We should probably clean up or drop this return code |
|
373 | # type of bundle. We should probably clean up or drop this return code | |
374 | # craziness in a future version. |
|
374 | # craziness in a future version. | |
375 | exc.duringunbundle2 = True |
|
375 | exc.duringunbundle2 = True | |
376 | salvaged = [] |
|
376 | salvaged = [] | |
377 | replycaps = None |
|
377 | replycaps = None | |
378 | if op.reply is not None: |
|
378 | if op.reply is not None: | |
379 | salvaged = op.reply.salvageoutput() |
|
379 | salvaged = op.reply.salvageoutput() | |
380 | replycaps = op.reply.capabilities |
|
380 | replycaps = op.reply.capabilities | |
381 | exc._replycaps = replycaps |
|
381 | exc._replycaps = replycaps | |
382 | exc._bundle2salvagedoutput = salvaged |
|
382 | exc._bundle2salvagedoutput = salvaged | |
383 |
|
383 | |||
384 | # Re-raising from a variable loses the original stack. So only use |
|
384 | # Re-raising from a variable loses the original stack. So only use | |
385 | # that form if we need to. |
|
385 | # that form if we need to. | |
386 | if seekerror: |
|
386 | if seekerror: | |
387 | raise exc |
|
387 | raise exc | |
388 | else: |
|
388 | else: | |
389 | raise |
|
389 | raise | |
390 | finally: |
|
390 | finally: | |
391 | repo.ui.debug('bundle2-input-bundle: %i parts total\n' % nbpart) |
|
391 | repo.ui.debug('bundle2-input-bundle: %i parts total\n' % nbpart) | |
392 |
|
392 | |||
393 | return op |
|
393 | return op | |
394 |
|
394 | |||
395 | def _processpart(op, part): |
|
395 | def _processpart(op, part): | |
396 | """process a single part from a bundle |
|
396 | """process a single part from a bundle | |
397 |
|
397 | |||
398 | The part is guaranteed to have been fully consumed when the function exits |
|
398 | The part is guaranteed to have been fully consumed when the function exits | |
399 | (even if an exception is raised).""" |
|
399 | (even if an exception is raised).""" | |
400 | status = 'unknown' # used by debug output |
|
400 | status = 'unknown' # used by debug output | |
401 | hardabort = False |
|
401 | hardabort = False | |
402 | try: |
|
402 | try: | |
403 | try: |
|
403 | try: | |
404 | handler = parthandlermapping.get(part.type) |
|
404 | handler = parthandlermapping.get(part.type) | |
405 | if handler is None: |
|
405 | if handler is None: | |
406 | status = 'unsupported-type' |
|
406 | status = 'unsupported-type' | |
407 | raise error.BundleUnknownFeatureError(parttype=part.type) |
|
407 | raise error.BundleUnknownFeatureError(parttype=part.type) | |
408 | indebug(op.ui, 'found a handler for part %r' % part.type) |
|
408 | indebug(op.ui, 'found a handler for part %r' % part.type) | |
409 | unknownparams = part.mandatorykeys - handler.params |
|
409 | unknownparams = part.mandatorykeys - handler.params | |
410 | if unknownparams: |
|
410 | if unknownparams: | |
411 | unknownparams = list(unknownparams) |
|
411 | unknownparams = list(unknownparams) | |
412 | unknownparams.sort() |
|
412 | unknownparams.sort() | |
413 | status = 'unsupported-params (%s)' % unknownparams |
|
413 | status = 'unsupported-params (%s)' % unknownparams | |
414 | raise error.BundleUnknownFeatureError(parttype=part.type, |
|
414 | raise error.BundleUnknownFeatureError(parttype=part.type, | |
415 | params=unknownparams) |
|
415 | params=unknownparams) | |
416 | status = 'supported' |
|
416 | status = 'supported' | |
417 | except error.BundleUnknownFeatureError as exc: |
|
417 | except error.BundleUnknownFeatureError as exc: | |
418 | if part.mandatory: # mandatory parts |
|
418 | if part.mandatory: # mandatory parts | |
419 | raise |
|
419 | raise | |
420 | indebug(op.ui, 'ignoring unsupported advisory part %s' % exc) |
|
420 | indebug(op.ui, 'ignoring unsupported advisory part %s' % exc) | |
421 | return # skip to part processing |
|
421 | return # skip to part processing | |
422 | finally: |
|
422 | finally: | |
423 | if op.ui.debugflag: |
|
423 | if op.ui.debugflag: | |
424 | msg = ['bundle2-input-part: "%s"' % part.type] |
|
424 | msg = ['bundle2-input-part: "%s"' % part.type] | |
425 | if not part.mandatory: |
|
425 | if not part.mandatory: | |
426 | msg.append(' (advisory)') |
|
426 | msg.append(' (advisory)') | |
427 | nbmp = len(part.mandatorykeys) |
|
427 | nbmp = len(part.mandatorykeys) | |
428 | nbap = len(part.params) - nbmp |
|
428 | nbap = len(part.params) - nbmp | |
429 | if nbmp or nbap: |
|
429 | if nbmp or nbap: | |
430 | msg.append(' (params:') |
|
430 | msg.append(' (params:') | |
431 | if nbmp: |
|
431 | if nbmp: | |
432 | msg.append(' %i mandatory' % nbmp) |
|
432 | msg.append(' %i mandatory' % nbmp) | |
433 | if nbap: |
|
433 | if nbap: | |
434 | msg.append(' %i advisory' % nbmp) |
|
434 | msg.append(' %i advisory' % nbmp) | |
435 | msg.append(')') |
|
435 | msg.append(')') | |
436 | msg.append(' %s\n' % status) |
|
436 | msg.append(' %s\n' % status) | |
437 | op.ui.debug(''.join(msg)) |
|
437 | op.ui.debug(''.join(msg)) | |
438 |
|
438 | |||
439 | # handler is called outside the above try block so that we don't |
|
439 | # handler is called outside the above try block so that we don't | |
440 | # risk catching KeyErrors from anything other than the |
|
440 | # risk catching KeyErrors from anything other than the | |
441 | # parthandlermapping lookup (any KeyError raised by handler() |
|
441 | # parthandlermapping lookup (any KeyError raised by handler() | |
442 | # itself represents a defect of a different variety). |
|
442 | # itself represents a defect of a different variety). | |
443 | output = None |
|
443 | output = None | |
444 | if op.captureoutput and op.reply is not None: |
|
444 | if op.captureoutput and op.reply is not None: | |
445 | op.ui.pushbuffer(error=True, subproc=True) |
|
445 | op.ui.pushbuffer(error=True, subproc=True) | |
446 | output = '' |
|
446 | output = '' | |
447 | try: |
|
447 | try: | |
448 | handler(op, part) |
|
448 | handler(op, part) | |
449 | finally: |
|
449 | finally: | |
450 | if output is not None: |
|
450 | if output is not None: | |
451 | output = op.ui.popbuffer() |
|
451 | output = op.ui.popbuffer() | |
452 | if output: |
|
452 | if output: | |
453 | outpart = op.reply.newpart('output', data=output, |
|
453 | outpart = op.reply.newpart('output', data=output, | |
454 | mandatory=False) |
|
454 | mandatory=False) | |
455 | outpart.addparam('in-reply-to', str(part.id), mandatory=False) |
|
455 | outpart.addparam('in-reply-to', str(part.id), mandatory=False) | |
456 | # If exiting or interrupted, do not attempt to seek the stream in the |
|
456 | # If exiting or interrupted, do not attempt to seek the stream in the | |
457 | # finally block below. This makes abort faster. |
|
457 | # finally block below. This makes abort faster. | |
458 | except (SystemExit, KeyboardInterrupt): |
|
458 | except (SystemExit, KeyboardInterrupt): | |
459 | hardabort = True |
|
459 | hardabort = True | |
460 | raise |
|
460 | raise | |
461 | finally: |
|
461 | finally: | |
462 | # consume the part content to not corrupt the stream. |
|
462 | # consume the part content to not corrupt the stream. | |
463 | if not hardabort: |
|
463 | if not hardabort: | |
464 | part.seek(0, 2) |
|
464 | part.seek(0, 2) | |
465 |
|
465 | |||
466 |
|
466 | |||
467 | def decodecaps(blob): |
|
467 | def decodecaps(blob): | |
468 | """decode a bundle2 caps bytes blob into a dictionary |
|
468 | """decode a bundle2 caps bytes blob into a dictionary | |
469 |
|
469 | |||
470 | The blob is a list of capabilities (one per line) |
|
470 | The blob is a list of capabilities (one per line) | |
471 | Capabilities may have values using a line of the form:: |
|
471 | Capabilities may have values using a line of the form:: | |
472 |
|
472 | |||
473 | capability=value1,value2,value3 |
|
473 | capability=value1,value2,value3 | |
474 |
|
474 | |||
475 | The values are always a list.""" |
|
475 | The values are always a list.""" | |
476 | caps = {} |
|
476 | caps = {} | |
477 | for line in blob.splitlines(): |
|
477 | for line in blob.splitlines(): | |
478 | if not line: |
|
478 | if not line: | |
479 | continue |
|
479 | continue | |
480 | if '=' not in line: |
|
480 | if '=' not in line: | |
481 | key, vals = line, () |
|
481 | key, vals = line, () | |
482 | else: |
|
482 | else: | |
483 | key, vals = line.split('=', 1) |
|
483 | key, vals = line.split('=', 1) | |
484 | vals = vals.split(',') |
|
484 | vals = vals.split(',') | |
485 | key = urlreq.unquote(key) |
|
485 | key = urlreq.unquote(key) | |
486 | vals = [urlreq.unquote(v) for v in vals] |
|
486 | vals = [urlreq.unquote(v) for v in vals] | |
487 | caps[key] = vals |
|
487 | caps[key] = vals | |
488 | return caps |
|
488 | return caps | |
489 |
|
489 | |||
490 | def encodecaps(caps): |
|
490 | def encodecaps(caps): | |
491 | """encode a bundle2 caps dictionary into a bytes blob""" |
|
491 | """encode a bundle2 caps dictionary into a bytes blob""" | |
492 | chunks = [] |
|
492 | chunks = [] | |
493 | for ca in sorted(caps): |
|
493 | for ca in sorted(caps): | |
494 | vals = caps[ca] |
|
494 | vals = caps[ca] | |
495 | ca = urlreq.quote(ca) |
|
495 | ca = urlreq.quote(ca) | |
496 | vals = [urlreq.quote(v) for v in vals] |
|
496 | vals = [urlreq.quote(v) for v in vals] | |
497 | if vals: |
|
497 | if vals: | |
498 | ca = "%s=%s" % (ca, ','.join(vals)) |
|
498 | ca = "%s=%s" % (ca, ','.join(vals)) | |
499 | chunks.append(ca) |
|
499 | chunks.append(ca) | |
500 | return '\n'.join(chunks) |
|
500 | return '\n'.join(chunks) | |
501 |
|
501 | |||
502 | bundletypes = { |
|
502 | bundletypes = { | |
503 | "": ("", 'UN'), # only when using unbundle on ssh and old http servers |
|
503 | "": ("", 'UN'), # only when using unbundle on ssh and old http servers | |
504 | # since the unification ssh accepts a header but there |
|
504 | # since the unification ssh accepts a header but there | |
505 | # is no capability signaling it. |
|
505 | # is no capability signaling it. | |
506 | "HG20": (), # special-cased below |
|
506 | "HG20": (), # special-cased below | |
507 | "HG10UN": ("HG10UN", 'UN'), |
|
507 | "HG10UN": ("HG10UN", 'UN'), | |
508 | "HG10BZ": ("HG10", 'BZ'), |
|
508 | "HG10BZ": ("HG10", 'BZ'), | |
509 | "HG10GZ": ("HG10GZ", 'GZ'), |
|
509 | "HG10GZ": ("HG10GZ", 'GZ'), | |
510 | } |
|
510 | } | |
511 |
|
511 | |||
512 | # hgweb uses this list to communicate its preferred type |
|
512 | # hgweb uses this list to communicate its preferred type | |
513 | bundlepriority = ['HG10GZ', 'HG10BZ', 'HG10UN'] |
|
513 | bundlepriority = ['HG10GZ', 'HG10BZ', 'HG10UN'] | |
514 |
|
514 | |||
515 | class bundle20(object): |
|
515 | class bundle20(object): | |
516 | """represent an outgoing bundle2 container |
|
516 | """represent an outgoing bundle2 container | |
517 |
|
517 | |||
518 | Use the `addparam` method to add stream level parameter. and `newpart` to |
|
518 | Use the `addparam` method to add stream level parameter. and `newpart` to | |
519 | populate it. Then call `getchunks` to retrieve all the binary chunks of |
|
519 | populate it. Then call `getchunks` to retrieve all the binary chunks of | |
520 | data that compose the bundle2 container.""" |
|
520 | data that compose the bundle2 container.""" | |
521 |
|
521 | |||
522 | _magicstring = 'HG20' |
|
522 | _magicstring = 'HG20' | |
523 |
|
523 | |||
524 | def __init__(self, ui, capabilities=()): |
|
524 | def __init__(self, ui, capabilities=()): | |
525 | self.ui = ui |
|
525 | self.ui = ui | |
526 | self._params = [] |
|
526 | self._params = [] | |
527 | self._parts = [] |
|
527 | self._parts = [] | |
528 | self.capabilities = dict(capabilities) |
|
528 | self.capabilities = dict(capabilities) | |
529 | self._compengine = util.compengines.forbundletype('UN') |
|
529 | self._compengine = util.compengines.forbundletype('UN') | |
530 | self._compopts = None |
|
530 | self._compopts = None | |
531 |
|
531 | |||
532 | def setcompression(self, alg, compopts=None): |
|
532 | def setcompression(self, alg, compopts=None): | |
533 | """setup core part compression to <alg>""" |
|
533 | """setup core part compression to <alg>""" | |
534 | if alg in (None, 'UN'): |
|
534 | if alg in (None, 'UN'): | |
535 | return |
|
535 | return | |
536 | assert not any(n.lower() == 'compression' for n, v in self._params) |
|
536 | assert not any(n.lower() == 'compression' for n, v in self._params) | |
537 | self.addparam('Compression', alg) |
|
537 | self.addparam('Compression', alg) | |
538 | self._compengine = util.compengines.forbundletype(alg) |
|
538 | self._compengine = util.compengines.forbundletype(alg) | |
539 | self._compopts = compopts |
|
539 | self._compopts = compopts | |
540 |
|
540 | |||
541 | @property |
|
541 | @property | |
542 | def nbparts(self): |
|
542 | def nbparts(self): | |
543 | """total number of parts added to the bundler""" |
|
543 | """total number of parts added to the bundler""" | |
544 | return len(self._parts) |
|
544 | return len(self._parts) | |
545 |
|
545 | |||
546 | # methods used to defines the bundle2 content |
|
546 | # methods used to defines the bundle2 content | |
547 | def addparam(self, name, value=None): |
|
547 | def addparam(self, name, value=None): | |
548 | """add a stream level parameter""" |
|
548 | """add a stream level parameter""" | |
549 | if not name: |
|
549 | if not name: | |
550 | raise ValueError('empty parameter name') |
|
550 | raise ValueError('empty parameter name') | |
551 | if name[0] not in string.letters: |
|
551 | if name[0] not in string.letters: | |
552 | raise ValueError('non letter first character: %r' % name) |
|
552 | raise ValueError('non letter first character: %r' % name) | |
553 | self._params.append((name, value)) |
|
553 | self._params.append((name, value)) | |
554 |
|
554 | |||
555 | def addpart(self, part): |
|
555 | def addpart(self, part): | |
556 | """add a new part to the bundle2 container |
|
556 | """add a new part to the bundle2 container | |
557 |
|
557 | |||
558 | Parts contains the actual applicative payload.""" |
|
558 | Parts contains the actual applicative payload.""" | |
559 | assert part.id is None |
|
559 | assert part.id is None | |
560 | part.id = len(self._parts) # very cheap counter |
|
560 | part.id = len(self._parts) # very cheap counter | |
561 | self._parts.append(part) |
|
561 | self._parts.append(part) | |
562 |
|
562 | |||
563 | def newpart(self, typeid, *args, **kwargs): |
|
563 | def newpart(self, typeid, *args, **kwargs): | |
564 | """create a new part and add it to the containers |
|
564 | """create a new part and add it to the containers | |
565 |
|
565 | |||
566 | As the part is directly added to the containers. For now, this means |
|
566 | As the part is directly added to the containers. For now, this means | |
567 | that any failure to properly initialize the part after calling |
|
567 | that any failure to properly initialize the part after calling | |
568 | ``newpart`` should result in a failure of the whole bundling process. |
|
568 | ``newpart`` should result in a failure of the whole bundling process. | |
569 |
|
569 | |||
570 | You can still fall back to manually create and add if you need better |
|
570 | You can still fall back to manually create and add if you need better | |
571 | control.""" |
|
571 | control.""" | |
572 | part = bundlepart(typeid, *args, **kwargs) |
|
572 | part = bundlepart(typeid, *args, **kwargs) | |
573 | self.addpart(part) |
|
573 | self.addpart(part) | |
574 | return part |
|
574 | return part | |
575 |
|
575 | |||
576 | # methods used to generate the bundle2 stream |
|
576 | # methods used to generate the bundle2 stream | |
577 | def getchunks(self): |
|
577 | def getchunks(self): | |
578 | if self.ui.debugflag: |
|
578 | if self.ui.debugflag: | |
579 | msg = ['bundle2-output-bundle: "%s",' % self._magicstring] |
|
579 | msg = ['bundle2-output-bundle: "%s",' % self._magicstring] | |
580 | if self._params: |
|
580 | if self._params: | |
581 | msg.append(' (%i params)' % len(self._params)) |
|
581 | msg.append(' (%i params)' % len(self._params)) | |
582 | msg.append(' %i parts total\n' % len(self._parts)) |
|
582 | msg.append(' %i parts total\n' % len(self._parts)) | |
583 | self.ui.debug(''.join(msg)) |
|
583 | self.ui.debug(''.join(msg)) | |
584 | outdebug(self.ui, 'start emission of %s stream' % self._magicstring) |
|
584 | outdebug(self.ui, 'start emission of %s stream' % self._magicstring) | |
585 | yield self._magicstring |
|
585 | yield self._magicstring | |
586 | param = self._paramchunk() |
|
586 | param = self._paramchunk() | |
587 | outdebug(self.ui, 'bundle parameter: %s' % param) |
|
587 | outdebug(self.ui, 'bundle parameter: %s' % param) | |
588 | yield _pack(_fstreamparamsize, len(param)) |
|
588 | yield _pack(_fstreamparamsize, len(param)) | |
589 | if param: |
|
589 | if param: | |
590 | yield param |
|
590 | yield param | |
591 | for chunk in self._compengine.compressstream(self._getcorechunk(), |
|
591 | for chunk in self._compengine.compressstream(self._getcorechunk(), | |
592 | self._compopts): |
|
592 | self._compopts): | |
593 | yield chunk |
|
593 | yield chunk | |
594 |
|
594 | |||
595 | def _paramchunk(self): |
|
595 | def _paramchunk(self): | |
596 | """return a encoded version of all stream parameters""" |
|
596 | """return a encoded version of all stream parameters""" | |
597 | blocks = [] |
|
597 | blocks = [] | |
598 | for par, value in self._params: |
|
598 | for par, value in self._params: | |
599 | par = urlreq.quote(par) |
|
599 | par = urlreq.quote(par) | |
600 | if value is not None: |
|
600 | if value is not None: | |
601 | value = urlreq.quote(value) |
|
601 | value = urlreq.quote(value) | |
602 | par = '%s=%s' % (par, value) |
|
602 | par = '%s=%s' % (par, value) | |
603 | blocks.append(par) |
|
603 | blocks.append(par) | |
604 | return ' '.join(blocks) |
|
604 | return ' '.join(blocks) | |
605 |
|
605 | |||
606 | def _getcorechunk(self): |
|
606 | def _getcorechunk(self): | |
607 | """yield chunk for the core part of the bundle |
|
607 | """yield chunk for the core part of the bundle | |
608 |
|
608 | |||
609 | (all but headers and parameters)""" |
|
609 | (all but headers and parameters)""" | |
610 | outdebug(self.ui, 'start of parts') |
|
610 | outdebug(self.ui, 'start of parts') | |
611 | for part in self._parts: |
|
611 | for part in self._parts: | |
612 | outdebug(self.ui, 'bundle part: "%s"' % part.type) |
|
612 | outdebug(self.ui, 'bundle part: "%s"' % part.type) | |
613 | for chunk in part.getchunks(ui=self.ui): |
|
613 | for chunk in part.getchunks(ui=self.ui): | |
614 | yield chunk |
|
614 | yield chunk | |
615 | outdebug(self.ui, 'end of bundle') |
|
615 | outdebug(self.ui, 'end of bundle') | |
616 | yield _pack(_fpartheadersize, 0) |
|
616 | yield _pack(_fpartheadersize, 0) | |
617 |
|
617 | |||
618 |
|
618 | |||
619 | def salvageoutput(self): |
|
619 | def salvageoutput(self): | |
620 | """return a list with a copy of all output parts in the bundle |
|
620 | """return a list with a copy of all output parts in the bundle | |
621 |
|
621 | |||
622 | This is meant to be used during error handling to make sure we preserve |
|
622 | This is meant to be used during error handling to make sure we preserve | |
623 | server output""" |
|
623 | server output""" | |
624 | salvaged = [] |
|
624 | salvaged = [] | |
625 | for part in self._parts: |
|
625 | for part in self._parts: | |
626 | if part.type.startswith('output'): |
|
626 | if part.type.startswith('output'): | |
627 | salvaged.append(part.copy()) |
|
627 | salvaged.append(part.copy()) | |
628 | return salvaged |
|
628 | return salvaged | |
629 |
|
629 | |||
630 |
|
630 | |||
631 | class unpackermixin(object): |
|
631 | class unpackermixin(object): | |
632 | """A mixin to extract bytes and struct data from a stream""" |
|
632 | """A mixin to extract bytes and struct data from a stream""" | |
633 |
|
633 | |||
634 | def __init__(self, fp): |
|
634 | def __init__(self, fp): | |
635 | self._fp = fp |
|
635 | self._fp = fp | |
636 |
|
636 | |||
637 | def _unpack(self, format): |
|
637 | def _unpack(self, format): | |
638 | """unpack this struct format from the stream |
|
638 | """unpack this struct format from the stream | |
639 |
|
639 | |||
640 | This method is meant for internal usage by the bundle2 protocol only. |
|
640 | This method is meant for internal usage by the bundle2 protocol only. | |
641 | They directly manipulate the low level stream including bundle2 level |
|
641 | They directly manipulate the low level stream including bundle2 level | |
642 | instruction. |
|
642 | instruction. | |
643 |
|
643 | |||
644 | Do not use it to implement higher-level logic or methods.""" |
|
644 | Do not use it to implement higher-level logic or methods.""" | |
645 | data = self._readexact(struct.calcsize(format)) |
|
645 | data = self._readexact(struct.calcsize(format)) | |
646 | return _unpack(format, data) |
|
646 | return _unpack(format, data) | |
647 |
|
647 | |||
648 | def _readexact(self, size): |
|
648 | def _readexact(self, size): | |
649 | """read exactly <size> bytes from the stream |
|
649 | """read exactly <size> bytes from the stream | |
650 |
|
650 | |||
651 | This method is meant for internal usage by the bundle2 protocol only. |
|
651 | This method is meant for internal usage by the bundle2 protocol only. | |
652 | They directly manipulate the low level stream including bundle2 level |
|
652 | They directly manipulate the low level stream including bundle2 level | |
653 | instruction. |
|
653 | instruction. | |
654 |
|
654 | |||
655 | Do not use it to implement higher-level logic or methods.""" |
|
655 | Do not use it to implement higher-level logic or methods.""" | |
656 | return changegroup.readexactly(self._fp, size) |
|
656 | return changegroup.readexactly(self._fp, size) | |
657 |
|
657 | |||
658 | def getunbundler(ui, fp, magicstring=None): |
|
658 | def getunbundler(ui, fp, magicstring=None): | |
659 | """return a valid unbundler object for a given magicstring""" |
|
659 | """return a valid unbundler object for a given magicstring""" | |
660 | if magicstring is None: |
|
660 | if magicstring is None: | |
661 | magicstring = changegroup.readexactly(fp, 4) |
|
661 | magicstring = changegroup.readexactly(fp, 4) | |
662 | magic, version = magicstring[0:2], magicstring[2:4] |
|
662 | magic, version = magicstring[0:2], magicstring[2:4] | |
663 | if magic != 'HG': |
|
663 | if magic != 'HG': | |
664 | raise error.Abort(_('not a Mercurial bundle')) |
|
664 | raise error.Abort(_('not a Mercurial bundle')) | |
665 | unbundlerclass = formatmap.get(version) |
|
665 | unbundlerclass = formatmap.get(version) | |
666 | if unbundlerclass is None: |
|
666 | if unbundlerclass is None: | |
667 | raise error.Abort(_('unknown bundle version %s') % version) |
|
667 | raise error.Abort(_('unknown bundle version %s') % version) | |
668 | unbundler = unbundlerclass(ui, fp) |
|
668 | unbundler = unbundlerclass(ui, fp) | |
669 | indebug(ui, 'start processing of %s stream' % magicstring) |
|
669 | indebug(ui, 'start processing of %s stream' % magicstring) | |
670 | return unbundler |
|
670 | return unbundler | |
671 |
|
671 | |||
672 | class unbundle20(unpackermixin): |
|
672 | class unbundle20(unpackermixin): | |
673 | """interpret a bundle2 stream |
|
673 | """interpret a bundle2 stream | |
674 |
|
674 | |||
675 | This class is fed with a binary stream and yields parts through its |
|
675 | This class is fed with a binary stream and yields parts through its | |
676 | `iterparts` methods.""" |
|
676 | `iterparts` methods.""" | |
677 |
|
677 | |||
678 | _magicstring = 'HG20' |
|
678 | _magicstring = 'HG20' | |
679 |
|
679 | |||
680 | def __init__(self, ui, fp): |
|
680 | def __init__(self, ui, fp): | |
681 | """If header is specified, we do not read it out of the stream.""" |
|
681 | """If header is specified, we do not read it out of the stream.""" | |
682 | self.ui = ui |
|
682 | self.ui = ui | |
683 | self._compengine = util.compengines.forbundletype('UN') |
|
683 | self._compengine = util.compengines.forbundletype('UN') | |
684 | self._compressed = None |
|
684 | self._compressed = None | |
685 | super(unbundle20, self).__init__(fp) |
|
685 | super(unbundle20, self).__init__(fp) | |
686 |
|
686 | |||
687 | @util.propertycache |
|
687 | @util.propertycache | |
688 | def params(self): |
|
688 | def params(self): | |
689 | """dictionary of stream level parameters""" |
|
689 | """dictionary of stream level parameters""" | |
690 | indebug(self.ui, 'reading bundle2 stream parameters') |
|
690 | indebug(self.ui, 'reading bundle2 stream parameters') | |
691 | params = {} |
|
691 | params = {} | |
692 | paramssize = self._unpack(_fstreamparamsize)[0] |
|
692 | paramssize = self._unpack(_fstreamparamsize)[0] | |
693 | if paramssize < 0: |
|
693 | if paramssize < 0: | |
694 | raise error.BundleValueError('negative bundle param size: %i' |
|
694 | raise error.BundleValueError('negative bundle param size: %i' | |
695 | % paramssize) |
|
695 | % paramssize) | |
696 | if paramssize: |
|
696 | if paramssize: | |
697 | params = self._readexact(paramssize) |
|
697 | params = self._readexact(paramssize) | |
698 | params = self._processallparams(params) |
|
698 | params = self._processallparams(params) | |
699 | return params |
|
699 | return params | |
700 |
|
700 | |||
701 | def _processallparams(self, paramsblock): |
|
701 | def _processallparams(self, paramsblock): | |
702 | """""" |
|
702 | """""" | |
703 | params = util.sortdict() |
|
703 | params = util.sortdict() | |
704 | for p in paramsblock.split(' '): |
|
704 | for p in paramsblock.split(' '): | |
705 | p = p.split('=', 1) |
|
705 | p = p.split('=', 1) | |
706 | p = [urlreq.unquote(i) for i in p] |
|
706 | p = [urlreq.unquote(i) for i in p] | |
707 | if len(p) < 2: |
|
707 | if len(p) < 2: | |
708 | p.append(None) |
|
708 | p.append(None) | |
709 | self._processparam(*p) |
|
709 | self._processparam(*p) | |
710 | params[p[0]] = p[1] |
|
710 | params[p[0]] = p[1] | |
711 | return params |
|
711 | return params | |
712 |
|
712 | |||
713 |
|
713 | |||
714 | def _processparam(self, name, value): |
|
714 | def _processparam(self, name, value): | |
715 | """process a parameter, applying its effect if needed |
|
715 | """process a parameter, applying its effect if needed | |
716 |
|
716 | |||
717 | Parameter starting with a lower case letter are advisory and will be |
|
717 | Parameter starting with a lower case letter are advisory and will be | |
718 | ignored when unknown. Those starting with an upper case letter are |
|
718 | ignored when unknown. Those starting with an upper case letter are | |
719 | mandatory and will this function will raise a KeyError when unknown. |
|
719 | mandatory and will this function will raise a KeyError when unknown. | |
720 |
|
720 | |||
721 | Note: no option are currently supported. Any input will be either |
|
721 | Note: no option are currently supported. Any input will be either | |
722 | ignored or failing. |
|
722 | ignored or failing. | |
723 | """ |
|
723 | """ | |
724 | if not name: |
|
724 | if not name: | |
725 | raise ValueError('empty parameter name') |
|
725 | raise ValueError('empty parameter name') | |
726 | if name[0] not in string.letters: |
|
726 | if name[0] not in string.letters: | |
727 | raise ValueError('non letter first character: %r' % name) |
|
727 | raise ValueError('non letter first character: %r' % name) | |
728 | try: |
|
728 | try: | |
729 | handler = b2streamparamsmap[name.lower()] |
|
729 | handler = b2streamparamsmap[name.lower()] | |
730 | except KeyError: |
|
730 | except KeyError: | |
731 | if name[0].islower(): |
|
731 | if name[0].islower(): | |
732 | indebug(self.ui, "ignoring unknown parameter %r" % name) |
|
732 | indebug(self.ui, "ignoring unknown parameter %r" % name) | |
733 | else: |
|
733 | else: | |
734 | raise error.BundleUnknownFeatureError(params=(name,)) |
|
734 | raise error.BundleUnknownFeatureError(params=(name,)) | |
735 | else: |
|
735 | else: | |
736 | handler(self, name, value) |
|
736 | handler(self, name, value) | |
737 |
|
737 | |||
738 | def _forwardchunks(self): |
|
738 | def _forwardchunks(self): | |
739 | """utility to transfer a bundle2 as binary |
|
739 | """utility to transfer a bundle2 as binary | |
740 |
|
740 | |||
741 | This is made necessary by the fact the 'getbundle' command over 'ssh' |
|
741 | This is made necessary by the fact the 'getbundle' command over 'ssh' | |
742 | have no way to know then the reply end, relying on the bundle to be |
|
742 | have no way to know then the reply end, relying on the bundle to be | |
743 | interpreted to know its end. This is terrible and we are sorry, but we |
|
743 | interpreted to know its end. This is terrible and we are sorry, but we | |
744 | needed to move forward to get general delta enabled. |
|
744 | needed to move forward to get general delta enabled. | |
745 | """ |
|
745 | """ | |
746 | yield self._magicstring |
|
746 | yield self._magicstring | |
747 | assert 'params' not in vars(self) |
|
747 | assert 'params' not in vars(self) | |
748 | paramssize = self._unpack(_fstreamparamsize)[0] |
|
748 | paramssize = self._unpack(_fstreamparamsize)[0] | |
749 | if paramssize < 0: |
|
749 | if paramssize < 0: | |
750 | raise error.BundleValueError('negative bundle param size: %i' |
|
750 | raise error.BundleValueError('negative bundle param size: %i' | |
751 | % paramssize) |
|
751 | % paramssize) | |
752 | yield _pack(_fstreamparamsize, paramssize) |
|
752 | yield _pack(_fstreamparamsize, paramssize) | |
753 | if paramssize: |
|
753 | if paramssize: | |
754 | params = self._readexact(paramssize) |
|
754 | params = self._readexact(paramssize) | |
755 | self._processallparams(params) |
|
755 | self._processallparams(params) | |
756 | yield params |
|
756 | yield params | |
757 | assert self._compengine.bundletype == 'UN' |
|
757 | assert self._compengine.bundletype == 'UN' | |
758 | # From there, payload might need to be decompressed |
|
758 | # From there, payload might need to be decompressed | |
759 | self._fp = self._compengine.decompressorreader(self._fp) |
|
759 | self._fp = self._compengine.decompressorreader(self._fp) | |
760 | emptycount = 0 |
|
760 | emptycount = 0 | |
761 | while emptycount < 2: |
|
761 | while emptycount < 2: | |
762 | # so we can brainlessly loop |
|
762 | # so we can brainlessly loop | |
763 | assert _fpartheadersize == _fpayloadsize |
|
763 | assert _fpartheadersize == _fpayloadsize | |
764 | size = self._unpack(_fpartheadersize)[0] |
|
764 | size = self._unpack(_fpartheadersize)[0] | |
765 | yield _pack(_fpartheadersize, size) |
|
765 | yield _pack(_fpartheadersize, size) | |
766 | if size: |
|
766 | if size: | |
767 | emptycount = 0 |
|
767 | emptycount = 0 | |
768 | else: |
|
768 | else: | |
769 | emptycount += 1 |
|
769 | emptycount += 1 | |
770 | continue |
|
770 | continue | |
771 | if size == flaginterrupt: |
|
771 | if size == flaginterrupt: | |
772 | continue |
|
772 | continue | |
773 | elif size < 0: |
|
773 | elif size < 0: | |
774 | raise error.BundleValueError('negative chunk size: %i') |
|
774 | raise error.BundleValueError('negative chunk size: %i') | |
775 | yield self._readexact(size) |
|
775 | yield self._readexact(size) | |
776 |
|
776 | |||
777 |
|
777 | |||
778 | def iterparts(self): |
|
778 | def iterparts(self): | |
779 | """yield all parts contained in the stream""" |
|
779 | """yield all parts contained in the stream""" | |
780 | # make sure param have been loaded |
|
780 | # make sure param have been loaded | |
781 | self.params |
|
781 | self.params | |
782 | # From there, payload need to be decompressed |
|
782 | # From there, payload need to be decompressed | |
783 | self._fp = self._compengine.decompressorreader(self._fp) |
|
783 | self._fp = self._compengine.decompressorreader(self._fp) | |
784 | indebug(self.ui, 'start extraction of bundle2 parts') |
|
784 | indebug(self.ui, 'start extraction of bundle2 parts') | |
785 | headerblock = self._readpartheader() |
|
785 | headerblock = self._readpartheader() | |
786 | while headerblock is not None: |
|
786 | while headerblock is not None: | |
787 | part = unbundlepart(self.ui, headerblock, self._fp) |
|
787 | part = unbundlepart(self.ui, headerblock, self._fp) | |
788 | yield part |
|
788 | yield part | |
789 | part.seek(0, 2) |
|
789 | part.seek(0, 2) | |
790 | headerblock = self._readpartheader() |
|
790 | headerblock = self._readpartheader() | |
791 | indebug(self.ui, 'end of bundle2 stream') |
|
791 | indebug(self.ui, 'end of bundle2 stream') | |
792 |
|
792 | |||
793 | def _readpartheader(self): |
|
793 | def _readpartheader(self): | |
794 | """reads a part header size and return the bytes blob |
|
794 | """reads a part header size and return the bytes blob | |
795 |
|
795 | |||
796 | returns None if empty""" |
|
796 | returns None if empty""" | |
797 | headersize = self._unpack(_fpartheadersize)[0] |
|
797 | headersize = self._unpack(_fpartheadersize)[0] | |
798 | if headersize < 0: |
|
798 | if headersize < 0: | |
799 | raise error.BundleValueError('negative part header size: %i' |
|
799 | raise error.BundleValueError('negative part header size: %i' | |
800 | % headersize) |
|
800 | % headersize) | |
801 | indebug(self.ui, 'part header size: %i' % headersize) |
|
801 | indebug(self.ui, 'part header size: %i' % headersize) | |
802 | if headersize: |
|
802 | if headersize: | |
803 | return self._readexact(headersize) |
|
803 | return self._readexact(headersize) | |
804 | return None |
|
804 | return None | |
805 |
|
805 | |||
806 | def compressed(self): |
|
806 | def compressed(self): | |
807 | self.params # load params |
|
807 | self.params # load params | |
808 | return self._compressed |
|
808 | return self._compressed | |
809 |
|
809 | |||
810 | def close(self): |
|
810 | def close(self): | |
811 | """close underlying file""" |
|
811 | """close underlying file""" | |
812 | if util.safehasattr(self._fp, 'close'): |
|
812 | if util.safehasattr(self._fp, 'close'): | |
813 | return self._fp.close() |
|
813 | return self._fp.close() | |
814 |
|
814 | |||
815 | formatmap = {'20': unbundle20} |
|
815 | formatmap = {'20': unbundle20} | |
816 |
|
816 | |||
817 | b2streamparamsmap = {} |
|
817 | b2streamparamsmap = {} | |
818 |
|
818 | |||
819 | def b2streamparamhandler(name): |
|
819 | def b2streamparamhandler(name): | |
820 | """register a handler for a stream level parameter""" |
|
820 | """register a handler for a stream level parameter""" | |
821 | def decorator(func): |
|
821 | def decorator(func): | |
822 | assert name not in formatmap |
|
822 | assert name not in formatmap | |
823 | b2streamparamsmap[name] = func |
|
823 | b2streamparamsmap[name] = func | |
824 | return func |
|
824 | return func | |
825 | return decorator |
|
825 | return decorator | |
826 |
|
826 | |||
827 | @b2streamparamhandler('compression') |
|
827 | @b2streamparamhandler('compression') | |
828 | def processcompression(unbundler, param, value): |
|
828 | def processcompression(unbundler, param, value): | |
829 | """read compression parameter and install payload decompression""" |
|
829 | """read compression parameter and install payload decompression""" | |
830 | if value not in util.compengines.supportedbundletypes: |
|
830 | if value not in util.compengines.supportedbundletypes: | |
831 | raise error.BundleUnknownFeatureError(params=(param,), |
|
831 | raise error.BundleUnknownFeatureError(params=(param,), | |
832 | values=(value,)) |
|
832 | values=(value,)) | |
833 | unbundler._compengine = util.compengines.forbundletype(value) |
|
833 | unbundler._compengine = util.compengines.forbundletype(value) | |
834 | if value is not None: |
|
834 | if value is not None: | |
835 | unbundler._compressed = True |
|
835 | unbundler._compressed = True | |
836 |
|
836 | |||
837 | class bundlepart(object): |
|
837 | class bundlepart(object): | |
838 | """A bundle2 part contains application level payload |
|
838 | """A bundle2 part contains application level payload | |
839 |
|
839 | |||
840 | The part `type` is used to route the part to the application level |
|
840 | The part `type` is used to route the part to the application level | |
841 | handler. |
|
841 | handler. | |
842 |
|
842 | |||
843 | The part payload is contained in ``part.data``. It could be raw bytes or a |
|
843 | The part payload is contained in ``part.data``. It could be raw bytes or a | |
844 | generator of byte chunks. |
|
844 | generator of byte chunks. | |
845 |
|
845 | |||
846 | You can add parameters to the part using the ``addparam`` method. |
|
846 | You can add parameters to the part using the ``addparam`` method. | |
847 | Parameters can be either mandatory (default) or advisory. Remote side |
|
847 | Parameters can be either mandatory (default) or advisory. Remote side | |
848 | should be able to safely ignore the advisory ones. |
|
848 | should be able to safely ignore the advisory ones. | |
849 |
|
849 | |||
850 | Both data and parameters cannot be modified after the generation has begun. |
|
850 | Both data and parameters cannot be modified after the generation has begun. | |
851 | """ |
|
851 | """ | |
852 |
|
852 | |||
853 | def __init__(self, parttype, mandatoryparams=(), advisoryparams=(), |
|
853 | def __init__(self, parttype, mandatoryparams=(), advisoryparams=(), | |
854 | data='', mandatory=True): |
|
854 | data='', mandatory=True): | |
855 | validateparttype(parttype) |
|
855 | validateparttype(parttype) | |
856 | self.id = None |
|
856 | self.id = None | |
857 | self.type = parttype |
|
857 | self.type = parttype | |
858 | self._data = data |
|
858 | self._data = data | |
859 | self._mandatoryparams = list(mandatoryparams) |
|
859 | self._mandatoryparams = list(mandatoryparams) | |
860 | self._advisoryparams = list(advisoryparams) |
|
860 | self._advisoryparams = list(advisoryparams) | |
861 | # checking for duplicated entries |
|
861 | # checking for duplicated entries | |
862 | self._seenparams = set() |
|
862 | self._seenparams = set() | |
863 | for pname, __ in self._mandatoryparams + self._advisoryparams: |
|
863 | for pname, __ in self._mandatoryparams + self._advisoryparams: | |
864 | if pname in self._seenparams: |
|
864 | if pname in self._seenparams: | |
865 | raise error.ProgrammingError('duplicated params: %s' % pname) |
|
865 | raise error.ProgrammingError('duplicated params: %s' % pname) | |
866 | self._seenparams.add(pname) |
|
866 | self._seenparams.add(pname) | |
867 | # status of the part's generation: |
|
867 | # status of the part's generation: | |
868 | # - None: not started, |
|
868 | # - None: not started, | |
869 | # - False: currently generated, |
|
869 | # - False: currently generated, | |
870 | # - True: generation done. |
|
870 | # - True: generation done. | |
871 | self._generated = None |
|
871 | self._generated = None | |
872 | self.mandatory = mandatory |
|
872 | self.mandatory = mandatory | |
873 |
|
873 | |||
874 | def __repr__(self): |
|
874 | def __repr__(self): | |
875 | cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) |
|
875 | cls = "%s.%s" % (self.__class__.__module__, self.__class__.__name__) | |
876 | return ('<%s object at %x; id: %s; type: %s; mandatory: %s>' |
|
876 | return ('<%s object at %x; id: %s; type: %s; mandatory: %s>' | |
877 | % (cls, id(self), self.id, self.type, self.mandatory)) |
|
877 | % (cls, id(self), self.id, self.type, self.mandatory)) | |
878 |
|
878 | |||
879 | def copy(self): |
|
879 | def copy(self): | |
880 | """return a copy of the part |
|
880 | """return a copy of the part | |
881 |
|
881 | |||
882 | The new part have the very same content but no partid assigned yet. |
|
882 | The new part have the very same content but no partid assigned yet. | |
883 | Parts with generated data cannot be copied.""" |
|
883 | Parts with generated data cannot be copied.""" | |
884 | assert not util.safehasattr(self.data, 'next') |
|
884 | assert not util.safehasattr(self.data, 'next') | |
885 | return self.__class__(self.type, self._mandatoryparams, |
|
885 | return self.__class__(self.type, self._mandatoryparams, | |
886 | self._advisoryparams, self._data, self.mandatory) |
|
886 | self._advisoryparams, self._data, self.mandatory) | |
887 |
|
887 | |||
888 | # methods used to defines the part content |
|
888 | # methods used to defines the part content | |
889 | @property |
|
889 | @property | |
890 | def data(self): |
|
890 | def data(self): | |
891 | return self._data |
|
891 | return self._data | |
892 |
|
892 | |||
893 | @data.setter |
|
893 | @data.setter | |
894 | def data(self, data): |
|
894 | def data(self, data): | |
895 | if self._generated is not None: |
|
895 | if self._generated is not None: | |
896 | raise error.ReadOnlyPartError('part is being generated') |
|
896 | raise error.ReadOnlyPartError('part is being generated') | |
897 | self._data = data |
|
897 | self._data = data | |
898 |
|
898 | |||
899 | @property |
|
899 | @property | |
900 | def mandatoryparams(self): |
|
900 | def mandatoryparams(self): | |
901 | # make it an immutable tuple to force people through ``addparam`` |
|
901 | # make it an immutable tuple to force people through ``addparam`` | |
902 | return tuple(self._mandatoryparams) |
|
902 | return tuple(self._mandatoryparams) | |
903 |
|
903 | |||
904 | @property |
|
904 | @property | |
905 | def advisoryparams(self): |
|
905 | def advisoryparams(self): | |
906 | # make it an immutable tuple to force people through ``addparam`` |
|
906 | # make it an immutable tuple to force people through ``addparam`` | |
907 | return tuple(self._advisoryparams) |
|
907 | return tuple(self._advisoryparams) | |
908 |
|
908 | |||
909 | def addparam(self, name, value='', mandatory=True): |
|
909 | def addparam(self, name, value='', mandatory=True): | |
910 | """add a parameter to the part |
|
910 | """add a parameter to the part | |
911 |
|
911 | |||
912 | If 'mandatory' is set to True, the remote handler must claim support |
|
912 | If 'mandatory' is set to True, the remote handler must claim support | |
913 | for this parameter or the unbundling will be aborted. |
|
913 | for this parameter or the unbundling will be aborted. | |
914 |
|
914 | |||
915 | The 'name' and 'value' cannot exceed 255 bytes each. |
|
915 | The 'name' and 'value' cannot exceed 255 bytes each. | |
916 | """ |
|
916 | """ | |
917 | if self._generated is not None: |
|
917 | if self._generated is not None: | |
918 | raise error.ReadOnlyPartError('part is being generated') |
|
918 | raise error.ReadOnlyPartError('part is being generated') | |
919 | if name in self._seenparams: |
|
919 | if name in self._seenparams: | |
920 | raise ValueError('duplicated params: %s' % name) |
|
920 | raise ValueError('duplicated params: %s' % name) | |
921 | self._seenparams.add(name) |
|
921 | self._seenparams.add(name) | |
922 | params = self._advisoryparams |
|
922 | params = self._advisoryparams | |
923 | if mandatory: |
|
923 | if mandatory: | |
924 | params = self._mandatoryparams |
|
924 | params = self._mandatoryparams | |
925 | params.append((name, value)) |
|
925 | params.append((name, value)) | |
926 |
|
926 | |||
927 | # methods used to generates the bundle2 stream |
|
927 | # methods used to generates the bundle2 stream | |
928 | def getchunks(self, ui): |
|
928 | def getchunks(self, ui): | |
929 | if self._generated is not None: |
|
929 | if self._generated is not None: | |
930 | raise error.ProgrammingError('part can only be consumed once') |
|
930 | raise error.ProgrammingError('part can only be consumed once') | |
931 | self._generated = False |
|
931 | self._generated = False | |
932 |
|
932 | |||
933 | if ui.debugflag: |
|
933 | if ui.debugflag: | |
934 | msg = ['bundle2-output-part: "%s"' % self.type] |
|
934 | msg = ['bundle2-output-part: "%s"' % self.type] | |
935 | if not self.mandatory: |
|
935 | if not self.mandatory: | |
936 | msg.append(' (advisory)') |
|
936 | msg.append(' (advisory)') | |
937 | nbmp = len(self.mandatoryparams) |
|
937 | nbmp = len(self.mandatoryparams) | |
938 | nbap = len(self.advisoryparams) |
|
938 | nbap = len(self.advisoryparams) | |
939 | if nbmp or nbap: |
|
939 | if nbmp or nbap: | |
940 | msg.append(' (params:') |
|
940 | msg.append(' (params:') | |
941 | if nbmp: |
|
941 | if nbmp: | |
942 | msg.append(' %i mandatory' % nbmp) |
|
942 | msg.append(' %i mandatory' % nbmp) | |
943 | if nbap: |
|
943 | if nbap: | |
944 | msg.append(' %i advisory' % nbmp) |
|
944 | msg.append(' %i advisory' % nbmp) | |
945 | msg.append(')') |
|
945 | msg.append(')') | |
946 | if not self.data: |
|
946 | if not self.data: | |
947 | msg.append(' empty payload') |
|
947 | msg.append(' empty payload') | |
948 | elif util.safehasattr(self.data, 'next'): |
|
948 | elif util.safehasattr(self.data, 'next'): | |
949 | msg.append(' streamed payload') |
|
949 | msg.append(' streamed payload') | |
950 | else: |
|
950 | else: | |
951 | msg.append(' %i bytes payload' % len(self.data)) |
|
951 | msg.append(' %i bytes payload' % len(self.data)) | |
952 | msg.append('\n') |
|
952 | msg.append('\n') | |
953 | ui.debug(''.join(msg)) |
|
953 | ui.debug(''.join(msg)) | |
954 |
|
954 | |||
955 | #### header |
|
955 | #### header | |
956 | if self.mandatory: |
|
956 | if self.mandatory: | |
957 | parttype = self.type.upper() |
|
957 | parttype = self.type.upper() | |
958 | else: |
|
958 | else: | |
959 | parttype = self.type.lower() |
|
959 | parttype = self.type.lower() | |
960 | outdebug(ui, 'part %s: "%s"' % (self.id, parttype)) |
|
960 | outdebug(ui, 'part %s: "%s"' % (self.id, parttype)) | |
961 | ## parttype |
|
961 | ## parttype | |
962 | header = [_pack(_fparttypesize, len(parttype)), |
|
962 | header = [_pack(_fparttypesize, len(parttype)), | |
963 | parttype, _pack(_fpartid, self.id), |
|
963 | parttype, _pack(_fpartid, self.id), | |
964 | ] |
|
964 | ] | |
965 | ## parameters |
|
965 | ## parameters | |
966 | # count |
|
966 | # count | |
967 | manpar = self.mandatoryparams |
|
967 | manpar = self.mandatoryparams | |
968 | advpar = self.advisoryparams |
|
968 | advpar = self.advisoryparams | |
969 | header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) |
|
969 | header.append(_pack(_fpartparamcount, len(manpar), len(advpar))) | |
970 | # size |
|
970 | # size | |
971 | parsizes = [] |
|
971 | parsizes = [] | |
972 | for key, value in manpar: |
|
972 | for key, value in manpar: | |
973 | parsizes.append(len(key)) |
|
973 | parsizes.append(len(key)) | |
974 | parsizes.append(len(value)) |
|
974 | parsizes.append(len(value)) | |
975 | for key, value in advpar: |
|
975 | for key, value in advpar: | |
976 | parsizes.append(len(key)) |
|
976 | parsizes.append(len(key)) | |
977 | parsizes.append(len(value)) |
|
977 | parsizes.append(len(value)) | |
978 | paramsizes = _pack(_makefpartparamsizes(len(parsizes) / 2), *parsizes) |
|
978 | paramsizes = _pack(_makefpartparamsizes(len(parsizes) / 2), *parsizes) | |
979 | header.append(paramsizes) |
|
979 | header.append(paramsizes) | |
980 | # key, value |
|
980 | # key, value | |
981 | for key, value in manpar: |
|
981 | for key, value in manpar: | |
982 | header.append(key) |
|
982 | header.append(key) | |
983 | header.append(value) |
|
983 | header.append(value) | |
984 | for key, value in advpar: |
|
984 | for key, value in advpar: | |
985 | header.append(key) |
|
985 | header.append(key) | |
986 | header.append(value) |
|
986 | header.append(value) | |
987 | ## finalize header |
|
987 | ## finalize header | |
988 | headerchunk = ''.join(header) |
|
988 | headerchunk = ''.join(header) | |
989 | outdebug(ui, 'header chunk size: %i' % len(headerchunk)) |
|
989 | outdebug(ui, 'header chunk size: %i' % len(headerchunk)) | |
990 | yield _pack(_fpartheadersize, len(headerchunk)) |
|
990 | yield _pack(_fpartheadersize, len(headerchunk)) | |
991 | yield headerchunk |
|
991 | yield headerchunk | |
992 | ## payload |
|
992 | ## payload | |
993 | try: |
|
993 | try: | |
994 | for chunk in self._payloadchunks(): |
|
994 | for chunk in self._payloadchunks(): | |
995 | outdebug(ui, 'payload chunk size: %i' % len(chunk)) |
|
995 | outdebug(ui, 'payload chunk size: %i' % len(chunk)) | |
996 | yield _pack(_fpayloadsize, len(chunk)) |
|
996 | yield _pack(_fpayloadsize, len(chunk)) | |
997 | yield chunk |
|
997 | yield chunk | |
998 | except GeneratorExit: |
|
998 | except GeneratorExit: | |
999 | # GeneratorExit means that nobody is listening for our |
|
999 | # GeneratorExit means that nobody is listening for our | |
1000 | # results anyway, so just bail quickly rather than trying |
|
1000 | # results anyway, so just bail quickly rather than trying | |
1001 | # to produce an error part. |
|
1001 | # to produce an error part. | |
1002 | ui.debug('bundle2-generatorexit\n') |
|
1002 | ui.debug('bundle2-generatorexit\n') | |
1003 | raise |
|
1003 | raise | |
1004 | except BaseException as exc: |
|
1004 | except BaseException as exc: | |
1005 | # backup exception data for later |
|
1005 | # backup exception data for later | |
1006 | ui.debug('bundle2-input-stream-interrupt: encoding exception %s' |
|
1006 | ui.debug('bundle2-input-stream-interrupt: encoding exception %s' | |
1007 | % exc) |
|
1007 | % exc) | |
1008 | exc_info = sys.exc_info() |
|
1008 | exc_info = sys.exc_info() | |
1009 | msg = 'unexpected error: %s' % exc |
|
1009 | msg = 'unexpected error: %s' % exc | |
1010 | interpart = bundlepart('error:abort', [('message', msg)], |
|
1010 | interpart = bundlepart('error:abort', [('message', msg)], | |
1011 | mandatory=False) |
|
1011 | mandatory=False) | |
1012 | interpart.id = 0 |
|
1012 | interpart.id = 0 | |
1013 | yield _pack(_fpayloadsize, -1) |
|
1013 | yield _pack(_fpayloadsize, -1) | |
1014 | for chunk in interpart.getchunks(ui=ui): |
|
1014 | for chunk in interpart.getchunks(ui=ui): | |
1015 | yield chunk |
|
1015 | yield chunk | |
1016 | outdebug(ui, 'closing payload chunk') |
|
1016 | outdebug(ui, 'closing payload chunk') | |
1017 | # abort current part payload |
|
1017 | # abort current part payload | |
1018 | yield _pack(_fpayloadsize, 0) |
|
1018 | yield _pack(_fpayloadsize, 0) | |
1019 | if pycompat.ispy3: |
|
1019 | if pycompat.ispy3: | |
1020 | raise exc_info[0](exc_info[1]).with_traceback(exc_info[2]) |
|
1020 | raise exc_info[0](exc_info[1]).with_traceback(exc_info[2]) | |
1021 | else: |
|
1021 | else: | |
1022 | exec("""raise exc_info[0], exc_info[1], exc_info[2]""") |
|
1022 | exec("""raise exc_info[0], exc_info[1], exc_info[2]""") | |
1023 | # end of payload |
|
1023 | # end of payload | |
1024 | outdebug(ui, 'closing payload chunk') |
|
1024 | outdebug(ui, 'closing payload chunk') | |
1025 | yield _pack(_fpayloadsize, 0) |
|
1025 | yield _pack(_fpayloadsize, 0) | |
1026 | self._generated = True |
|
1026 | self._generated = True | |
1027 |
|
1027 | |||
1028 | def _payloadchunks(self): |
|
1028 | def _payloadchunks(self): | |
1029 | """yield chunks of a the part payload |
|
1029 | """yield chunks of a the part payload | |
1030 |
|
1030 | |||
1031 | Exists to handle the different methods to provide data to a part.""" |
|
1031 | Exists to handle the different methods to provide data to a part.""" | |
1032 | # we only support fixed size data now. |
|
1032 | # we only support fixed size data now. | |
1033 | # This will be improved in the future. |
|
1033 | # This will be improved in the future. | |
1034 | if util.safehasattr(self.data, 'next'): |
|
1034 | if util.safehasattr(self.data, 'next'): | |
1035 | buff = util.chunkbuffer(self.data) |
|
1035 | buff = util.chunkbuffer(self.data) | |
1036 | chunk = buff.read(preferedchunksize) |
|
1036 | chunk = buff.read(preferedchunksize) | |
1037 | while chunk: |
|
1037 | while chunk: | |
1038 | yield chunk |
|
1038 | yield chunk | |
1039 | chunk = buff.read(preferedchunksize) |
|
1039 | chunk = buff.read(preferedchunksize) | |
1040 | elif len(self.data): |
|
1040 | elif len(self.data): | |
1041 | yield self.data |
|
1041 | yield self.data | |
1042 |
|
1042 | |||
1043 |
|
1043 | |||
1044 | flaginterrupt = -1 |
|
1044 | flaginterrupt = -1 | |
1045 |
|
1045 | |||
1046 | class interrupthandler(unpackermixin): |
|
1046 | class interrupthandler(unpackermixin): | |
1047 | """read one part and process it with restricted capability |
|
1047 | """read one part and process it with restricted capability | |
1048 |
|
1048 | |||
1049 | This allows to transmit exception raised on the producer size during part |
|
1049 | This allows to transmit exception raised on the producer size during part | |
1050 | iteration while the consumer is reading a part. |
|
1050 | iteration while the consumer is reading a part. | |
1051 |
|
1051 | |||
1052 | Part processed in this manner only have access to a ui object,""" |
|
1052 | Part processed in this manner only have access to a ui object,""" | |
1053 |
|
1053 | |||
1054 | def __init__(self, ui, fp): |
|
1054 | def __init__(self, ui, fp): | |
1055 | super(interrupthandler, self).__init__(fp) |
|
1055 | super(interrupthandler, self).__init__(fp) | |
1056 | self.ui = ui |
|
1056 | self.ui = ui | |
1057 |
|
1057 | |||
1058 | def _readpartheader(self): |
|
1058 | def _readpartheader(self): | |
1059 | """reads a part header size and return the bytes blob |
|
1059 | """reads a part header size and return the bytes blob | |
1060 |
|
1060 | |||
1061 | returns None if empty""" |
|
1061 | returns None if empty""" | |
1062 | headersize = self._unpack(_fpartheadersize)[0] |
|
1062 | headersize = self._unpack(_fpartheadersize)[0] | |
1063 | if headersize < 0: |
|
1063 | if headersize < 0: | |
1064 | raise error.BundleValueError('negative part header size: %i' |
|
1064 | raise error.BundleValueError('negative part header size: %i' | |
1065 | % headersize) |
|
1065 | % headersize) | |
1066 | indebug(self.ui, 'part header size: %i\n' % headersize) |
|
1066 | indebug(self.ui, 'part header size: %i\n' % headersize) | |
1067 | if headersize: |
|
1067 | if headersize: | |
1068 | return self._readexact(headersize) |
|
1068 | return self._readexact(headersize) | |
1069 | return None |
|
1069 | return None | |
1070 |
|
1070 | |||
1071 | def __call__(self): |
|
1071 | def __call__(self): | |
1072 |
|
1072 | |||
1073 | self.ui.debug('bundle2-input-stream-interrupt:' |
|
1073 | self.ui.debug('bundle2-input-stream-interrupt:' | |
1074 | ' opening out of band context\n') |
|
1074 | ' opening out of band context\n') | |
1075 | indebug(self.ui, 'bundle2 stream interruption, looking for a part.') |
|
1075 | indebug(self.ui, 'bundle2 stream interruption, looking for a part.') | |
1076 | headerblock = self._readpartheader() |
|
1076 | headerblock = self._readpartheader() | |
1077 | if headerblock is None: |
|
1077 | if headerblock is None: | |
1078 | indebug(self.ui, 'no part found during interruption.') |
|
1078 | indebug(self.ui, 'no part found during interruption.') | |
1079 | return |
|
1079 | return | |
1080 | part = unbundlepart(self.ui, headerblock, self._fp) |
|
1080 | part = unbundlepart(self.ui, headerblock, self._fp) | |
1081 | op = interruptoperation(self.ui) |
|
1081 | op = interruptoperation(self.ui) | |
1082 | _processpart(op, part) |
|
1082 | _processpart(op, part) | |
1083 | self.ui.debug('bundle2-input-stream-interrupt:' |
|
1083 | self.ui.debug('bundle2-input-stream-interrupt:' | |
1084 | ' closing out of band context\n') |
|
1084 | ' closing out of band context\n') | |
1085 |
|
1085 | |||
1086 | class interruptoperation(object): |
|
1086 | class interruptoperation(object): | |
1087 | """A limited operation to be use by part handler during interruption |
|
1087 | """A limited operation to be use by part handler during interruption | |
1088 |
|
1088 | |||
1089 | It only have access to an ui object. |
|
1089 | It only have access to an ui object. | |
1090 | """ |
|
1090 | """ | |
1091 |
|
1091 | |||
1092 | def __init__(self, ui): |
|
1092 | def __init__(self, ui): | |
1093 | self.ui = ui |
|
1093 | self.ui = ui | |
1094 | self.reply = None |
|
1094 | self.reply = None | |
1095 | self.captureoutput = False |
|
1095 | self.captureoutput = False | |
1096 |
|
1096 | |||
1097 | @property |
|
1097 | @property | |
1098 | def repo(self): |
|
1098 | def repo(self): | |
1099 | raise error.ProgrammingError('no repo access from stream interruption') |
|
1099 | raise error.ProgrammingError('no repo access from stream interruption') | |
1100 |
|
1100 | |||
1101 | def gettransaction(self): |
|
1101 | def gettransaction(self): | |
1102 | raise TransactionUnavailable('no repo access from stream interruption') |
|
1102 | raise TransactionUnavailable('no repo access from stream interruption') | |
1103 |
|
1103 | |||
1104 | class unbundlepart(unpackermixin): |
|
1104 | class unbundlepart(unpackermixin): | |
1105 | """a bundle part read from a bundle""" |
|
1105 | """a bundle part read from a bundle""" | |
1106 |
|
1106 | |||
1107 | def __init__(self, ui, header, fp): |
|
1107 | def __init__(self, ui, header, fp): | |
1108 | super(unbundlepart, self).__init__(fp) |
|
1108 | super(unbundlepart, self).__init__(fp) | |
1109 | self._seekable = (util.safehasattr(fp, 'seek') and |
|
1109 | self._seekable = (util.safehasattr(fp, 'seek') and | |
1110 | util.safehasattr(fp, 'tell')) |
|
1110 | util.safehasattr(fp, 'tell')) | |
1111 | self.ui = ui |
|
1111 | self.ui = ui | |
1112 | # unbundle state attr |
|
1112 | # unbundle state attr | |
1113 | self._headerdata = header |
|
1113 | self._headerdata = header | |
1114 | self._headeroffset = 0 |
|
1114 | self._headeroffset = 0 | |
1115 | self._initialized = False |
|
1115 | self._initialized = False | |
1116 | self.consumed = False |
|
1116 | self.consumed = False | |
1117 | # part data |
|
1117 | # part data | |
1118 | self.id = None |
|
1118 | self.id = None | |
1119 | self.type = None |
|
1119 | self.type = None | |
1120 | self.mandatoryparams = None |
|
1120 | self.mandatoryparams = None | |
1121 | self.advisoryparams = None |
|
1121 | self.advisoryparams = None | |
1122 | self.params = None |
|
1122 | self.params = None | |
1123 | self.mandatorykeys = () |
|
1123 | self.mandatorykeys = () | |
1124 | self._payloadstream = None |
|
1124 | self._payloadstream = None | |
1125 | self._readheader() |
|
1125 | self._readheader() | |
1126 | self._mandatory = None |
|
1126 | self._mandatory = None | |
1127 | self._chunkindex = [] #(payload, file) position tuples for chunk starts |
|
1127 | self._chunkindex = [] #(payload, file) position tuples for chunk starts | |
1128 | self._pos = 0 |
|
1128 | self._pos = 0 | |
1129 |
|
1129 | |||
1130 | def _fromheader(self, size): |
|
1130 | def _fromheader(self, size): | |
1131 | """return the next <size> byte from the header""" |
|
1131 | """return the next <size> byte from the header""" | |
1132 | offset = self._headeroffset |
|
1132 | offset = self._headeroffset | |
1133 | data = self._headerdata[offset:(offset + size)] |
|
1133 | data = self._headerdata[offset:(offset + size)] | |
1134 | self._headeroffset = offset + size |
|
1134 | self._headeroffset = offset + size | |
1135 | return data |
|
1135 | return data | |
1136 |
|
1136 | |||
1137 | def _unpackheader(self, format): |
|
1137 | def _unpackheader(self, format): | |
1138 | """read given format from header |
|
1138 | """read given format from header | |
1139 |
|
1139 | |||
1140 | This automatically compute the size of the format to read.""" |
|
1140 | This automatically compute the size of the format to read.""" | |
1141 | data = self._fromheader(struct.calcsize(format)) |
|
1141 | data = self._fromheader(struct.calcsize(format)) | |
1142 | return _unpack(format, data) |
|
1142 | return _unpack(format, data) | |
1143 |
|
1143 | |||
1144 | def _initparams(self, mandatoryparams, advisoryparams): |
|
1144 | def _initparams(self, mandatoryparams, advisoryparams): | |
1145 | """internal function to setup all logic related parameters""" |
|
1145 | """internal function to setup all logic related parameters""" | |
1146 | # make it read only to prevent people touching it by mistake. |
|
1146 | # make it read only to prevent people touching it by mistake. | |
1147 | self.mandatoryparams = tuple(mandatoryparams) |
|
1147 | self.mandatoryparams = tuple(mandatoryparams) | |
1148 | self.advisoryparams = tuple(advisoryparams) |
|
1148 | self.advisoryparams = tuple(advisoryparams) | |
1149 | # user friendly UI |
|
1149 | # user friendly UI | |
1150 | self.params = util.sortdict(self.mandatoryparams) |
|
1150 | self.params = util.sortdict(self.mandatoryparams) | |
1151 | self.params.update(self.advisoryparams) |
|
1151 | self.params.update(self.advisoryparams) | |
1152 | self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) |
|
1152 | self.mandatorykeys = frozenset(p[0] for p in mandatoryparams) | |
1153 |
|
1153 | |||
1154 | def _payloadchunks(self, chunknum=0): |
|
1154 | def _payloadchunks(self, chunknum=0): | |
1155 | '''seek to specified chunk and start yielding data''' |
|
1155 | '''seek to specified chunk and start yielding data''' | |
1156 | if len(self._chunkindex) == 0: |
|
1156 | if len(self._chunkindex) == 0: | |
1157 | assert chunknum == 0, 'Must start with chunk 0' |
|
1157 | assert chunknum == 0, 'Must start with chunk 0' | |
1158 | self._chunkindex.append((0, self._tellfp())) |
|
1158 | self._chunkindex.append((0, self._tellfp())) | |
1159 | else: |
|
1159 | else: | |
1160 | assert chunknum < len(self._chunkindex), \ |
|
1160 | assert chunknum < len(self._chunkindex), \ | |
1161 | 'Unknown chunk %d' % chunknum |
|
1161 | 'Unknown chunk %d' % chunknum | |
1162 | self._seekfp(self._chunkindex[chunknum][1]) |
|
1162 | self._seekfp(self._chunkindex[chunknum][1]) | |
1163 |
|
1163 | |||
1164 | pos = self._chunkindex[chunknum][0] |
|
1164 | pos = self._chunkindex[chunknum][0] | |
1165 | payloadsize = self._unpack(_fpayloadsize)[0] |
|
1165 | payloadsize = self._unpack(_fpayloadsize)[0] | |
1166 | indebug(self.ui, 'payload chunk size: %i' % payloadsize) |
|
1166 | indebug(self.ui, 'payload chunk size: %i' % payloadsize) | |
1167 | while payloadsize: |
|
1167 | while payloadsize: | |
1168 | if payloadsize == flaginterrupt: |
|
1168 | if payloadsize == flaginterrupt: | |
1169 | # interruption detection, the handler will now read a |
|
1169 | # interruption detection, the handler will now read a | |
1170 | # single part and process it. |
|
1170 | # single part and process it. | |
1171 | interrupthandler(self.ui, self._fp)() |
|
1171 | interrupthandler(self.ui, self._fp)() | |
1172 | elif payloadsize < 0: |
|
1172 | elif payloadsize < 0: | |
1173 | msg = 'negative payload chunk size: %i' % payloadsize |
|
1173 | msg = 'negative payload chunk size: %i' % payloadsize | |
1174 | raise error.BundleValueError(msg) |
|
1174 | raise error.BundleValueError(msg) | |
1175 | else: |
|
1175 | else: | |
1176 | result = self._readexact(payloadsize) |
|
1176 | result = self._readexact(payloadsize) | |
1177 | chunknum += 1 |
|
1177 | chunknum += 1 | |
1178 | pos += payloadsize |
|
1178 | pos += payloadsize | |
1179 | if chunknum == len(self._chunkindex): |
|
1179 | if chunknum == len(self._chunkindex): | |
1180 | self._chunkindex.append((pos, self._tellfp())) |
|
1180 | self._chunkindex.append((pos, self._tellfp())) | |
1181 | yield result |
|
1181 | yield result | |
1182 | payloadsize = self._unpack(_fpayloadsize)[0] |
|
1182 | payloadsize = self._unpack(_fpayloadsize)[0] | |
1183 | indebug(self.ui, 'payload chunk size: %i' % payloadsize) |
|
1183 | indebug(self.ui, 'payload chunk size: %i' % payloadsize) | |
1184 |
|
1184 | |||
1185 | def _findchunk(self, pos): |
|
1185 | def _findchunk(self, pos): | |
1186 | '''for a given payload position, return a chunk number and offset''' |
|
1186 | '''for a given payload position, return a chunk number and offset''' | |
1187 | for chunk, (ppos, fpos) in enumerate(self._chunkindex): |
|
1187 | for chunk, (ppos, fpos) in enumerate(self._chunkindex): | |
1188 | if ppos == pos: |
|
1188 | if ppos == pos: | |
1189 | return chunk, 0 |
|
1189 | return chunk, 0 | |
1190 | elif ppos > pos: |
|
1190 | elif ppos > pos: | |
1191 | return chunk - 1, pos - self._chunkindex[chunk - 1][0] |
|
1191 | return chunk - 1, pos - self._chunkindex[chunk - 1][0] | |
1192 | raise ValueError('Unknown chunk') |
|
1192 | raise ValueError('Unknown chunk') | |
1193 |
|
1193 | |||
1194 | def _readheader(self): |
|
1194 | def _readheader(self): | |
1195 | """read the header and setup the object""" |
|
1195 | """read the header and setup the object""" | |
1196 | typesize = self._unpackheader(_fparttypesize)[0] |
|
1196 | typesize = self._unpackheader(_fparttypesize)[0] | |
1197 | self.type = self._fromheader(typesize) |
|
1197 | self.type = self._fromheader(typesize) | |
1198 | indebug(self.ui, 'part type: "%s"' % self.type) |
|
1198 | indebug(self.ui, 'part type: "%s"' % self.type) | |
1199 | self.id = self._unpackheader(_fpartid)[0] |
|
1199 | self.id = self._unpackheader(_fpartid)[0] | |
1200 | indebug(self.ui, 'part id: "%s"' % self.id) |
|
1200 | indebug(self.ui, 'part id: "%s"' % self.id) | |
1201 | # extract mandatory bit from type |
|
1201 | # extract mandatory bit from type | |
1202 | self.mandatory = (self.type != self.type.lower()) |
|
1202 | self.mandatory = (self.type != self.type.lower()) | |
1203 | self.type = self.type.lower() |
|
1203 | self.type = self.type.lower() | |
1204 | ## reading parameters |
|
1204 | ## reading parameters | |
1205 | # param count |
|
1205 | # param count | |
1206 | mancount, advcount = self._unpackheader(_fpartparamcount) |
|
1206 | mancount, advcount = self._unpackheader(_fpartparamcount) | |
1207 | indebug(self.ui, 'part parameters: %i' % (mancount + advcount)) |
|
1207 | indebug(self.ui, 'part parameters: %i' % (mancount + advcount)) | |
1208 | # param size |
|
1208 | # param size | |
1209 | fparamsizes = _makefpartparamsizes(mancount + advcount) |
|
1209 | fparamsizes = _makefpartparamsizes(mancount + advcount) | |
1210 | paramsizes = self._unpackheader(fparamsizes) |
|
1210 | paramsizes = self._unpackheader(fparamsizes) | |
1211 | # make it a list of couple again |
|
1211 | # make it a list of couple again | |
1212 | paramsizes = zip(paramsizes[::2], paramsizes[1::2]) |
|
1212 | paramsizes = zip(paramsizes[::2], paramsizes[1::2]) | |
1213 | # split mandatory from advisory |
|
1213 | # split mandatory from advisory | |
1214 | mansizes = paramsizes[:mancount] |
|
1214 | mansizes = paramsizes[:mancount] | |
1215 | advsizes = paramsizes[mancount:] |
|
1215 | advsizes = paramsizes[mancount:] | |
1216 | # retrieve param value |
|
1216 | # retrieve param value | |
1217 | manparams = [] |
|
1217 | manparams = [] | |
1218 | for key, value in mansizes: |
|
1218 | for key, value in mansizes: | |
1219 | manparams.append((self._fromheader(key), self._fromheader(value))) |
|
1219 | manparams.append((self._fromheader(key), self._fromheader(value))) | |
1220 | advparams = [] |
|
1220 | advparams = [] | |
1221 | for key, value in advsizes: |
|
1221 | for key, value in advsizes: | |
1222 | advparams.append((self._fromheader(key), self._fromheader(value))) |
|
1222 | advparams.append((self._fromheader(key), self._fromheader(value))) | |
1223 | self._initparams(manparams, advparams) |
|
1223 | self._initparams(manparams, advparams) | |
1224 | ## part payload |
|
1224 | ## part payload | |
1225 | self._payloadstream = util.chunkbuffer(self._payloadchunks()) |
|
1225 | self._payloadstream = util.chunkbuffer(self._payloadchunks()) | |
1226 | # we read the data, tell it |
|
1226 | # we read the data, tell it | |
1227 | self._initialized = True |
|
1227 | self._initialized = True | |
1228 |
|
1228 | |||
1229 | def read(self, size=None): |
|
1229 | def read(self, size=None): | |
1230 | """read payload data""" |
|
1230 | """read payload data""" | |
1231 | if not self._initialized: |
|
1231 | if not self._initialized: | |
1232 | self._readheader() |
|
1232 | self._readheader() | |
1233 | if size is None: |
|
1233 | if size is None: | |
1234 | data = self._payloadstream.read() |
|
1234 | data = self._payloadstream.read() | |
1235 | else: |
|
1235 | else: | |
1236 | data = self._payloadstream.read(size) |
|
1236 | data = self._payloadstream.read(size) | |
1237 | self._pos += len(data) |
|
1237 | self._pos += len(data) | |
1238 | if size is None or len(data) < size: |
|
1238 | if size is None or len(data) < size: | |
1239 | if not self.consumed and self._pos: |
|
1239 | if not self.consumed and self._pos: | |
1240 | self.ui.debug('bundle2-input-part: total payload size %i\n' |
|
1240 | self.ui.debug('bundle2-input-part: total payload size %i\n' | |
1241 | % self._pos) |
|
1241 | % self._pos) | |
1242 | self.consumed = True |
|
1242 | self.consumed = True | |
1243 | return data |
|
1243 | return data | |
1244 |
|
1244 | |||
1245 | def tell(self): |
|
1245 | def tell(self): | |
1246 | return self._pos |
|
1246 | return self._pos | |
1247 |
|
1247 | |||
1248 | def seek(self, offset, whence=0): |
|
1248 | def seek(self, offset, whence=0): | |
1249 | if whence == 0: |
|
1249 | if whence == 0: | |
1250 | newpos = offset |
|
1250 | newpos = offset | |
1251 | elif whence == 1: |
|
1251 | elif whence == 1: | |
1252 | newpos = self._pos + offset |
|
1252 | newpos = self._pos + offset | |
1253 | elif whence == 2: |
|
1253 | elif whence == 2: | |
1254 | if not self.consumed: |
|
1254 | if not self.consumed: | |
1255 | self.read() |
|
1255 | self.read() | |
1256 | newpos = self._chunkindex[-1][0] - offset |
|
1256 | newpos = self._chunkindex[-1][0] - offset | |
1257 | else: |
|
1257 | else: | |
1258 | raise ValueError('Unknown whence value: %r' % (whence,)) |
|
1258 | raise ValueError('Unknown whence value: %r' % (whence,)) | |
1259 |
|
1259 | |||
1260 | if newpos > self._chunkindex[-1][0] and not self.consumed: |
|
1260 | if newpos > self._chunkindex[-1][0] and not self.consumed: | |
1261 | self.read() |
|
1261 | self.read() | |
1262 | if not 0 <= newpos <= self._chunkindex[-1][0]: |
|
1262 | if not 0 <= newpos <= self._chunkindex[-1][0]: | |
1263 | raise ValueError('Offset out of range') |
|
1263 | raise ValueError('Offset out of range') | |
1264 |
|
1264 | |||
1265 | if self._pos != newpos: |
|
1265 | if self._pos != newpos: | |
1266 | chunk, internaloffset = self._findchunk(newpos) |
|
1266 | chunk, internaloffset = self._findchunk(newpos) | |
1267 | self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) |
|
1267 | self._payloadstream = util.chunkbuffer(self._payloadchunks(chunk)) | |
1268 | adjust = self.read(internaloffset) |
|
1268 | adjust = self.read(internaloffset) | |
1269 | if len(adjust) != internaloffset: |
|
1269 | if len(adjust) != internaloffset: | |
1270 | raise error.Abort(_('Seek failed\n')) |
|
1270 | raise error.Abort(_('Seek failed\n')) | |
1271 | self._pos = newpos |
|
1271 | self._pos = newpos | |
1272 |
|
1272 | |||
1273 | def _seekfp(self, offset, whence=0): |
|
1273 | def _seekfp(self, offset, whence=0): | |
1274 | """move the underlying file pointer |
|
1274 | """move the underlying file pointer | |
1275 |
|
1275 | |||
1276 | This method is meant for internal usage by the bundle2 protocol only. |
|
1276 | This method is meant for internal usage by the bundle2 protocol only. | |
1277 | They directly manipulate the low level stream including bundle2 level |
|
1277 | They directly manipulate the low level stream including bundle2 level | |
1278 | instruction. |
|
1278 | instruction. | |
1279 |
|
1279 | |||
1280 | Do not use it to implement higher-level logic or methods.""" |
|
1280 | Do not use it to implement higher-level logic or methods.""" | |
1281 | if self._seekable: |
|
1281 | if self._seekable: | |
1282 | return self._fp.seek(offset, whence) |
|
1282 | return self._fp.seek(offset, whence) | |
1283 | else: |
|
1283 | else: | |
1284 | raise NotImplementedError(_('File pointer is not seekable')) |
|
1284 | raise NotImplementedError(_('File pointer is not seekable')) | |
1285 |
|
1285 | |||
1286 | def _tellfp(self): |
|
1286 | def _tellfp(self): | |
1287 | """return the file offset, or None if file is not seekable |
|
1287 | """return the file offset, or None if file is not seekable | |
1288 |
|
1288 | |||
1289 | This method is meant for internal usage by the bundle2 protocol only. |
|
1289 | This method is meant for internal usage by the bundle2 protocol only. | |
1290 | They directly manipulate the low level stream including bundle2 level |
|
1290 | They directly manipulate the low level stream including bundle2 level | |
1291 | instruction. |
|
1291 | instruction. | |
1292 |
|
1292 | |||
1293 | Do not use it to implement higher-level logic or methods.""" |
|
1293 | Do not use it to implement higher-level logic or methods.""" | |
1294 | if self._seekable: |
|
1294 | if self._seekable: | |
1295 | try: |
|
1295 | try: | |
1296 | return self._fp.tell() |
|
1296 | return self._fp.tell() | |
1297 | except IOError as e: |
|
1297 | except IOError as e: | |
1298 | if e.errno == errno.ESPIPE: |
|
1298 | if e.errno == errno.ESPIPE: | |
1299 | self._seekable = False |
|
1299 | self._seekable = False | |
1300 | else: |
|
1300 | else: | |
1301 | raise |
|
1301 | raise | |
1302 | return None |
|
1302 | return None | |
1303 |
|
1303 | |||
1304 | # These are only the static capabilities. |
|
1304 | # These are only the static capabilities. | |
1305 | # Check the 'getrepocaps' function for the rest. |
|
1305 | # Check the 'getrepocaps' function for the rest. | |
1306 | capabilities = {'HG20': (), |
|
1306 | capabilities = {'HG20': (), | |
1307 | 'error': ('abort', 'unsupportedcontent', 'pushraced', |
|
1307 | 'error': ('abort', 'unsupportedcontent', 'pushraced', | |
1308 | 'pushkey'), |
|
1308 | 'pushkey'), | |
1309 | 'listkeys': (), |
|
1309 | 'listkeys': (), | |
1310 | 'pushkey': (), |
|
1310 | 'pushkey': (), | |
1311 | 'digests': tuple(sorted(util.DIGESTS.keys())), |
|
1311 | 'digests': tuple(sorted(util.DIGESTS.keys())), | |
1312 | 'remote-changegroup': ('http', 'https'), |
|
1312 | 'remote-changegroup': ('http', 'https'), | |
1313 | 'hgtagsfnodes': (), |
|
1313 | 'hgtagsfnodes': (), | |
1314 | } |
|
1314 | } | |
1315 |
|
1315 | |||
1316 | def getrepocaps(repo, allowpushback=False): |
|
1316 | def getrepocaps(repo, allowpushback=False): | |
1317 | """return the bundle2 capabilities for a given repo |
|
1317 | """return the bundle2 capabilities for a given repo | |
1318 |
|
1318 | |||
1319 | Exists to allow extensions (like evolution) to mutate the capabilities. |
|
1319 | Exists to allow extensions (like evolution) to mutate the capabilities. | |
1320 | """ |
|
1320 | """ | |
1321 | caps = capabilities.copy() |
|
1321 | caps = capabilities.copy() | |
1322 | caps['changegroup'] = tuple(sorted( |
|
1322 | caps['changegroup'] = tuple(sorted( | |
1323 | changegroup.supportedincomingversions(repo))) |
|
1323 | changegroup.supportedincomingversions(repo))) | |
1324 | if obsolete.isenabled(repo, obsolete.exchangeopt): |
|
1324 | if obsolete.isenabled(repo, obsolete.exchangeopt): | |
1325 | supportedformat = tuple('V%i' % v for v in obsolete.formats) |
|
1325 | supportedformat = tuple('V%i' % v for v in obsolete.formats) | |
1326 | caps['obsmarkers'] = supportedformat |
|
1326 | caps['obsmarkers'] = supportedformat | |
1327 | if allowpushback: |
|
1327 | if allowpushback: | |
1328 | caps['pushback'] = () |
|
1328 | caps['pushback'] = () | |
1329 | return caps |
|
1329 | return caps | |
1330 |
|
1330 | |||
1331 | def bundle2caps(remote): |
|
1331 | def bundle2caps(remote): | |
1332 | """return the bundle capabilities of a peer as dict""" |
|
1332 | """return the bundle capabilities of a peer as dict""" | |
1333 | raw = remote.capable('bundle2') |
|
1333 | raw = remote.capable('bundle2') | |
1334 | if not raw and raw != '': |
|
1334 | if not raw and raw != '': | |
1335 | return {} |
|
1335 | return {} | |
1336 | capsblob = urlreq.unquote(remote.capable('bundle2')) |
|
1336 | capsblob = urlreq.unquote(remote.capable('bundle2')) | |
1337 | return decodecaps(capsblob) |
|
1337 | return decodecaps(capsblob) | |
1338 |
|
1338 | |||
1339 | def obsmarkersversion(caps): |
|
1339 | def obsmarkersversion(caps): | |
1340 | """extract the list of supported obsmarkers versions from a bundle2caps dict |
|
1340 | """extract the list of supported obsmarkers versions from a bundle2caps dict | |
1341 | """ |
|
1341 | """ | |
1342 | obscaps = caps.get('obsmarkers', ()) |
|
1342 | obscaps = caps.get('obsmarkers', ()) | |
1343 | return [int(c[1:]) for c in obscaps if c.startswith('V')] |
|
1343 | return [int(c[1:]) for c in obscaps if c.startswith('V')] | |
1344 |
|
1344 | |||
1345 | def writebundle(ui, cg, filename, bundletype, vfs=None, compression=None, |
|
1345 | def writebundle(ui, cg, filename, bundletype, vfs=None, compression=None, | |
1346 | compopts=None): |
|
1346 | compopts=None): | |
1347 | """Write a bundle file and return its filename. |
|
1347 | """Write a bundle file and return its filename. | |
1348 |
|
1348 | |||
1349 | Existing files will not be overwritten. |
|
1349 | Existing files will not be overwritten. | |
1350 | If no filename is specified, a temporary file is created. |
|
1350 | If no filename is specified, a temporary file is created. | |
1351 | bz2 compression can be turned off. |
|
1351 | bz2 compression can be turned off. | |
1352 | The bundle file will be deleted in case of errors. |
|
1352 | The bundle file will be deleted in case of errors. | |
1353 | """ |
|
1353 | """ | |
1354 |
|
1354 | |||
1355 | if bundletype == "HG20": |
|
1355 | if bundletype == "HG20": | |
1356 | bundle = bundle20(ui) |
|
1356 | bundle = bundle20(ui) | |
1357 | bundle.setcompression(compression, compopts) |
|
1357 | bundle.setcompression(compression, compopts) | |
1358 | part = bundle.newpart('changegroup', data=cg.getchunks()) |
|
1358 | part = bundle.newpart('changegroup', data=cg.getchunks()) | |
1359 | part.addparam('version', cg.version) |
|
1359 | part.addparam('version', cg.version) | |
1360 | if 'clcount' in cg.extras: |
|
1360 | if 'clcount' in cg.extras: | |
1361 | part.addparam('nbchanges', str(cg.extras['clcount']), |
|
1361 | part.addparam('nbchanges', str(cg.extras['clcount']), | |
1362 | mandatory=False) |
|
1362 | mandatory=False) | |
1363 | chunkiter = bundle.getchunks() |
|
1363 | chunkiter = bundle.getchunks() | |
1364 | else: |
|
1364 | else: | |
1365 | # compression argument is only for the bundle2 case |
|
1365 | # compression argument is only for the bundle2 case | |
1366 | assert compression is None |
|
1366 | assert compression is None | |
1367 | if cg.version != '01': |
|
1367 | if cg.version != '01': | |
1368 | raise error.Abort(_('old bundle types only supports v1 ' |
|
1368 | raise error.Abort(_('old bundle types only supports v1 ' | |
1369 | 'changegroups')) |
|
1369 | 'changegroups')) | |
1370 | header, comp = bundletypes[bundletype] |
|
1370 | header, comp = bundletypes[bundletype] | |
1371 | if comp not in util.compengines.supportedbundletypes: |
|
1371 | if comp not in util.compengines.supportedbundletypes: | |
1372 | raise error.Abort(_('unknown stream compression type: %s') |
|
1372 | raise error.Abort(_('unknown stream compression type: %s') | |
1373 | % comp) |
|
1373 | % comp) | |
1374 | compengine = util.compengines.forbundletype(comp) |
|
1374 | compengine = util.compengines.forbundletype(comp) | |
1375 | def chunkiter(): |
|
1375 | def chunkiter(): | |
1376 | yield header |
|
1376 | yield header | |
1377 | for chunk in compengine.compressstream(cg.getchunks(), compopts): |
|
1377 | for chunk in compengine.compressstream(cg.getchunks(), compopts): | |
1378 | yield chunk |
|
1378 | yield chunk | |
1379 | chunkiter = chunkiter() |
|
1379 | chunkiter = chunkiter() | |
1380 |
|
1380 | |||
1381 | # parse the changegroup data, otherwise we will block |
|
1381 | # parse the changegroup data, otherwise we will block | |
1382 | # in case of sshrepo because we don't know the end of the stream |
|
1382 | # in case of sshrepo because we don't know the end of the stream | |
1383 | return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) |
|
1383 | return changegroup.writechunks(ui, chunkiter, filename, vfs=vfs) | |
1384 |
|
1384 | |||
1385 | @parthandler('changegroup', ('version', 'nbchanges', 'treemanifest')) |
|
1385 | @parthandler('changegroup', ('version', 'nbchanges', 'treemanifest')) | |
1386 | def handlechangegroup(op, inpart): |
|
1386 | def handlechangegroup(op, inpart): | |
1387 | """apply a changegroup part on the repo |
|
1387 | """apply a changegroup part on the repo | |
1388 |
|
1388 | |||
1389 | This is a very early implementation that will massive rework before being |
|
1389 | This is a very early implementation that will massive rework before being | |
1390 | inflicted to any end-user. |
|
1390 | inflicted to any end-user. | |
1391 | """ |
|
1391 | """ | |
1392 | # Make sure we trigger a transaction creation |
|
1392 | # Make sure we trigger a transaction creation | |
1393 | # |
|
1393 | # | |
1394 | # The addchangegroup function will get a transaction object by itself, but |
|
1394 | # The addchangegroup function will get a transaction object by itself, but | |
1395 | # we need to make sure we trigger the creation of a transaction object used |
|
1395 | # we need to make sure we trigger the creation of a transaction object used | |
1396 | # for the whole processing scope. |
|
1396 | # for the whole processing scope. | |
1397 | op.gettransaction() |
|
1397 | op.gettransaction() | |
1398 | unpackerversion = inpart.params.get('version', '01') |
|
1398 | unpackerversion = inpart.params.get('version', '01') | |
1399 | # We should raise an appropriate exception here |
|
1399 | # We should raise an appropriate exception here | |
1400 | cg = changegroup.getunbundler(unpackerversion, inpart, None) |
|
1400 | cg = changegroup.getunbundler(unpackerversion, inpart, None) | |
1401 | # the source and url passed here are overwritten by the one contained in |
|
1401 | # the source and url passed here are overwritten by the one contained in | |
1402 | # the transaction.hookargs argument. So 'bundle2' is a placeholder |
|
1402 | # the transaction.hookargs argument. So 'bundle2' is a placeholder | |
1403 | nbchangesets = None |
|
1403 | nbchangesets = None | |
1404 | if 'nbchanges' in inpart.params: |
|
1404 | if 'nbchanges' in inpart.params: | |
1405 | nbchangesets = int(inpart.params.get('nbchanges')) |
|
1405 | nbchangesets = int(inpart.params.get('nbchanges')) | |
1406 | if ('treemanifest' in inpart.params and |
|
1406 | if ('treemanifest' in inpart.params and | |
1407 | 'treemanifest' not in op.repo.requirements): |
|
1407 | 'treemanifest' not in op.repo.requirements): | |
1408 | if len(op.repo.changelog) != 0: |
|
1408 | if len(op.repo.changelog) != 0: | |
1409 | raise error.Abort(_( |
|
1409 | raise error.Abort(_( | |
1410 | "bundle contains tree manifests, but local repo is " |
|
1410 | "bundle contains tree manifests, but local repo is " | |
1411 | "non-empty and does not use tree manifests")) |
|
1411 | "non-empty and does not use tree manifests")) | |
1412 | op.repo.requirements.add('treemanifest') |
|
1412 | op.repo.requirements.add('treemanifest') | |
1413 | op.repo._applyopenerreqs() |
|
1413 | op.repo._applyopenerreqs() | |
1414 | op.repo._writerequirements() |
|
1414 | op.repo._writerequirements() | |
1415 | ret = cg.apply(op.repo, 'bundle2', 'bundle2', expectedtotal=nbchangesets) |
|
1415 | ret = cg.apply(op.repo, 'bundle2', 'bundle2', expectedtotal=nbchangesets) | |
1416 | op.records.add('changegroup', {'return': ret}) |
|
1416 | op.records.add('changegroup', {'return': ret}) | |
1417 | if op.reply is not None: |
|
1417 | if op.reply is not None: | |
1418 | # This is definitely not the final form of this |
|
1418 | # This is definitely not the final form of this | |
1419 | # return. But one need to start somewhere. |
|
1419 | # return. But one need to start somewhere. | |
1420 | part = op.reply.newpart('reply:changegroup', mandatory=False) |
|
1420 | part = op.reply.newpart('reply:changegroup', mandatory=False) | |
1421 | part.addparam('in-reply-to', str(inpart.id), mandatory=False) |
|
1421 | part.addparam('in-reply-to', str(inpart.id), mandatory=False) | |
1422 | part.addparam('return', '%i' % ret, mandatory=False) |
|
1422 | part.addparam('return', '%i' % ret, mandatory=False) | |
1423 | assert not inpart.read() |
|
1423 | assert not inpart.read() | |
1424 |
|
1424 | |||
1425 | _remotechangegroupparams = tuple(['url', 'size', 'digests'] + |
|
1425 | _remotechangegroupparams = tuple(['url', 'size', 'digests'] + | |
1426 | ['digest:%s' % k for k in util.DIGESTS.keys()]) |
|
1426 | ['digest:%s' % k for k in util.DIGESTS.keys()]) | |
1427 | @parthandler('remote-changegroup', _remotechangegroupparams) |
|
1427 | @parthandler('remote-changegroup', _remotechangegroupparams) | |
1428 | def handleremotechangegroup(op, inpart): |
|
1428 | def handleremotechangegroup(op, inpart): | |
1429 | """apply a bundle10 on the repo, given an url and validation information |
|
1429 | """apply a bundle10 on the repo, given an url and validation information | |
1430 |
|
1430 | |||
1431 | All the information about the remote bundle to import are given as |
|
1431 | All the information about the remote bundle to import are given as | |
1432 | parameters. The parameters include: |
|
1432 | parameters. The parameters include: | |
1433 | - url: the url to the bundle10. |
|
1433 | - url: the url to the bundle10. | |
1434 | - size: the bundle10 file size. It is used to validate what was |
|
1434 | - size: the bundle10 file size. It is used to validate what was | |
1435 | retrieved by the client matches the server knowledge about the bundle. |
|
1435 | retrieved by the client matches the server knowledge about the bundle. | |
1436 | - digests: a space separated list of the digest types provided as |
|
1436 | - digests: a space separated list of the digest types provided as | |
1437 | parameters. |
|
1437 | parameters. | |
1438 | - digest:<digest-type>: the hexadecimal representation of the digest with |
|
1438 | - digest:<digest-type>: the hexadecimal representation of the digest with | |
1439 | that name. Like the size, it is used to validate what was retrieved by |
|
1439 | that name. Like the size, it is used to validate what was retrieved by | |
1440 | the client matches what the server knows about the bundle. |
|
1440 | the client matches what the server knows about the bundle. | |
1441 |
|
1441 | |||
1442 | When multiple digest types are given, all of them are checked. |
|
1442 | When multiple digest types are given, all of them are checked. | |
1443 | """ |
|
1443 | """ | |
1444 | try: |
|
1444 | try: | |
1445 | raw_url = inpart.params['url'] |
|
1445 | raw_url = inpart.params['url'] | |
1446 | except KeyError: |
|
1446 | except KeyError: | |
1447 | raise error.Abort(_('remote-changegroup: missing "%s" param') % 'url') |
|
1447 | raise error.Abort(_('remote-changegroup: missing "%s" param') % 'url') | |
1448 | parsed_url = util.url(raw_url) |
|
1448 | parsed_url = util.url(raw_url) | |
1449 | if parsed_url.scheme not in capabilities['remote-changegroup']: |
|
1449 | if parsed_url.scheme not in capabilities['remote-changegroup']: | |
1450 | raise error.Abort(_('remote-changegroup does not support %s urls') % |
|
1450 | raise error.Abort(_('remote-changegroup does not support %s urls') % | |
1451 | parsed_url.scheme) |
|
1451 | parsed_url.scheme) | |
1452 |
|
1452 | |||
1453 | try: |
|
1453 | try: | |
1454 | size = int(inpart.params['size']) |
|
1454 | size = int(inpart.params['size']) | |
1455 | except ValueError: |
|
1455 | except ValueError: | |
1456 | raise error.Abort(_('remote-changegroup: invalid value for param "%s"') |
|
1456 | raise error.Abort(_('remote-changegroup: invalid value for param "%s"') | |
1457 | % 'size') |
|
1457 | % 'size') | |
1458 | except KeyError: |
|
1458 | except KeyError: | |
1459 | raise error.Abort(_('remote-changegroup: missing "%s" param') % 'size') |
|
1459 | raise error.Abort(_('remote-changegroup: missing "%s" param') % 'size') | |
1460 |
|
1460 | |||
1461 | digests = {} |
|
1461 | digests = {} | |
1462 | for typ in inpart.params.get('digests', '').split(): |
|
1462 | for typ in inpart.params.get('digests', '').split(): | |
1463 | param = 'digest:%s' % typ |
|
1463 | param = 'digest:%s' % typ | |
1464 | try: |
|
1464 | try: | |
1465 | value = inpart.params[param] |
|
1465 | value = inpart.params[param] | |
1466 | except KeyError: |
|
1466 | except KeyError: | |
1467 | raise error.Abort(_('remote-changegroup: missing "%s" param') % |
|
1467 | raise error.Abort(_('remote-changegroup: missing "%s" param') % | |
1468 | param) |
|
1468 | param) | |
1469 | digests[typ] = value |
|
1469 | digests[typ] = value | |
1470 |
|
1470 | |||
1471 | real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) |
|
1471 | real_part = util.digestchecker(url.open(op.ui, raw_url), size, digests) | |
1472 |
|
1472 | |||
1473 | # Make sure we trigger a transaction creation |
|
1473 | # Make sure we trigger a transaction creation | |
1474 | # |
|
1474 | # | |
1475 | # The addchangegroup function will get a transaction object by itself, but |
|
1475 | # The addchangegroup function will get a transaction object by itself, but | |
1476 | # we need to make sure we trigger the creation of a transaction object used |
|
1476 | # we need to make sure we trigger the creation of a transaction object used | |
1477 | # for the whole processing scope. |
|
1477 | # for the whole processing scope. | |
1478 | op.gettransaction() |
|
1478 | op.gettransaction() | |
1479 | from . import exchange |
|
1479 | from . import exchange | |
1480 | cg = exchange.readbundle(op.repo.ui, real_part, raw_url) |
|
1480 | cg = exchange.readbundle(op.repo.ui, real_part, raw_url) | |
1481 | if not isinstance(cg, changegroup.cg1unpacker): |
|
1481 | if not isinstance(cg, changegroup.cg1unpacker): | |
1482 | raise error.Abort(_('%s: not a bundle version 1.0') % |
|
1482 | raise error.Abort(_('%s: not a bundle version 1.0') % | |
1483 | util.hidepassword(raw_url)) |
|
1483 | util.hidepassword(raw_url)) | |
1484 | ret = cg.apply(op.repo, 'bundle2', 'bundle2') |
|
1484 | ret = cg.apply(op.repo, 'bundle2', 'bundle2') | |
1485 | op.records.add('changegroup', {'return': ret}) |
|
1485 | op.records.add('changegroup', {'return': ret}) | |
1486 | if op.reply is not None: |
|
1486 | if op.reply is not None: | |
1487 | # This is definitely not the final form of this |
|
1487 | # This is definitely not the final form of this | |
1488 | # return. But one need to start somewhere. |
|
1488 | # return. But one need to start somewhere. | |
1489 | part = op.reply.newpart('reply:changegroup') |
|
1489 | part = op.reply.newpart('reply:changegroup') | |
1490 | part.addparam('in-reply-to', str(inpart.id), mandatory=False) |
|
1490 | part.addparam('in-reply-to', str(inpart.id), mandatory=False) | |
1491 | part.addparam('return', '%i' % ret, mandatory=False) |
|
1491 | part.addparam('return', '%i' % ret, mandatory=False) | |
1492 | try: |
|
1492 | try: | |
1493 | real_part.validate() |
|
1493 | real_part.validate() | |
1494 | except error.Abort as e: |
|
1494 | except error.Abort as e: | |
1495 | raise error.Abort(_('bundle at %s is corrupted:\n%s') % |
|
1495 | raise error.Abort(_('bundle at %s is corrupted:\n%s') % | |
1496 | (util.hidepassword(raw_url), str(e))) |
|
1496 | (util.hidepassword(raw_url), str(e))) | |
1497 | assert not inpart.read() |
|
1497 | assert not inpart.read() | |
1498 |
|
1498 | |||
1499 | @parthandler('reply:changegroup', ('return', 'in-reply-to')) |
|
1499 | @parthandler('reply:changegroup', ('return', 'in-reply-to')) | |
1500 | def handlereplychangegroup(op, inpart): |
|
1500 | def handlereplychangegroup(op, inpart): | |
1501 | ret = int(inpart.params['return']) |
|
1501 | ret = int(inpart.params['return']) | |
1502 | replyto = int(inpart.params['in-reply-to']) |
|
1502 | replyto = int(inpart.params['in-reply-to']) | |
1503 | op.records.add('changegroup', {'return': ret}, replyto) |
|
1503 | op.records.add('changegroup', {'return': ret}, replyto) | |
1504 |
|
1504 | |||
1505 | @parthandler('check:heads') |
|
1505 | @parthandler('check:heads') | |
1506 | def handlecheckheads(op, inpart): |
|
1506 | def handlecheckheads(op, inpart): | |
1507 | """check that head of the repo did not change |
|
1507 | """check that head of the repo did not change | |
1508 |
|
1508 | |||
1509 | This is used to detect a push race when using unbundle. |
|
1509 | This is used to detect a push race when using unbundle. | |
1510 | This replaces the "heads" argument of unbundle.""" |
|
1510 | This replaces the "heads" argument of unbundle.""" | |
1511 | h = inpart.read(20) |
|
1511 | h = inpart.read(20) | |
1512 | heads = [] |
|
1512 | heads = [] | |
1513 | while len(h) == 20: |
|
1513 | while len(h) == 20: | |
1514 | heads.append(h) |
|
1514 | heads.append(h) | |
1515 | h = inpart.read(20) |
|
1515 | h = inpart.read(20) | |
1516 | assert not h |
|
1516 | assert not h | |
1517 | # Trigger a transaction so that we are guaranteed to have the lock now. |
|
1517 | # Trigger a transaction so that we are guaranteed to have the lock now. | |
1518 | if op.ui.configbool('experimental', 'bundle2lazylocking'): |
|
1518 | if op.ui.configbool('experimental', 'bundle2lazylocking'): | |
1519 | op.gettransaction() |
|
1519 | op.gettransaction() | |
1520 | if sorted(heads) != sorted(op.repo.heads()): |
|
1520 | if sorted(heads) != sorted(op.repo.heads()): | |
1521 | raise error.PushRaced('repository changed while pushing - ' |
|
1521 | raise error.PushRaced('repository changed while pushing - ' | |
1522 | 'please try again') |
|
1522 | 'please try again') | |
1523 |
|
1523 | |||
1524 | @parthandler('output') |
|
1524 | @parthandler('output') | |
1525 | def handleoutput(op, inpart): |
|
1525 | def handleoutput(op, inpart): | |
1526 | """forward output captured on the server to the client""" |
|
1526 | """forward output captured on the server to the client""" | |
1527 | for line in inpart.read().splitlines(): |
|
1527 | for line in inpart.read().splitlines(): | |
1528 | op.ui.status(_('remote: %s\n') % line) |
|
1528 | op.ui.status(_('remote: %s\n') % line) | |
1529 |
|
1529 | |||
1530 | @parthandler('replycaps') |
|
1530 | @parthandler('replycaps') | |
1531 | def handlereplycaps(op, inpart): |
|
1531 | def handlereplycaps(op, inpart): | |
1532 | """Notify that a reply bundle should be created |
|
1532 | """Notify that a reply bundle should be created | |
1533 |
|
1533 | |||
1534 | The payload contains the capabilities information for the reply""" |
|
1534 | The payload contains the capabilities information for the reply""" | |
1535 | caps = decodecaps(inpart.read()) |
|
1535 | caps = decodecaps(inpart.read()) | |
1536 | if op.reply is None: |
|
1536 | if op.reply is None: | |
1537 | op.reply = bundle20(op.ui, caps) |
|
1537 | op.reply = bundle20(op.ui, caps) | |
1538 |
|
1538 | |||
1539 | class AbortFromPart(error.Abort): |
|
1539 | class AbortFromPart(error.Abort): | |
1540 | """Sub-class of Abort that denotes an error from a bundle2 part.""" |
|
1540 | """Sub-class of Abort that denotes an error from a bundle2 part.""" | |
1541 |
|
1541 | |||
1542 | @parthandler('error:abort', ('message', 'hint')) |
|
1542 | @parthandler('error:abort', ('message', 'hint')) | |
1543 | def handleerrorabort(op, inpart): |
|
1543 | def handleerrorabort(op, inpart): | |
1544 | """Used to transmit abort error over the wire""" |
|
1544 | """Used to transmit abort error over the wire""" | |
1545 | raise AbortFromPart(inpart.params['message'], |
|
1545 | raise AbortFromPart(inpart.params['message'], | |
1546 | hint=inpart.params.get('hint')) |
|
1546 | hint=inpart.params.get('hint')) | |
1547 |
|
1547 | |||
1548 | @parthandler('error:pushkey', ('namespace', 'key', 'new', 'old', 'ret', |
|
1548 | @parthandler('error:pushkey', ('namespace', 'key', 'new', 'old', 'ret', | |
1549 | 'in-reply-to')) |
|
1549 | 'in-reply-to')) | |
1550 | def handleerrorpushkey(op, inpart): |
|
1550 | def handleerrorpushkey(op, inpart): | |
1551 | """Used to transmit failure of a mandatory pushkey over the wire""" |
|
1551 | """Used to transmit failure of a mandatory pushkey over the wire""" | |
1552 | kwargs = {} |
|
1552 | kwargs = {} | |
1553 | for name in ('namespace', 'key', 'new', 'old', 'ret'): |
|
1553 | for name in ('namespace', 'key', 'new', 'old', 'ret'): | |
1554 | value = inpart.params.get(name) |
|
1554 | value = inpart.params.get(name) | |
1555 | if value is not None: |
|
1555 | if value is not None: | |
1556 | kwargs[name] = value |
|
1556 | kwargs[name] = value | |
1557 | raise error.PushkeyFailed(inpart.params['in-reply-to'], **kwargs) |
|
1557 | raise error.PushkeyFailed(inpart.params['in-reply-to'], **kwargs) | |
1558 |
|
1558 | |||
1559 | @parthandler('error:unsupportedcontent', ('parttype', 'params')) |
|
1559 | @parthandler('error:unsupportedcontent', ('parttype', 'params')) | |
1560 | def handleerrorunsupportedcontent(op, inpart): |
|
1560 | def handleerrorunsupportedcontent(op, inpart): | |
1561 | """Used to transmit unknown content error over the wire""" |
|
1561 | """Used to transmit unknown content error over the wire""" | |
1562 | kwargs = {} |
|
1562 | kwargs = {} | |
1563 | parttype = inpart.params.get('parttype') |
|
1563 | parttype = inpart.params.get('parttype') | |
1564 | if parttype is not None: |
|
1564 | if parttype is not None: | |
1565 | kwargs['parttype'] = parttype |
|
1565 | kwargs['parttype'] = parttype | |
1566 | params = inpart.params.get('params') |
|
1566 | params = inpart.params.get('params') | |
1567 | if params is not None: |
|
1567 | if params is not None: | |
1568 | kwargs['params'] = params.split('\0') |
|
1568 | kwargs['params'] = params.split('\0') | |
1569 |
|
1569 | |||
1570 | raise error.BundleUnknownFeatureError(**kwargs) |
|
1570 | raise error.BundleUnknownFeatureError(**kwargs) | |
1571 |
|
1571 | |||
1572 | @parthandler('error:pushraced', ('message',)) |
|
1572 | @parthandler('error:pushraced', ('message',)) | |
1573 | def handleerrorpushraced(op, inpart): |
|
1573 | def handleerrorpushraced(op, inpart): | |
1574 | """Used to transmit push race error over the wire""" |
|
1574 | """Used to transmit push race error over the wire""" | |
1575 | raise error.ResponseError(_('push failed:'), inpart.params['message']) |
|
1575 | raise error.ResponseError(_('push failed:'), inpart.params['message']) | |
1576 |
|
1576 | |||
1577 | @parthandler('listkeys', ('namespace',)) |
|
1577 | @parthandler('listkeys', ('namespace',)) | |
1578 | def handlelistkeys(op, inpart): |
|
1578 | def handlelistkeys(op, inpart): | |
1579 | """retrieve pushkey namespace content stored in a bundle2""" |
|
1579 | """retrieve pushkey namespace content stored in a bundle2""" | |
1580 | namespace = inpart.params['namespace'] |
|
1580 | namespace = inpart.params['namespace'] | |
1581 | r = pushkey.decodekeys(inpart.read()) |
|
1581 | r = pushkey.decodekeys(inpart.read()) | |
1582 | op.records.add('listkeys', (namespace, r)) |
|
1582 | op.records.add('listkeys', (namespace, r)) | |
1583 |
|
1583 | |||
1584 | @parthandler('pushkey', ('namespace', 'key', 'old', 'new')) |
|
1584 | @parthandler('pushkey', ('namespace', 'key', 'old', 'new')) | |
1585 | def handlepushkey(op, inpart): |
|
1585 | def handlepushkey(op, inpart): | |
1586 | """process a pushkey request""" |
|
1586 | """process a pushkey request""" | |
1587 | dec = pushkey.decode |
|
1587 | dec = pushkey.decode | |
1588 | namespace = dec(inpart.params['namespace']) |
|
1588 | namespace = dec(inpart.params['namespace']) | |
1589 | key = dec(inpart.params['key']) |
|
1589 | key = dec(inpart.params['key']) | |
1590 | old = dec(inpart.params['old']) |
|
1590 | old = dec(inpart.params['old']) | |
1591 | new = dec(inpart.params['new']) |
|
1591 | new = dec(inpart.params['new']) | |
1592 | # Grab the transaction to ensure that we have the lock before performing the |
|
1592 | # Grab the transaction to ensure that we have the lock before performing the | |
1593 | # pushkey. |
|
1593 | # pushkey. | |
1594 | if op.ui.configbool('experimental', 'bundle2lazylocking'): |
|
1594 | if op.ui.configbool('experimental', 'bundle2lazylocking'): | |
1595 | op.gettransaction() |
|
1595 | op.gettransaction() | |
1596 | ret = op.repo.pushkey(namespace, key, old, new) |
|
1596 | ret = op.repo.pushkey(namespace, key, old, new) | |
1597 | record = {'namespace': namespace, |
|
1597 | record = {'namespace': namespace, | |
1598 | 'key': key, |
|
1598 | 'key': key, | |
1599 | 'old': old, |
|
1599 | 'old': old, | |
1600 | 'new': new} |
|
1600 | 'new': new} | |
1601 | op.records.add('pushkey', record) |
|
1601 | op.records.add('pushkey', record) | |
1602 | if op.reply is not None: |
|
1602 | if op.reply is not None: | |
1603 | rpart = op.reply.newpart('reply:pushkey') |
|
1603 | rpart = op.reply.newpart('reply:pushkey') | |
1604 | rpart.addparam('in-reply-to', str(inpart.id), mandatory=False) |
|
1604 | rpart.addparam('in-reply-to', str(inpart.id), mandatory=False) | |
1605 | rpart.addparam('return', '%i' % ret, mandatory=False) |
|
1605 | rpart.addparam('return', '%i' % ret, mandatory=False) | |
1606 | if inpart.mandatory and not ret: |
|
1606 | if inpart.mandatory and not ret: | |
1607 | kwargs = {} |
|
1607 | kwargs = {} | |
1608 | for key in ('namespace', 'key', 'new', 'old', 'ret'): |
|
1608 | for key in ('namespace', 'key', 'new', 'old', 'ret'): | |
1609 | if key in inpart.params: |
|
1609 | if key in inpart.params: | |
1610 | kwargs[key] = inpart.params[key] |
|
1610 | kwargs[key] = inpart.params[key] | |
1611 | raise error.PushkeyFailed(partid=str(inpart.id), **kwargs) |
|
1611 | raise error.PushkeyFailed(partid=str(inpart.id), **kwargs) | |
1612 |
|
1612 | |||
1613 | @parthandler('reply:pushkey', ('return', 'in-reply-to')) |
|
1613 | @parthandler('reply:pushkey', ('return', 'in-reply-to')) | |
1614 | def handlepushkeyreply(op, inpart): |
|
1614 | def handlepushkeyreply(op, inpart): | |
1615 | """retrieve the result of a pushkey request""" |
|
1615 | """retrieve the result of a pushkey request""" | |
1616 | ret = int(inpart.params['return']) |
|
1616 | ret = int(inpart.params['return']) | |
1617 | partid = int(inpart.params['in-reply-to']) |
|
1617 | partid = int(inpart.params['in-reply-to']) | |
1618 | op.records.add('pushkey', {'return': ret}, partid) |
|
1618 | op.records.add('pushkey', {'return': ret}, partid) | |
1619 |
|
1619 | |||
1620 | @parthandler('obsmarkers') |
|
1620 | @parthandler('obsmarkers') | |
1621 | def handleobsmarker(op, inpart): |
|
1621 | def handleobsmarker(op, inpart): | |
1622 | """add a stream of obsmarkers to the repo""" |
|
1622 | """add a stream of obsmarkers to the repo""" | |
1623 | tr = op.gettransaction() |
|
1623 | tr = op.gettransaction() | |
1624 | markerdata = inpart.read() |
|
1624 | markerdata = inpart.read() | |
1625 | if op.ui.config('experimental', 'obsmarkers-exchange-debug', False): |
|
1625 | if op.ui.config('experimental', 'obsmarkers-exchange-debug', False): | |
1626 | op.ui.write(('obsmarker-exchange: %i bytes received\n') |
|
1626 | op.ui.write(('obsmarker-exchange: %i bytes received\n') | |
1627 | % len(markerdata)) |
|
1627 | % len(markerdata)) | |
1628 | # The mergemarkers call will crash if marker creation is not enabled. |
|
1628 | # The mergemarkers call will crash if marker creation is not enabled. | |
1629 | # we want to avoid this if the part is advisory. |
|
1629 | # we want to avoid this if the part is advisory. | |
1630 | if not inpart.mandatory and op.repo.obsstore.readonly: |
|
1630 | if not inpart.mandatory and op.repo.obsstore.readonly: | |
1631 | op.repo.ui.debug('ignoring obsolescence markers, feature not enabled') |
|
1631 | op.repo.ui.debug('ignoring obsolescence markers, feature not enabled') | |
1632 | return |
|
1632 | return | |
1633 | new = op.repo.obsstore.mergemarkers(tr, markerdata) |
|
1633 | new = op.repo.obsstore.mergemarkers(tr, markerdata) | |
|
1634 | op.repo.invalidatevolatilesets() | |||
1634 | if new: |
|
1635 | if new: | |
1635 | op.repo.ui.status(_('%i new obsolescence markers\n') % new) |
|
1636 | op.repo.ui.status(_('%i new obsolescence markers\n') % new) | |
1636 | op.records.add('obsmarkers', {'new': new}) |
|
1637 | op.records.add('obsmarkers', {'new': new}) | |
1637 | if op.reply is not None: |
|
1638 | if op.reply is not None: | |
1638 | rpart = op.reply.newpart('reply:obsmarkers') |
|
1639 | rpart = op.reply.newpart('reply:obsmarkers') | |
1639 | rpart.addparam('in-reply-to', str(inpart.id), mandatory=False) |
|
1640 | rpart.addparam('in-reply-to', str(inpart.id), mandatory=False) | |
1640 | rpart.addparam('new', '%i' % new, mandatory=False) |
|
1641 | rpart.addparam('new', '%i' % new, mandatory=False) | |
1641 |
|
1642 | |||
1642 |
|
1643 | |||
1643 | @parthandler('reply:obsmarkers', ('new', 'in-reply-to')) |
|
1644 | @parthandler('reply:obsmarkers', ('new', 'in-reply-to')) | |
1644 | def handleobsmarkerreply(op, inpart): |
|
1645 | def handleobsmarkerreply(op, inpart): | |
1645 | """retrieve the result of a pushkey request""" |
|
1646 | """retrieve the result of a pushkey request""" | |
1646 | ret = int(inpart.params['new']) |
|
1647 | ret = int(inpart.params['new']) | |
1647 | partid = int(inpart.params['in-reply-to']) |
|
1648 | partid = int(inpart.params['in-reply-to']) | |
1648 | op.records.add('obsmarkers', {'new': ret}, partid) |
|
1649 | op.records.add('obsmarkers', {'new': ret}, partid) | |
1649 |
|
1650 | |||
1650 | @parthandler('hgtagsfnodes') |
|
1651 | @parthandler('hgtagsfnodes') | |
1651 | def handlehgtagsfnodes(op, inpart): |
|
1652 | def handlehgtagsfnodes(op, inpart): | |
1652 | """Applies .hgtags fnodes cache entries to the local repo. |
|
1653 | """Applies .hgtags fnodes cache entries to the local repo. | |
1653 |
|
1654 | |||
1654 | Payload is pairs of 20 byte changeset nodes and filenodes. |
|
1655 | Payload is pairs of 20 byte changeset nodes and filenodes. | |
1655 | """ |
|
1656 | """ | |
1656 | # Grab the transaction so we ensure that we have the lock at this point. |
|
1657 | # Grab the transaction so we ensure that we have the lock at this point. | |
1657 | if op.ui.configbool('experimental', 'bundle2lazylocking'): |
|
1658 | if op.ui.configbool('experimental', 'bundle2lazylocking'): | |
1658 | op.gettransaction() |
|
1659 | op.gettransaction() | |
1659 | cache = tags.hgtagsfnodescache(op.repo.unfiltered()) |
|
1660 | cache = tags.hgtagsfnodescache(op.repo.unfiltered()) | |
1660 |
|
1661 | |||
1661 | count = 0 |
|
1662 | count = 0 | |
1662 | while True: |
|
1663 | while True: | |
1663 | node = inpart.read(20) |
|
1664 | node = inpart.read(20) | |
1664 | fnode = inpart.read(20) |
|
1665 | fnode = inpart.read(20) | |
1665 | if len(node) < 20 or len(fnode) < 20: |
|
1666 | if len(node) < 20 or len(fnode) < 20: | |
1666 | op.ui.debug('ignoring incomplete received .hgtags fnodes data\n') |
|
1667 | op.ui.debug('ignoring incomplete received .hgtags fnodes data\n') | |
1667 | break |
|
1668 | break | |
1668 | cache.setfnode(node, fnode) |
|
1669 | cache.setfnode(node, fnode) | |
1669 | count += 1 |
|
1670 | count += 1 | |
1670 |
|
1671 | |||
1671 | cache.write() |
|
1672 | cache.write() | |
1672 | op.ui.debug('applied %i hgtags fnodes cache entries\n' % count) |
|
1673 | op.ui.debug('applied %i hgtags fnodes cache entries\n' % count) |
@@ -1,1285 +1,1286 b'' | |||||
1 | # obsolete.py - obsolete markers handling |
|
1 | # obsolete.py - obsolete markers handling | |
2 | # |
|
2 | # | |
3 | # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
|
3 | # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org> | |
4 | # Logilab SA <contact@logilab.fr> |
|
4 | # Logilab SA <contact@logilab.fr> | |
5 | # |
|
5 | # | |
6 | # This software may be used and distributed according to the terms of the |
|
6 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2 or any later version. |
|
7 | # GNU General Public License version 2 or any later version. | |
8 |
|
8 | |||
9 | """Obsolete marker handling |
|
9 | """Obsolete marker handling | |
10 |
|
10 | |||
11 | An obsolete marker maps an old changeset to a list of new |
|
11 | An obsolete marker maps an old changeset to a list of new | |
12 | changesets. If the list of new changesets is empty, the old changeset |
|
12 | changesets. If the list of new changesets is empty, the old changeset | |
13 | is said to be "killed". Otherwise, the old changeset is being |
|
13 | is said to be "killed". Otherwise, the old changeset is being | |
14 | "replaced" by the new changesets. |
|
14 | "replaced" by the new changesets. | |
15 |
|
15 | |||
16 | Obsolete markers can be used to record and distribute changeset graph |
|
16 | Obsolete markers can be used to record and distribute changeset graph | |
17 | transformations performed by history rewrite operations, and help |
|
17 | transformations performed by history rewrite operations, and help | |
18 | building new tools to reconcile conflicting rewrite actions. To |
|
18 | building new tools to reconcile conflicting rewrite actions. To | |
19 | facilitate conflict resolution, markers include various annotations |
|
19 | facilitate conflict resolution, markers include various annotations | |
20 | besides old and news changeset identifiers, such as creation date or |
|
20 | besides old and news changeset identifiers, such as creation date or | |
21 | author name. |
|
21 | author name. | |
22 |
|
22 | |||
23 | The old obsoleted changeset is called a "precursor" and possible |
|
23 | The old obsoleted changeset is called a "precursor" and possible | |
24 | replacements are called "successors". Markers that used changeset X as |
|
24 | replacements are called "successors". Markers that used changeset X as | |
25 | a precursor are called "successor markers of X" because they hold |
|
25 | a precursor are called "successor markers of X" because they hold | |
26 | information about the successors of X. Markers that use changeset Y as |
|
26 | information about the successors of X. Markers that use changeset Y as | |
27 | a successors are call "precursor markers of Y" because they hold |
|
27 | a successors are call "precursor markers of Y" because they hold | |
28 | information about the precursors of Y. |
|
28 | information about the precursors of Y. | |
29 |
|
29 | |||
30 | Examples: |
|
30 | Examples: | |
31 |
|
31 | |||
32 | - When changeset A is replaced by changeset A', one marker is stored: |
|
32 | - When changeset A is replaced by changeset A', one marker is stored: | |
33 |
|
33 | |||
34 | (A, (A',)) |
|
34 | (A, (A',)) | |
35 |
|
35 | |||
36 | - When changesets A and B are folded into a new changeset C, two markers are |
|
36 | - When changesets A and B are folded into a new changeset C, two markers are | |
37 | stored: |
|
37 | stored: | |
38 |
|
38 | |||
39 | (A, (C,)) and (B, (C,)) |
|
39 | (A, (C,)) and (B, (C,)) | |
40 |
|
40 | |||
41 | - When changeset A is simply "pruned" from the graph, a marker is created: |
|
41 | - When changeset A is simply "pruned" from the graph, a marker is created: | |
42 |
|
42 | |||
43 | (A, ()) |
|
43 | (A, ()) | |
44 |
|
44 | |||
45 | - When changeset A is split into B and C, a single marker is used: |
|
45 | - When changeset A is split into B and C, a single marker is used: | |
46 |
|
46 | |||
47 | (A, (B, C)) |
|
47 | (A, (B, C)) | |
48 |
|
48 | |||
49 | We use a single marker to distinguish the "split" case from the "divergence" |
|
49 | We use a single marker to distinguish the "split" case from the "divergence" | |
50 | case. If two independent operations rewrite the same changeset A in to A' and |
|
50 | case. If two independent operations rewrite the same changeset A in to A' and | |
51 | A'', we have an error case: divergent rewriting. We can detect it because |
|
51 | A'', we have an error case: divergent rewriting. We can detect it because | |
52 | two markers will be created independently: |
|
52 | two markers will be created independently: | |
53 |
|
53 | |||
54 | (A, (B,)) and (A, (C,)) |
|
54 | (A, (B,)) and (A, (C,)) | |
55 |
|
55 | |||
56 | Format |
|
56 | Format | |
57 | ------ |
|
57 | ------ | |
58 |
|
58 | |||
59 | Markers are stored in an append-only file stored in |
|
59 | Markers are stored in an append-only file stored in | |
60 | '.hg/store/obsstore'. |
|
60 | '.hg/store/obsstore'. | |
61 |
|
61 | |||
62 | The file starts with a version header: |
|
62 | The file starts with a version header: | |
63 |
|
63 | |||
64 | - 1 unsigned byte: version number, starting at zero. |
|
64 | - 1 unsigned byte: version number, starting at zero. | |
65 |
|
65 | |||
66 | The header is followed by the markers. Marker format depend of the version. See |
|
66 | The header is followed by the markers. Marker format depend of the version. See | |
67 | comment associated with each format for details. |
|
67 | comment associated with each format for details. | |
68 |
|
68 | |||
69 | """ |
|
69 | """ | |
70 | from __future__ import absolute_import |
|
70 | from __future__ import absolute_import | |
71 |
|
71 | |||
72 | import errno |
|
72 | import errno | |
73 | import struct |
|
73 | import struct | |
74 |
|
74 | |||
75 | from .i18n import _ |
|
75 | from .i18n import _ | |
76 | from . import ( |
|
76 | from . import ( | |
77 | base85, |
|
77 | base85, | |
78 | error, |
|
78 | error, | |
79 | node, |
|
79 | node, | |
80 | parsers, |
|
80 | parsers, | |
81 | phases, |
|
81 | phases, | |
82 | util, |
|
82 | util, | |
83 | ) |
|
83 | ) | |
84 |
|
84 | |||
85 | _pack = struct.pack |
|
85 | _pack = struct.pack | |
86 | _unpack = struct.unpack |
|
86 | _unpack = struct.unpack | |
87 | _calcsize = struct.calcsize |
|
87 | _calcsize = struct.calcsize | |
88 | propertycache = util.propertycache |
|
88 | propertycache = util.propertycache | |
89 |
|
89 | |||
90 | # the obsolete feature is not mature enough to be enabled by default. |
|
90 | # the obsolete feature is not mature enough to be enabled by default. | |
91 | # you have to rely on third party extension extension to enable this. |
|
91 | # you have to rely on third party extension extension to enable this. | |
92 | _enabled = False |
|
92 | _enabled = False | |
93 |
|
93 | |||
94 | # Options for obsolescence |
|
94 | # Options for obsolescence | |
95 | createmarkersopt = 'createmarkers' |
|
95 | createmarkersopt = 'createmarkers' | |
96 | allowunstableopt = 'allowunstable' |
|
96 | allowunstableopt = 'allowunstable' | |
97 | exchangeopt = 'exchange' |
|
97 | exchangeopt = 'exchange' | |
98 |
|
98 | |||
99 | ### obsolescence marker flag |
|
99 | ### obsolescence marker flag | |
100 |
|
100 | |||
101 | ## bumpedfix flag |
|
101 | ## bumpedfix flag | |
102 | # |
|
102 | # | |
103 | # When a changeset A' succeed to a changeset A which became public, we call A' |
|
103 | # When a changeset A' succeed to a changeset A which became public, we call A' | |
104 | # "bumped" because it's a successors of a public changesets |
|
104 | # "bumped" because it's a successors of a public changesets | |
105 | # |
|
105 | # | |
106 | # o A' (bumped) |
|
106 | # o A' (bumped) | |
107 | # |`: |
|
107 | # |`: | |
108 | # | o A |
|
108 | # | o A | |
109 | # |/ |
|
109 | # |/ | |
110 | # o Z |
|
110 | # o Z | |
111 | # |
|
111 | # | |
112 | # The way to solve this situation is to create a new changeset Ad as children |
|
112 | # The way to solve this situation is to create a new changeset Ad as children | |
113 | # of A. This changeset have the same content than A'. So the diff from A to A' |
|
113 | # of A. This changeset have the same content than A'. So the diff from A to A' | |
114 | # is the same than the diff from A to Ad. Ad is marked as a successors of A' |
|
114 | # is the same than the diff from A to Ad. Ad is marked as a successors of A' | |
115 | # |
|
115 | # | |
116 | # o Ad |
|
116 | # o Ad | |
117 | # |`: |
|
117 | # |`: | |
118 | # | x A' |
|
118 | # | x A' | |
119 | # |'| |
|
119 | # |'| | |
120 | # o | A |
|
120 | # o | A | |
121 | # |/ |
|
121 | # |/ | |
122 | # o Z |
|
122 | # o Z | |
123 | # |
|
123 | # | |
124 | # But by transitivity Ad is also a successors of A. To avoid having Ad marked |
|
124 | # But by transitivity Ad is also a successors of A. To avoid having Ad marked | |
125 | # as bumped too, we add the `bumpedfix` flag to the marker. <A', (Ad,)>. |
|
125 | # as bumped too, we add the `bumpedfix` flag to the marker. <A', (Ad,)>. | |
126 | # This flag mean that the successors express the changes between the public and |
|
126 | # This flag mean that the successors express the changes between the public and | |
127 | # bumped version and fix the situation, breaking the transitivity of |
|
127 | # bumped version and fix the situation, breaking the transitivity of | |
128 | # "bumped" here. |
|
128 | # "bumped" here. | |
129 | bumpedfix = 1 |
|
129 | bumpedfix = 1 | |
130 | usingsha256 = 2 |
|
130 | usingsha256 = 2 | |
131 |
|
131 | |||
132 | ## Parsing and writing of version "0" |
|
132 | ## Parsing and writing of version "0" | |
133 | # |
|
133 | # | |
134 | # The header is followed by the markers. Each marker is made of: |
|
134 | # The header is followed by the markers. Each marker is made of: | |
135 | # |
|
135 | # | |
136 | # - 1 uint8 : number of new changesets "N", can be zero. |
|
136 | # - 1 uint8 : number of new changesets "N", can be zero. | |
137 | # |
|
137 | # | |
138 | # - 1 uint32: metadata size "M" in bytes. |
|
138 | # - 1 uint32: metadata size "M" in bytes. | |
139 | # |
|
139 | # | |
140 | # - 1 byte: a bit field. It is reserved for flags used in common |
|
140 | # - 1 byte: a bit field. It is reserved for flags used in common | |
141 | # obsolete marker operations, to avoid repeated decoding of metadata |
|
141 | # obsolete marker operations, to avoid repeated decoding of metadata | |
142 | # entries. |
|
142 | # entries. | |
143 | # |
|
143 | # | |
144 | # - 20 bytes: obsoleted changeset identifier. |
|
144 | # - 20 bytes: obsoleted changeset identifier. | |
145 | # |
|
145 | # | |
146 | # - N*20 bytes: new changesets identifiers. |
|
146 | # - N*20 bytes: new changesets identifiers. | |
147 | # |
|
147 | # | |
148 | # - M bytes: metadata as a sequence of nul-terminated strings. Each |
|
148 | # - M bytes: metadata as a sequence of nul-terminated strings. Each | |
149 | # string contains a key and a value, separated by a colon ':', without |
|
149 | # string contains a key and a value, separated by a colon ':', without | |
150 | # additional encoding. Keys cannot contain '\0' or ':' and values |
|
150 | # additional encoding. Keys cannot contain '\0' or ':' and values | |
151 | # cannot contain '\0'. |
|
151 | # cannot contain '\0'. | |
152 | _fm0version = 0 |
|
152 | _fm0version = 0 | |
153 | _fm0fixed = '>BIB20s' |
|
153 | _fm0fixed = '>BIB20s' | |
154 | _fm0node = '20s' |
|
154 | _fm0node = '20s' | |
155 | _fm0fsize = _calcsize(_fm0fixed) |
|
155 | _fm0fsize = _calcsize(_fm0fixed) | |
156 | _fm0fnodesize = _calcsize(_fm0node) |
|
156 | _fm0fnodesize = _calcsize(_fm0node) | |
157 |
|
157 | |||
158 | def _fm0readmarkers(data, off): |
|
158 | def _fm0readmarkers(data, off): | |
159 | # Loop on markers |
|
159 | # Loop on markers | |
160 | l = len(data) |
|
160 | l = len(data) | |
161 | while off + _fm0fsize <= l: |
|
161 | while off + _fm0fsize <= l: | |
162 | # read fixed part |
|
162 | # read fixed part | |
163 | cur = data[off:off + _fm0fsize] |
|
163 | cur = data[off:off + _fm0fsize] | |
164 | off += _fm0fsize |
|
164 | off += _fm0fsize | |
165 | numsuc, mdsize, flags, pre = _unpack(_fm0fixed, cur) |
|
165 | numsuc, mdsize, flags, pre = _unpack(_fm0fixed, cur) | |
166 | # read replacement |
|
166 | # read replacement | |
167 | sucs = () |
|
167 | sucs = () | |
168 | if numsuc: |
|
168 | if numsuc: | |
169 | s = (_fm0fnodesize * numsuc) |
|
169 | s = (_fm0fnodesize * numsuc) | |
170 | cur = data[off:off + s] |
|
170 | cur = data[off:off + s] | |
171 | sucs = _unpack(_fm0node * numsuc, cur) |
|
171 | sucs = _unpack(_fm0node * numsuc, cur) | |
172 | off += s |
|
172 | off += s | |
173 | # read metadata |
|
173 | # read metadata | |
174 | # (metadata will be decoded on demand) |
|
174 | # (metadata will be decoded on demand) | |
175 | metadata = data[off:off + mdsize] |
|
175 | metadata = data[off:off + mdsize] | |
176 | if len(metadata) != mdsize: |
|
176 | if len(metadata) != mdsize: | |
177 | raise error.Abort(_('parsing obsolete marker: metadata is too ' |
|
177 | raise error.Abort(_('parsing obsolete marker: metadata is too ' | |
178 | 'short, %d bytes expected, got %d') |
|
178 | 'short, %d bytes expected, got %d') | |
179 | % (mdsize, len(metadata))) |
|
179 | % (mdsize, len(metadata))) | |
180 | off += mdsize |
|
180 | off += mdsize | |
181 | metadata = _fm0decodemeta(metadata) |
|
181 | metadata = _fm0decodemeta(metadata) | |
182 | try: |
|
182 | try: | |
183 | when, offset = metadata.pop('date', '0 0').split(' ') |
|
183 | when, offset = metadata.pop('date', '0 0').split(' ') | |
184 | date = float(when), int(offset) |
|
184 | date = float(when), int(offset) | |
185 | except ValueError: |
|
185 | except ValueError: | |
186 | date = (0., 0) |
|
186 | date = (0., 0) | |
187 | parents = None |
|
187 | parents = None | |
188 | if 'p2' in metadata: |
|
188 | if 'p2' in metadata: | |
189 | parents = (metadata.pop('p1', None), metadata.pop('p2', None)) |
|
189 | parents = (metadata.pop('p1', None), metadata.pop('p2', None)) | |
190 | elif 'p1' in metadata: |
|
190 | elif 'p1' in metadata: | |
191 | parents = (metadata.pop('p1', None),) |
|
191 | parents = (metadata.pop('p1', None),) | |
192 | elif 'p0' in metadata: |
|
192 | elif 'p0' in metadata: | |
193 | parents = () |
|
193 | parents = () | |
194 | if parents is not None: |
|
194 | if parents is not None: | |
195 | try: |
|
195 | try: | |
196 | parents = tuple(node.bin(p) for p in parents) |
|
196 | parents = tuple(node.bin(p) for p in parents) | |
197 | # if parent content is not a nodeid, drop the data |
|
197 | # if parent content is not a nodeid, drop the data | |
198 | for p in parents: |
|
198 | for p in parents: | |
199 | if len(p) != 20: |
|
199 | if len(p) != 20: | |
200 | parents = None |
|
200 | parents = None | |
201 | break |
|
201 | break | |
202 | except TypeError: |
|
202 | except TypeError: | |
203 | # if content cannot be translated to nodeid drop the data. |
|
203 | # if content cannot be translated to nodeid drop the data. | |
204 | parents = None |
|
204 | parents = None | |
205 |
|
205 | |||
206 | metadata = tuple(sorted(metadata.iteritems())) |
|
206 | metadata = tuple(sorted(metadata.iteritems())) | |
207 |
|
207 | |||
208 | yield (pre, sucs, flags, metadata, date, parents) |
|
208 | yield (pre, sucs, flags, metadata, date, parents) | |
209 |
|
209 | |||
210 | def _fm0encodeonemarker(marker): |
|
210 | def _fm0encodeonemarker(marker): | |
211 | pre, sucs, flags, metadata, date, parents = marker |
|
211 | pre, sucs, flags, metadata, date, parents = marker | |
212 | if flags & usingsha256: |
|
212 | if flags & usingsha256: | |
213 | raise error.Abort(_('cannot handle sha256 with old obsstore format')) |
|
213 | raise error.Abort(_('cannot handle sha256 with old obsstore format')) | |
214 | metadata = dict(metadata) |
|
214 | metadata = dict(metadata) | |
215 | time, tz = date |
|
215 | time, tz = date | |
216 | metadata['date'] = '%r %i' % (time, tz) |
|
216 | metadata['date'] = '%r %i' % (time, tz) | |
217 | if parents is not None: |
|
217 | if parents is not None: | |
218 | if not parents: |
|
218 | if not parents: | |
219 | # mark that we explicitly recorded no parents |
|
219 | # mark that we explicitly recorded no parents | |
220 | metadata['p0'] = '' |
|
220 | metadata['p0'] = '' | |
221 | for i, p in enumerate(parents): |
|
221 | for i, p in enumerate(parents): | |
222 | metadata['p%i' % (i + 1)] = node.hex(p) |
|
222 | metadata['p%i' % (i + 1)] = node.hex(p) | |
223 | metadata = _fm0encodemeta(metadata) |
|
223 | metadata = _fm0encodemeta(metadata) | |
224 | numsuc = len(sucs) |
|
224 | numsuc = len(sucs) | |
225 | format = _fm0fixed + (_fm0node * numsuc) |
|
225 | format = _fm0fixed + (_fm0node * numsuc) | |
226 | data = [numsuc, len(metadata), flags, pre] |
|
226 | data = [numsuc, len(metadata), flags, pre] | |
227 | data.extend(sucs) |
|
227 | data.extend(sucs) | |
228 | return _pack(format, *data) + metadata |
|
228 | return _pack(format, *data) + metadata | |
229 |
|
229 | |||
230 | def _fm0encodemeta(meta): |
|
230 | def _fm0encodemeta(meta): | |
231 | """Return encoded metadata string to string mapping. |
|
231 | """Return encoded metadata string to string mapping. | |
232 |
|
232 | |||
233 | Assume no ':' in key and no '\0' in both key and value.""" |
|
233 | Assume no ':' in key and no '\0' in both key and value.""" | |
234 | for key, value in meta.iteritems(): |
|
234 | for key, value in meta.iteritems(): | |
235 | if ':' in key or '\0' in key: |
|
235 | if ':' in key or '\0' in key: | |
236 | raise ValueError("':' and '\0' are forbidden in metadata key'") |
|
236 | raise ValueError("':' and '\0' are forbidden in metadata key'") | |
237 | if '\0' in value: |
|
237 | if '\0' in value: | |
238 | raise ValueError("':' is forbidden in metadata value'") |
|
238 | raise ValueError("':' is forbidden in metadata value'") | |
239 | return '\0'.join(['%s:%s' % (k, meta[k]) for k in sorted(meta)]) |
|
239 | return '\0'.join(['%s:%s' % (k, meta[k]) for k in sorted(meta)]) | |
240 |
|
240 | |||
241 | def _fm0decodemeta(data): |
|
241 | def _fm0decodemeta(data): | |
242 | """Return string to string dictionary from encoded version.""" |
|
242 | """Return string to string dictionary from encoded version.""" | |
243 | d = {} |
|
243 | d = {} | |
244 | for l in data.split('\0'): |
|
244 | for l in data.split('\0'): | |
245 | if l: |
|
245 | if l: | |
246 | key, value = l.split(':') |
|
246 | key, value = l.split(':') | |
247 | d[key] = value |
|
247 | d[key] = value | |
248 | return d |
|
248 | return d | |
249 |
|
249 | |||
250 | ## Parsing and writing of version "1" |
|
250 | ## Parsing and writing of version "1" | |
251 | # |
|
251 | # | |
252 | # The header is followed by the markers. Each marker is made of: |
|
252 | # The header is followed by the markers. Each marker is made of: | |
253 | # |
|
253 | # | |
254 | # - uint32: total size of the marker (including this field) |
|
254 | # - uint32: total size of the marker (including this field) | |
255 | # |
|
255 | # | |
256 | # - float64: date in seconds since epoch |
|
256 | # - float64: date in seconds since epoch | |
257 | # |
|
257 | # | |
258 | # - int16: timezone offset in minutes |
|
258 | # - int16: timezone offset in minutes | |
259 | # |
|
259 | # | |
260 | # - uint16: a bit field. It is reserved for flags used in common |
|
260 | # - uint16: a bit field. It is reserved for flags used in common | |
261 | # obsolete marker operations, to avoid repeated decoding of metadata |
|
261 | # obsolete marker operations, to avoid repeated decoding of metadata | |
262 | # entries. |
|
262 | # entries. | |
263 | # |
|
263 | # | |
264 | # - uint8: number of successors "N", can be zero. |
|
264 | # - uint8: number of successors "N", can be zero. | |
265 | # |
|
265 | # | |
266 | # - uint8: number of parents "P", can be zero. |
|
266 | # - uint8: number of parents "P", can be zero. | |
267 | # |
|
267 | # | |
268 | # 0: parents data stored but no parent, |
|
268 | # 0: parents data stored but no parent, | |
269 | # 1: one parent stored, |
|
269 | # 1: one parent stored, | |
270 | # 2: two parents stored, |
|
270 | # 2: two parents stored, | |
271 | # 3: no parent data stored |
|
271 | # 3: no parent data stored | |
272 | # |
|
272 | # | |
273 | # - uint8: number of metadata entries M |
|
273 | # - uint8: number of metadata entries M | |
274 | # |
|
274 | # | |
275 | # - 20 or 32 bytes: precursor changeset identifier. |
|
275 | # - 20 or 32 bytes: precursor changeset identifier. | |
276 | # |
|
276 | # | |
277 | # - N*(20 or 32) bytes: successors changesets identifiers. |
|
277 | # - N*(20 or 32) bytes: successors changesets identifiers. | |
278 | # |
|
278 | # | |
279 | # - P*(20 or 32) bytes: parents of the precursors changesets. |
|
279 | # - P*(20 or 32) bytes: parents of the precursors changesets. | |
280 | # |
|
280 | # | |
281 | # - M*(uint8, uint8): size of all metadata entries (key and value) |
|
281 | # - M*(uint8, uint8): size of all metadata entries (key and value) | |
282 | # |
|
282 | # | |
283 | # - remaining bytes: the metadata, each (key, value) pair after the other. |
|
283 | # - remaining bytes: the metadata, each (key, value) pair after the other. | |
284 | _fm1version = 1 |
|
284 | _fm1version = 1 | |
285 | _fm1fixed = '>IdhHBBB20s' |
|
285 | _fm1fixed = '>IdhHBBB20s' | |
286 | _fm1nodesha1 = '20s' |
|
286 | _fm1nodesha1 = '20s' | |
287 | _fm1nodesha256 = '32s' |
|
287 | _fm1nodesha256 = '32s' | |
288 | _fm1nodesha1size = _calcsize(_fm1nodesha1) |
|
288 | _fm1nodesha1size = _calcsize(_fm1nodesha1) | |
289 | _fm1nodesha256size = _calcsize(_fm1nodesha256) |
|
289 | _fm1nodesha256size = _calcsize(_fm1nodesha256) | |
290 | _fm1fsize = _calcsize(_fm1fixed) |
|
290 | _fm1fsize = _calcsize(_fm1fixed) | |
291 | _fm1parentnone = 3 |
|
291 | _fm1parentnone = 3 | |
292 | _fm1parentshift = 14 |
|
292 | _fm1parentshift = 14 | |
293 | _fm1parentmask = (_fm1parentnone << _fm1parentshift) |
|
293 | _fm1parentmask = (_fm1parentnone << _fm1parentshift) | |
294 | _fm1metapair = 'BB' |
|
294 | _fm1metapair = 'BB' | |
295 | _fm1metapairsize = _calcsize('BB') |
|
295 | _fm1metapairsize = _calcsize('BB') | |
296 |
|
296 | |||
297 | def _fm1purereadmarkers(data, off): |
|
297 | def _fm1purereadmarkers(data, off): | |
298 | # make some global constants local for performance |
|
298 | # make some global constants local for performance | |
299 | noneflag = _fm1parentnone |
|
299 | noneflag = _fm1parentnone | |
300 | sha2flag = usingsha256 |
|
300 | sha2flag = usingsha256 | |
301 | sha1size = _fm1nodesha1size |
|
301 | sha1size = _fm1nodesha1size | |
302 | sha2size = _fm1nodesha256size |
|
302 | sha2size = _fm1nodesha256size | |
303 | sha1fmt = _fm1nodesha1 |
|
303 | sha1fmt = _fm1nodesha1 | |
304 | sha2fmt = _fm1nodesha256 |
|
304 | sha2fmt = _fm1nodesha256 | |
305 | metasize = _fm1metapairsize |
|
305 | metasize = _fm1metapairsize | |
306 | metafmt = _fm1metapair |
|
306 | metafmt = _fm1metapair | |
307 | fsize = _fm1fsize |
|
307 | fsize = _fm1fsize | |
308 | unpack = _unpack |
|
308 | unpack = _unpack | |
309 |
|
309 | |||
310 | # Loop on markers |
|
310 | # Loop on markers | |
311 | stop = len(data) - _fm1fsize |
|
311 | stop = len(data) - _fm1fsize | |
312 | ufixed = struct.Struct(_fm1fixed).unpack |
|
312 | ufixed = struct.Struct(_fm1fixed).unpack | |
313 |
|
313 | |||
314 | while off <= stop: |
|
314 | while off <= stop: | |
315 | # read fixed part |
|
315 | # read fixed part | |
316 | o1 = off + fsize |
|
316 | o1 = off + fsize | |
317 | t, secs, tz, flags, numsuc, numpar, nummeta, prec = ufixed(data[off:o1]) |
|
317 | t, secs, tz, flags, numsuc, numpar, nummeta, prec = ufixed(data[off:o1]) | |
318 |
|
318 | |||
319 | if flags & sha2flag: |
|
319 | if flags & sha2flag: | |
320 | # FIXME: prec was read as a SHA1, needs to be amended |
|
320 | # FIXME: prec was read as a SHA1, needs to be amended | |
321 |
|
321 | |||
322 | # read 0 or more successors |
|
322 | # read 0 or more successors | |
323 | if numsuc == 1: |
|
323 | if numsuc == 1: | |
324 | o2 = o1 + sha2size |
|
324 | o2 = o1 + sha2size | |
325 | sucs = (data[o1:o2],) |
|
325 | sucs = (data[o1:o2],) | |
326 | else: |
|
326 | else: | |
327 | o2 = o1 + sha2size * numsuc |
|
327 | o2 = o1 + sha2size * numsuc | |
328 | sucs = unpack(sha2fmt * numsuc, data[o1:o2]) |
|
328 | sucs = unpack(sha2fmt * numsuc, data[o1:o2]) | |
329 |
|
329 | |||
330 | # read parents |
|
330 | # read parents | |
331 | if numpar == noneflag: |
|
331 | if numpar == noneflag: | |
332 | o3 = o2 |
|
332 | o3 = o2 | |
333 | parents = None |
|
333 | parents = None | |
334 | elif numpar == 1: |
|
334 | elif numpar == 1: | |
335 | o3 = o2 + sha2size |
|
335 | o3 = o2 + sha2size | |
336 | parents = (data[o2:o3],) |
|
336 | parents = (data[o2:o3],) | |
337 | else: |
|
337 | else: | |
338 | o3 = o2 + sha2size * numpar |
|
338 | o3 = o2 + sha2size * numpar | |
339 | parents = unpack(sha2fmt * numpar, data[o2:o3]) |
|
339 | parents = unpack(sha2fmt * numpar, data[o2:o3]) | |
340 | else: |
|
340 | else: | |
341 | # read 0 or more successors |
|
341 | # read 0 or more successors | |
342 | if numsuc == 1: |
|
342 | if numsuc == 1: | |
343 | o2 = o1 + sha1size |
|
343 | o2 = o1 + sha1size | |
344 | sucs = (data[o1:o2],) |
|
344 | sucs = (data[o1:o2],) | |
345 | else: |
|
345 | else: | |
346 | o2 = o1 + sha1size * numsuc |
|
346 | o2 = o1 + sha1size * numsuc | |
347 | sucs = unpack(sha1fmt * numsuc, data[o1:o2]) |
|
347 | sucs = unpack(sha1fmt * numsuc, data[o1:o2]) | |
348 |
|
348 | |||
349 | # read parents |
|
349 | # read parents | |
350 | if numpar == noneflag: |
|
350 | if numpar == noneflag: | |
351 | o3 = o2 |
|
351 | o3 = o2 | |
352 | parents = None |
|
352 | parents = None | |
353 | elif numpar == 1: |
|
353 | elif numpar == 1: | |
354 | o3 = o2 + sha1size |
|
354 | o3 = o2 + sha1size | |
355 | parents = (data[o2:o3],) |
|
355 | parents = (data[o2:o3],) | |
356 | else: |
|
356 | else: | |
357 | o3 = o2 + sha1size * numpar |
|
357 | o3 = o2 + sha1size * numpar | |
358 | parents = unpack(sha1fmt * numpar, data[o2:o3]) |
|
358 | parents = unpack(sha1fmt * numpar, data[o2:o3]) | |
359 |
|
359 | |||
360 | # read metadata |
|
360 | # read metadata | |
361 | off = o3 + metasize * nummeta |
|
361 | off = o3 + metasize * nummeta | |
362 | metapairsize = unpack('>' + (metafmt * nummeta), data[o3:off]) |
|
362 | metapairsize = unpack('>' + (metafmt * nummeta), data[o3:off]) | |
363 | metadata = [] |
|
363 | metadata = [] | |
364 | for idx in xrange(0, len(metapairsize), 2): |
|
364 | for idx in xrange(0, len(metapairsize), 2): | |
365 | o1 = off + metapairsize[idx] |
|
365 | o1 = off + metapairsize[idx] | |
366 | o2 = o1 + metapairsize[idx + 1] |
|
366 | o2 = o1 + metapairsize[idx + 1] | |
367 | metadata.append((data[off:o1], data[o1:o2])) |
|
367 | metadata.append((data[off:o1], data[o1:o2])) | |
368 | off = o2 |
|
368 | off = o2 | |
369 |
|
369 | |||
370 | yield (prec, sucs, flags, tuple(metadata), (secs, tz * 60), parents) |
|
370 | yield (prec, sucs, flags, tuple(metadata), (secs, tz * 60), parents) | |
371 |
|
371 | |||
372 | def _fm1encodeonemarker(marker): |
|
372 | def _fm1encodeonemarker(marker): | |
373 | pre, sucs, flags, metadata, date, parents = marker |
|
373 | pre, sucs, flags, metadata, date, parents = marker | |
374 | # determine node size |
|
374 | # determine node size | |
375 | _fm1node = _fm1nodesha1 |
|
375 | _fm1node = _fm1nodesha1 | |
376 | if flags & usingsha256: |
|
376 | if flags & usingsha256: | |
377 | _fm1node = _fm1nodesha256 |
|
377 | _fm1node = _fm1nodesha256 | |
378 | numsuc = len(sucs) |
|
378 | numsuc = len(sucs) | |
379 | numextranodes = numsuc |
|
379 | numextranodes = numsuc | |
380 | if parents is None: |
|
380 | if parents is None: | |
381 | numpar = _fm1parentnone |
|
381 | numpar = _fm1parentnone | |
382 | else: |
|
382 | else: | |
383 | numpar = len(parents) |
|
383 | numpar = len(parents) | |
384 | numextranodes += numpar |
|
384 | numextranodes += numpar | |
385 | formatnodes = _fm1node * numextranodes |
|
385 | formatnodes = _fm1node * numextranodes | |
386 | formatmeta = _fm1metapair * len(metadata) |
|
386 | formatmeta = _fm1metapair * len(metadata) | |
387 | format = _fm1fixed + formatnodes + formatmeta |
|
387 | format = _fm1fixed + formatnodes + formatmeta | |
388 | # tz is stored in minutes so we divide by 60 |
|
388 | # tz is stored in minutes so we divide by 60 | |
389 | tz = date[1]//60 |
|
389 | tz = date[1]//60 | |
390 | data = [None, date[0], tz, flags, numsuc, numpar, len(metadata), pre] |
|
390 | data = [None, date[0], tz, flags, numsuc, numpar, len(metadata), pre] | |
391 | data.extend(sucs) |
|
391 | data.extend(sucs) | |
392 | if parents is not None: |
|
392 | if parents is not None: | |
393 | data.extend(parents) |
|
393 | data.extend(parents) | |
394 | totalsize = _calcsize(format) |
|
394 | totalsize = _calcsize(format) | |
395 | for key, value in metadata: |
|
395 | for key, value in metadata: | |
396 | lk = len(key) |
|
396 | lk = len(key) | |
397 | lv = len(value) |
|
397 | lv = len(value) | |
398 | data.append(lk) |
|
398 | data.append(lk) | |
399 | data.append(lv) |
|
399 | data.append(lv) | |
400 | totalsize += lk + lv |
|
400 | totalsize += lk + lv | |
401 | data[0] = totalsize |
|
401 | data[0] = totalsize | |
402 | data = [_pack(format, *data)] |
|
402 | data = [_pack(format, *data)] | |
403 | for key, value in metadata: |
|
403 | for key, value in metadata: | |
404 | data.append(key) |
|
404 | data.append(key) | |
405 | data.append(value) |
|
405 | data.append(value) | |
406 | return ''.join(data) |
|
406 | return ''.join(data) | |
407 |
|
407 | |||
408 | def _fm1readmarkers(data, off): |
|
408 | def _fm1readmarkers(data, off): | |
409 | native = getattr(parsers, 'fm1readmarkers', None) |
|
409 | native = getattr(parsers, 'fm1readmarkers', None) | |
410 | if not native: |
|
410 | if not native: | |
411 | return _fm1purereadmarkers(data, off) |
|
411 | return _fm1purereadmarkers(data, off) | |
412 | stop = len(data) - _fm1fsize |
|
412 | stop = len(data) - _fm1fsize | |
413 | return native(data, off, stop) |
|
413 | return native(data, off, stop) | |
414 |
|
414 | |||
415 | # mapping to read/write various marker formats |
|
415 | # mapping to read/write various marker formats | |
416 | # <version> -> (decoder, encoder) |
|
416 | # <version> -> (decoder, encoder) | |
417 | formats = {_fm0version: (_fm0readmarkers, _fm0encodeonemarker), |
|
417 | formats = {_fm0version: (_fm0readmarkers, _fm0encodeonemarker), | |
418 | _fm1version: (_fm1readmarkers, _fm1encodeonemarker)} |
|
418 | _fm1version: (_fm1readmarkers, _fm1encodeonemarker)} | |
419 |
|
419 | |||
420 | @util.nogc |
|
420 | @util.nogc | |
421 | def _readmarkers(data): |
|
421 | def _readmarkers(data): | |
422 | """Read and enumerate markers from raw data""" |
|
422 | """Read and enumerate markers from raw data""" | |
423 | off = 0 |
|
423 | off = 0 | |
424 | diskversion = _unpack('>B', data[off:off + 1])[0] |
|
424 | diskversion = _unpack('>B', data[off:off + 1])[0] | |
425 | off += 1 |
|
425 | off += 1 | |
426 | if diskversion not in formats: |
|
426 | if diskversion not in formats: | |
427 | raise error.Abort(_('parsing obsolete marker: unknown version %r') |
|
427 | raise error.Abort(_('parsing obsolete marker: unknown version %r') | |
428 | % diskversion) |
|
428 | % diskversion) | |
429 | return diskversion, formats[diskversion][0](data, off) |
|
429 | return diskversion, formats[diskversion][0](data, off) | |
430 |
|
430 | |||
431 | def encodemarkers(markers, addheader=False, version=_fm0version): |
|
431 | def encodemarkers(markers, addheader=False, version=_fm0version): | |
432 | # Kept separate from flushmarkers(), it will be reused for |
|
432 | # Kept separate from flushmarkers(), it will be reused for | |
433 | # markers exchange. |
|
433 | # markers exchange. | |
434 | encodeone = formats[version][1] |
|
434 | encodeone = formats[version][1] | |
435 | if addheader: |
|
435 | if addheader: | |
436 | yield _pack('>B', version) |
|
436 | yield _pack('>B', version) | |
437 | for marker in markers: |
|
437 | for marker in markers: | |
438 | yield encodeone(marker) |
|
438 | yield encodeone(marker) | |
439 |
|
439 | |||
440 |
|
440 | |||
441 | class marker(object): |
|
441 | class marker(object): | |
442 | """Wrap obsolete marker raw data""" |
|
442 | """Wrap obsolete marker raw data""" | |
443 |
|
443 | |||
444 | def __init__(self, repo, data): |
|
444 | def __init__(self, repo, data): | |
445 | # the repo argument will be used to create changectx in later version |
|
445 | # the repo argument will be used to create changectx in later version | |
446 | self._repo = repo |
|
446 | self._repo = repo | |
447 | self._data = data |
|
447 | self._data = data | |
448 | self._decodedmeta = None |
|
448 | self._decodedmeta = None | |
449 |
|
449 | |||
450 | def __hash__(self): |
|
450 | def __hash__(self): | |
451 | return hash(self._data) |
|
451 | return hash(self._data) | |
452 |
|
452 | |||
453 | def __eq__(self, other): |
|
453 | def __eq__(self, other): | |
454 | if type(other) != type(self): |
|
454 | if type(other) != type(self): | |
455 | return False |
|
455 | return False | |
456 | return self._data == other._data |
|
456 | return self._data == other._data | |
457 |
|
457 | |||
458 | def precnode(self): |
|
458 | def precnode(self): | |
459 | """Precursor changeset node identifier""" |
|
459 | """Precursor changeset node identifier""" | |
460 | return self._data[0] |
|
460 | return self._data[0] | |
461 |
|
461 | |||
462 | def succnodes(self): |
|
462 | def succnodes(self): | |
463 | """List of successor changesets node identifiers""" |
|
463 | """List of successor changesets node identifiers""" | |
464 | return self._data[1] |
|
464 | return self._data[1] | |
465 |
|
465 | |||
466 | def parentnodes(self): |
|
466 | def parentnodes(self): | |
467 | """Parents of the precursors (None if not recorded)""" |
|
467 | """Parents of the precursors (None if not recorded)""" | |
468 | return self._data[5] |
|
468 | return self._data[5] | |
469 |
|
469 | |||
470 | def metadata(self): |
|
470 | def metadata(self): | |
471 | """Decoded metadata dictionary""" |
|
471 | """Decoded metadata dictionary""" | |
472 | return dict(self._data[3]) |
|
472 | return dict(self._data[3]) | |
473 |
|
473 | |||
474 | def date(self): |
|
474 | def date(self): | |
475 | """Creation date as (unixtime, offset)""" |
|
475 | """Creation date as (unixtime, offset)""" | |
476 | return self._data[4] |
|
476 | return self._data[4] | |
477 |
|
477 | |||
478 | def flags(self): |
|
478 | def flags(self): | |
479 | """The flags field of the marker""" |
|
479 | """The flags field of the marker""" | |
480 | return self._data[2] |
|
480 | return self._data[2] | |
481 |
|
481 | |||
482 | @util.nogc |
|
482 | @util.nogc | |
483 | def _addsuccessors(successors, markers): |
|
483 | def _addsuccessors(successors, markers): | |
484 | for mark in markers: |
|
484 | for mark in markers: | |
485 | successors.setdefault(mark[0], set()).add(mark) |
|
485 | successors.setdefault(mark[0], set()).add(mark) | |
486 |
|
486 | |||
487 | @util.nogc |
|
487 | @util.nogc | |
488 | def _addprecursors(precursors, markers): |
|
488 | def _addprecursors(precursors, markers): | |
489 | for mark in markers: |
|
489 | for mark in markers: | |
490 | for suc in mark[1]: |
|
490 | for suc in mark[1]: | |
491 | precursors.setdefault(suc, set()).add(mark) |
|
491 | precursors.setdefault(suc, set()).add(mark) | |
492 |
|
492 | |||
493 | @util.nogc |
|
493 | @util.nogc | |
494 | def _addchildren(children, markers): |
|
494 | def _addchildren(children, markers): | |
495 | for mark in markers: |
|
495 | for mark in markers: | |
496 | parents = mark[5] |
|
496 | parents = mark[5] | |
497 | if parents is not None: |
|
497 | if parents is not None: | |
498 | for p in parents: |
|
498 | for p in parents: | |
499 | children.setdefault(p, set()).add(mark) |
|
499 | children.setdefault(p, set()).add(mark) | |
500 |
|
500 | |||
501 | def _checkinvalidmarkers(markers): |
|
501 | def _checkinvalidmarkers(markers): | |
502 | """search for marker with invalid data and raise error if needed |
|
502 | """search for marker with invalid data and raise error if needed | |
503 |
|
503 | |||
504 | Exist as a separated function to allow the evolve extension for a more |
|
504 | Exist as a separated function to allow the evolve extension for a more | |
505 | subtle handling. |
|
505 | subtle handling. | |
506 | """ |
|
506 | """ | |
507 | for mark in markers: |
|
507 | for mark in markers: | |
508 | if node.nullid in mark[1]: |
|
508 | if node.nullid in mark[1]: | |
509 | raise error.Abort(_('bad obsolescence marker detected: ' |
|
509 | raise error.Abort(_('bad obsolescence marker detected: ' | |
510 | 'invalid successors nullid')) |
|
510 | 'invalid successors nullid')) | |
511 |
|
511 | |||
512 | class obsstore(object): |
|
512 | class obsstore(object): | |
513 | """Store obsolete markers |
|
513 | """Store obsolete markers | |
514 |
|
514 | |||
515 | Markers can be accessed with two mappings: |
|
515 | Markers can be accessed with two mappings: | |
516 | - precursors[x] -> set(markers on precursors edges of x) |
|
516 | - precursors[x] -> set(markers on precursors edges of x) | |
517 | - successors[x] -> set(markers on successors edges of x) |
|
517 | - successors[x] -> set(markers on successors edges of x) | |
518 | - children[x] -> set(markers on precursors edges of children(x) |
|
518 | - children[x] -> set(markers on precursors edges of children(x) | |
519 | """ |
|
519 | """ | |
520 |
|
520 | |||
521 | fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents') |
|
521 | fields = ('prec', 'succs', 'flag', 'meta', 'date', 'parents') | |
522 | # prec: nodeid, precursor changesets |
|
522 | # prec: nodeid, precursor changesets | |
523 | # succs: tuple of nodeid, successor changesets (0-N length) |
|
523 | # succs: tuple of nodeid, successor changesets (0-N length) | |
524 | # flag: integer, flag field carrying modifier for the markers (see doc) |
|
524 | # flag: integer, flag field carrying modifier for the markers (see doc) | |
525 | # meta: binary blob, encoded metadata dictionary |
|
525 | # meta: binary blob, encoded metadata dictionary | |
526 | # date: (float, int) tuple, date of marker creation |
|
526 | # date: (float, int) tuple, date of marker creation | |
527 | # parents: (tuple of nodeid) or None, parents of precursors |
|
527 | # parents: (tuple of nodeid) or None, parents of precursors | |
528 | # None is used when no data has been recorded |
|
528 | # None is used when no data has been recorded | |
529 |
|
529 | |||
530 | def __init__(self, svfs, defaultformat=_fm1version, readonly=False): |
|
530 | def __init__(self, svfs, defaultformat=_fm1version, readonly=False): | |
531 | # caches for various obsolescence related cache |
|
531 | # caches for various obsolescence related cache | |
532 | self.caches = {} |
|
532 | self.caches = {} | |
533 | self.svfs = svfs |
|
533 | self.svfs = svfs | |
534 | self._version = defaultformat |
|
534 | self._version = defaultformat | |
535 | self._readonly = readonly |
|
535 | self._readonly = readonly | |
536 |
|
536 | |||
537 | def __iter__(self): |
|
537 | def __iter__(self): | |
538 | return iter(self._all) |
|
538 | return iter(self._all) | |
539 |
|
539 | |||
540 | def __len__(self): |
|
540 | def __len__(self): | |
541 | return len(self._all) |
|
541 | return len(self._all) | |
542 |
|
542 | |||
543 | def __nonzero__(self): |
|
543 | def __nonzero__(self): | |
544 | if not self._cached('_all'): |
|
544 | if not self._cached('_all'): | |
545 | try: |
|
545 | try: | |
546 | return self.svfs.stat('obsstore').st_size > 1 |
|
546 | return self.svfs.stat('obsstore').st_size > 1 | |
547 | except OSError as inst: |
|
547 | except OSError as inst: | |
548 | if inst.errno != errno.ENOENT: |
|
548 | if inst.errno != errno.ENOENT: | |
549 | raise |
|
549 | raise | |
550 | # just build an empty _all list if no obsstore exists, which |
|
550 | # just build an empty _all list if no obsstore exists, which | |
551 | # avoids further stat() syscalls |
|
551 | # avoids further stat() syscalls | |
552 | pass |
|
552 | pass | |
553 | return bool(self._all) |
|
553 | return bool(self._all) | |
554 |
|
554 | |||
555 | __bool__ = __nonzero__ |
|
555 | __bool__ = __nonzero__ | |
556 |
|
556 | |||
557 | @property |
|
557 | @property | |
558 | def readonly(self): |
|
558 | def readonly(self): | |
559 | """True if marker creation is disabled |
|
559 | """True if marker creation is disabled | |
560 |
|
560 | |||
561 | Remove me in the future when obsolete marker is always on.""" |
|
561 | Remove me in the future when obsolete marker is always on.""" | |
562 | return self._readonly |
|
562 | return self._readonly | |
563 |
|
563 | |||
564 | def create(self, transaction, prec, succs=(), flag=0, parents=None, |
|
564 | def create(self, transaction, prec, succs=(), flag=0, parents=None, | |
565 | date=None, metadata=None): |
|
565 | date=None, metadata=None): | |
566 | """obsolete: add a new obsolete marker |
|
566 | """obsolete: add a new obsolete marker | |
567 |
|
567 | |||
568 | * ensuring it is hashable |
|
568 | * ensuring it is hashable | |
569 | * check mandatory metadata |
|
569 | * check mandatory metadata | |
570 | * encode metadata |
|
570 | * encode metadata | |
571 |
|
571 | |||
572 | If you are a human writing code creating marker you want to use the |
|
572 | If you are a human writing code creating marker you want to use the | |
573 | `createmarkers` function in this module instead. |
|
573 | `createmarkers` function in this module instead. | |
574 |
|
574 | |||
575 | return True if a new marker have been added, False if the markers |
|
575 | return True if a new marker have been added, False if the markers | |
576 | already existed (no op). |
|
576 | already existed (no op). | |
577 | """ |
|
577 | """ | |
578 | if metadata is None: |
|
578 | if metadata is None: | |
579 | metadata = {} |
|
579 | metadata = {} | |
580 | if date is None: |
|
580 | if date is None: | |
581 | if 'date' in metadata: |
|
581 | if 'date' in metadata: | |
582 | # as a courtesy for out-of-tree extensions |
|
582 | # as a courtesy for out-of-tree extensions | |
583 | date = util.parsedate(metadata.pop('date')) |
|
583 | date = util.parsedate(metadata.pop('date')) | |
584 | else: |
|
584 | else: | |
585 | date = util.makedate() |
|
585 | date = util.makedate() | |
586 | if len(prec) != 20: |
|
586 | if len(prec) != 20: | |
587 | raise ValueError(prec) |
|
587 | raise ValueError(prec) | |
588 | for succ in succs: |
|
588 | for succ in succs: | |
589 | if len(succ) != 20: |
|
589 | if len(succ) != 20: | |
590 | raise ValueError(succ) |
|
590 | raise ValueError(succ) | |
591 | if prec in succs: |
|
591 | if prec in succs: | |
592 | raise ValueError(_('in-marker cycle with %s') % node.hex(prec)) |
|
592 | raise ValueError(_('in-marker cycle with %s') % node.hex(prec)) | |
593 |
|
593 | |||
594 | metadata = tuple(sorted(metadata.iteritems())) |
|
594 | metadata = tuple(sorted(metadata.iteritems())) | |
595 |
|
595 | |||
596 | marker = (str(prec), tuple(succs), int(flag), metadata, date, parents) |
|
596 | marker = (str(prec), tuple(succs), int(flag), metadata, date, parents) | |
597 | return bool(self.add(transaction, [marker])) |
|
597 | return bool(self.add(transaction, [marker])) | |
598 |
|
598 | |||
599 | def add(self, transaction, markers): |
|
599 | def add(self, transaction, markers): | |
600 | """Add new markers to the store |
|
600 | """Add new markers to the store | |
601 |
|
601 | |||
602 | Take care of filtering duplicate. |
|
602 | Take care of filtering duplicate. | |
603 | Return the number of new marker.""" |
|
603 | Return the number of new marker.""" | |
604 | if self._readonly: |
|
604 | if self._readonly: | |
605 | raise error.Abort(_('creating obsolete markers is not enabled on ' |
|
605 | raise error.Abort(_('creating obsolete markers is not enabled on ' | |
606 | 'this repo')) |
|
606 | 'this repo')) | |
607 | known = set(self._all) |
|
607 | known = set(self._all) | |
608 | new = [] |
|
608 | new = [] | |
609 | for m in markers: |
|
609 | for m in markers: | |
610 | if m not in known: |
|
610 | if m not in known: | |
611 | known.add(m) |
|
611 | known.add(m) | |
612 | new.append(m) |
|
612 | new.append(m) | |
613 | if new: |
|
613 | if new: | |
614 | f = self.svfs('obsstore', 'ab') |
|
614 | f = self.svfs('obsstore', 'ab') | |
615 | try: |
|
615 | try: | |
616 | offset = f.tell() |
|
616 | offset = f.tell() | |
617 | transaction.add('obsstore', offset) |
|
617 | transaction.add('obsstore', offset) | |
618 | # offset == 0: new file - add the version header |
|
618 | # offset == 0: new file - add the version header | |
619 | for bytes in encodemarkers(new, offset == 0, self._version): |
|
619 | for bytes in encodemarkers(new, offset == 0, self._version): | |
620 | f.write(bytes) |
|
620 | f.write(bytes) | |
621 | finally: |
|
621 | finally: | |
622 | # XXX: f.close() == filecache invalidation == obsstore rebuilt. |
|
622 | # XXX: f.close() == filecache invalidation == obsstore rebuilt. | |
623 | # call 'filecacheentry.refresh()' here |
|
623 | # call 'filecacheentry.refresh()' here | |
624 | f.close() |
|
624 | f.close() | |
625 | self._addmarkers(new) |
|
625 | self._addmarkers(new) | |
626 | # new marker *may* have changed several set. invalidate the cache. |
|
626 | # new marker *may* have changed several set. invalidate the cache. | |
627 | self.caches.clear() |
|
627 | self.caches.clear() | |
628 | # records the number of new markers for the transaction hooks |
|
628 | # records the number of new markers for the transaction hooks | |
629 | previous = int(transaction.hookargs.get('new_obsmarkers', '0')) |
|
629 | previous = int(transaction.hookargs.get('new_obsmarkers', '0')) | |
630 | transaction.hookargs['new_obsmarkers'] = str(previous + len(new)) |
|
630 | transaction.hookargs['new_obsmarkers'] = str(previous + len(new)) | |
631 | return len(new) |
|
631 | return len(new) | |
632 |
|
632 | |||
633 | def mergemarkers(self, transaction, data): |
|
633 | def mergemarkers(self, transaction, data): | |
634 | """merge a binary stream of markers inside the obsstore |
|
634 | """merge a binary stream of markers inside the obsstore | |
635 |
|
635 | |||
636 | Returns the number of new markers added.""" |
|
636 | Returns the number of new markers added.""" | |
637 | version, markers = _readmarkers(data) |
|
637 | version, markers = _readmarkers(data) | |
638 | return self.add(transaction, markers) |
|
638 | return self.add(transaction, markers) | |
639 |
|
639 | |||
640 | @propertycache |
|
640 | @propertycache | |
641 | def _all(self): |
|
641 | def _all(self): | |
642 | data = self.svfs.tryread('obsstore') |
|
642 | data = self.svfs.tryread('obsstore') | |
643 | if not data: |
|
643 | if not data: | |
644 | return [] |
|
644 | return [] | |
645 | self._version, markers = _readmarkers(data) |
|
645 | self._version, markers = _readmarkers(data) | |
646 | markers = list(markers) |
|
646 | markers = list(markers) | |
647 | _checkinvalidmarkers(markers) |
|
647 | _checkinvalidmarkers(markers) | |
648 | return markers |
|
648 | return markers | |
649 |
|
649 | |||
650 | @propertycache |
|
650 | @propertycache | |
651 | def successors(self): |
|
651 | def successors(self): | |
652 | successors = {} |
|
652 | successors = {} | |
653 | _addsuccessors(successors, self._all) |
|
653 | _addsuccessors(successors, self._all) | |
654 | return successors |
|
654 | return successors | |
655 |
|
655 | |||
656 | @propertycache |
|
656 | @propertycache | |
657 | def precursors(self): |
|
657 | def precursors(self): | |
658 | precursors = {} |
|
658 | precursors = {} | |
659 | _addprecursors(precursors, self._all) |
|
659 | _addprecursors(precursors, self._all) | |
660 | return precursors |
|
660 | return precursors | |
661 |
|
661 | |||
662 | @propertycache |
|
662 | @propertycache | |
663 | def children(self): |
|
663 | def children(self): | |
664 | children = {} |
|
664 | children = {} | |
665 | _addchildren(children, self._all) |
|
665 | _addchildren(children, self._all) | |
666 | return children |
|
666 | return children | |
667 |
|
667 | |||
668 | def _cached(self, attr): |
|
668 | def _cached(self, attr): | |
669 | return attr in self.__dict__ |
|
669 | return attr in self.__dict__ | |
670 |
|
670 | |||
671 | def _addmarkers(self, markers): |
|
671 | def _addmarkers(self, markers): | |
672 | markers = list(markers) # to allow repeated iteration |
|
672 | markers = list(markers) # to allow repeated iteration | |
673 | self._all.extend(markers) |
|
673 | self._all.extend(markers) | |
674 | if self._cached('successors'): |
|
674 | if self._cached('successors'): | |
675 | _addsuccessors(self.successors, markers) |
|
675 | _addsuccessors(self.successors, markers) | |
676 | if self._cached('precursors'): |
|
676 | if self._cached('precursors'): | |
677 | _addprecursors(self.precursors, markers) |
|
677 | _addprecursors(self.precursors, markers) | |
678 | if self._cached('children'): |
|
678 | if self._cached('children'): | |
679 | _addchildren(self.children, markers) |
|
679 | _addchildren(self.children, markers) | |
680 | _checkinvalidmarkers(markers) |
|
680 | _checkinvalidmarkers(markers) | |
681 |
|
681 | |||
682 | def relevantmarkers(self, nodes): |
|
682 | def relevantmarkers(self, nodes): | |
683 | """return a set of all obsolescence markers relevant to a set of nodes. |
|
683 | """return a set of all obsolescence markers relevant to a set of nodes. | |
684 |
|
684 | |||
685 | "relevant" to a set of nodes mean: |
|
685 | "relevant" to a set of nodes mean: | |
686 |
|
686 | |||
687 | - marker that use this changeset as successor |
|
687 | - marker that use this changeset as successor | |
688 | - prune marker of direct children on this changeset |
|
688 | - prune marker of direct children on this changeset | |
689 | - recursive application of the two rules on precursors of these markers |
|
689 | - recursive application of the two rules on precursors of these markers | |
690 |
|
690 | |||
691 | It is a set so you cannot rely on order.""" |
|
691 | It is a set so you cannot rely on order.""" | |
692 |
|
692 | |||
693 | pendingnodes = set(nodes) |
|
693 | pendingnodes = set(nodes) | |
694 | seenmarkers = set() |
|
694 | seenmarkers = set() | |
695 | seennodes = set(pendingnodes) |
|
695 | seennodes = set(pendingnodes) | |
696 | precursorsmarkers = self.precursors |
|
696 | precursorsmarkers = self.precursors | |
697 | children = self.children |
|
697 | children = self.children | |
698 | while pendingnodes: |
|
698 | while pendingnodes: | |
699 | direct = set() |
|
699 | direct = set() | |
700 | for current in pendingnodes: |
|
700 | for current in pendingnodes: | |
701 | direct.update(precursorsmarkers.get(current, ())) |
|
701 | direct.update(precursorsmarkers.get(current, ())) | |
702 | pruned = [m for m in children.get(current, ()) if not m[1]] |
|
702 | pruned = [m for m in children.get(current, ()) if not m[1]] | |
703 | direct.update(pruned) |
|
703 | direct.update(pruned) | |
704 | direct -= seenmarkers |
|
704 | direct -= seenmarkers | |
705 | pendingnodes = set([m[0] for m in direct]) |
|
705 | pendingnodes = set([m[0] for m in direct]) | |
706 | seenmarkers |= direct |
|
706 | seenmarkers |= direct | |
707 | pendingnodes -= seennodes |
|
707 | pendingnodes -= seennodes | |
708 | seennodes |= pendingnodes |
|
708 | seennodes |= pendingnodes | |
709 | return seenmarkers |
|
709 | return seenmarkers | |
710 |
|
710 | |||
711 | def commonversion(versions): |
|
711 | def commonversion(versions): | |
712 | """Return the newest version listed in both versions and our local formats. |
|
712 | """Return the newest version listed in both versions and our local formats. | |
713 |
|
713 | |||
714 | Returns None if no common version exists. |
|
714 | Returns None if no common version exists. | |
715 | """ |
|
715 | """ | |
716 | versions.sort(reverse=True) |
|
716 | versions.sort(reverse=True) | |
717 | # search for highest version known on both side |
|
717 | # search for highest version known on both side | |
718 | for v in versions: |
|
718 | for v in versions: | |
719 | if v in formats: |
|
719 | if v in formats: | |
720 | return v |
|
720 | return v | |
721 | return None |
|
721 | return None | |
722 |
|
722 | |||
723 | # arbitrary picked to fit into 8K limit from HTTP server |
|
723 | # arbitrary picked to fit into 8K limit from HTTP server | |
724 | # you have to take in account: |
|
724 | # you have to take in account: | |
725 | # - the version header |
|
725 | # - the version header | |
726 | # - the base85 encoding |
|
726 | # - the base85 encoding | |
727 | _maxpayload = 5300 |
|
727 | _maxpayload = 5300 | |
728 |
|
728 | |||
729 | def _pushkeyescape(markers): |
|
729 | def _pushkeyescape(markers): | |
730 | """encode markers into a dict suitable for pushkey exchange |
|
730 | """encode markers into a dict suitable for pushkey exchange | |
731 |
|
731 | |||
732 | - binary data is base85 encoded |
|
732 | - binary data is base85 encoded | |
733 | - split in chunks smaller than 5300 bytes""" |
|
733 | - split in chunks smaller than 5300 bytes""" | |
734 | keys = {} |
|
734 | keys = {} | |
735 | parts = [] |
|
735 | parts = [] | |
736 | currentlen = _maxpayload * 2 # ensure we create a new part |
|
736 | currentlen = _maxpayload * 2 # ensure we create a new part | |
737 | for marker in markers: |
|
737 | for marker in markers: | |
738 | nextdata = _fm0encodeonemarker(marker) |
|
738 | nextdata = _fm0encodeonemarker(marker) | |
739 | if (len(nextdata) + currentlen > _maxpayload): |
|
739 | if (len(nextdata) + currentlen > _maxpayload): | |
740 | currentpart = [] |
|
740 | currentpart = [] | |
741 | currentlen = 0 |
|
741 | currentlen = 0 | |
742 | parts.append(currentpart) |
|
742 | parts.append(currentpart) | |
743 | currentpart.append(nextdata) |
|
743 | currentpart.append(nextdata) | |
744 | currentlen += len(nextdata) |
|
744 | currentlen += len(nextdata) | |
745 | for idx, part in enumerate(reversed(parts)): |
|
745 | for idx, part in enumerate(reversed(parts)): | |
746 | data = ''.join([_pack('>B', _fm0version)] + part) |
|
746 | data = ''.join([_pack('>B', _fm0version)] + part) | |
747 | keys['dump%i' % idx] = base85.b85encode(data) |
|
747 | keys['dump%i' % idx] = base85.b85encode(data) | |
748 | return keys |
|
748 | return keys | |
749 |
|
749 | |||
750 | def listmarkers(repo): |
|
750 | def listmarkers(repo): | |
751 | """List markers over pushkey""" |
|
751 | """List markers over pushkey""" | |
752 | if not repo.obsstore: |
|
752 | if not repo.obsstore: | |
753 | return {} |
|
753 | return {} | |
754 | return _pushkeyescape(sorted(repo.obsstore)) |
|
754 | return _pushkeyescape(sorted(repo.obsstore)) | |
755 |
|
755 | |||
756 | def pushmarker(repo, key, old, new): |
|
756 | def pushmarker(repo, key, old, new): | |
757 | """Push markers over pushkey""" |
|
757 | """Push markers over pushkey""" | |
758 | if not key.startswith('dump'): |
|
758 | if not key.startswith('dump'): | |
759 | repo.ui.warn(_('unknown key: %r') % key) |
|
759 | repo.ui.warn(_('unknown key: %r') % key) | |
760 | return 0 |
|
760 | return 0 | |
761 | if old: |
|
761 | if old: | |
762 | repo.ui.warn(_('unexpected old value for %r') % key) |
|
762 | repo.ui.warn(_('unexpected old value for %r') % key) | |
763 | return 0 |
|
763 | return 0 | |
764 | data = base85.b85decode(new) |
|
764 | data = base85.b85decode(new) | |
765 | lock = repo.lock() |
|
765 | lock = repo.lock() | |
766 | try: |
|
766 | try: | |
767 | tr = repo.transaction('pushkey: obsolete markers') |
|
767 | tr = repo.transaction('pushkey: obsolete markers') | |
768 | try: |
|
768 | try: | |
769 | repo.obsstore.mergemarkers(tr, data) |
|
769 | repo.obsstore.mergemarkers(tr, data) | |
|
770 | repo.invalidatevolatilesets() | |||
770 | tr.close() |
|
771 | tr.close() | |
771 | return 1 |
|
772 | return 1 | |
772 | finally: |
|
773 | finally: | |
773 | tr.release() |
|
774 | tr.release() | |
774 | finally: |
|
775 | finally: | |
775 | lock.release() |
|
776 | lock.release() | |
776 |
|
777 | |||
777 | def getmarkers(repo, nodes=None): |
|
778 | def getmarkers(repo, nodes=None): | |
778 | """returns markers known in a repository |
|
779 | """returns markers known in a repository | |
779 |
|
780 | |||
780 | If <nodes> is specified, only markers "relevant" to those nodes are are |
|
781 | If <nodes> is specified, only markers "relevant" to those nodes are are | |
781 | returned""" |
|
782 | returned""" | |
782 | if nodes is None: |
|
783 | if nodes is None: | |
783 | rawmarkers = repo.obsstore |
|
784 | rawmarkers = repo.obsstore | |
784 | else: |
|
785 | else: | |
785 | rawmarkers = repo.obsstore.relevantmarkers(nodes) |
|
786 | rawmarkers = repo.obsstore.relevantmarkers(nodes) | |
786 |
|
787 | |||
787 | for markerdata in rawmarkers: |
|
788 | for markerdata in rawmarkers: | |
788 | yield marker(repo, markerdata) |
|
789 | yield marker(repo, markerdata) | |
789 |
|
790 | |||
790 | def relevantmarkers(repo, node): |
|
791 | def relevantmarkers(repo, node): | |
791 | """all obsolete markers relevant to some revision""" |
|
792 | """all obsolete markers relevant to some revision""" | |
792 | for markerdata in repo.obsstore.relevantmarkers(node): |
|
793 | for markerdata in repo.obsstore.relevantmarkers(node): | |
793 | yield marker(repo, markerdata) |
|
794 | yield marker(repo, markerdata) | |
794 |
|
795 | |||
795 |
|
796 | |||
796 | def precursormarkers(ctx): |
|
797 | def precursormarkers(ctx): | |
797 | """obsolete marker marking this changeset as a successors""" |
|
798 | """obsolete marker marking this changeset as a successors""" | |
798 | for data in ctx.repo().obsstore.precursors.get(ctx.node(), ()): |
|
799 | for data in ctx.repo().obsstore.precursors.get(ctx.node(), ()): | |
799 | yield marker(ctx.repo(), data) |
|
800 | yield marker(ctx.repo(), data) | |
800 |
|
801 | |||
801 | def successormarkers(ctx): |
|
802 | def successormarkers(ctx): | |
802 | """obsolete marker making this changeset obsolete""" |
|
803 | """obsolete marker making this changeset obsolete""" | |
803 | for data in ctx.repo().obsstore.successors.get(ctx.node(), ()): |
|
804 | for data in ctx.repo().obsstore.successors.get(ctx.node(), ()): | |
804 | yield marker(ctx.repo(), data) |
|
805 | yield marker(ctx.repo(), data) | |
805 |
|
806 | |||
806 | def allsuccessors(obsstore, nodes, ignoreflags=0): |
|
807 | def allsuccessors(obsstore, nodes, ignoreflags=0): | |
807 | """Yield node for every successor of <nodes>. |
|
808 | """Yield node for every successor of <nodes>. | |
808 |
|
809 | |||
809 | Some successors may be unknown locally. |
|
810 | Some successors may be unknown locally. | |
810 |
|
811 | |||
811 | This is a linear yield unsuited to detecting split changesets. It includes |
|
812 | This is a linear yield unsuited to detecting split changesets. It includes | |
812 | initial nodes too.""" |
|
813 | initial nodes too.""" | |
813 | remaining = set(nodes) |
|
814 | remaining = set(nodes) | |
814 | seen = set(remaining) |
|
815 | seen = set(remaining) | |
815 | while remaining: |
|
816 | while remaining: | |
816 | current = remaining.pop() |
|
817 | current = remaining.pop() | |
817 | yield current |
|
818 | yield current | |
818 | for mark in obsstore.successors.get(current, ()): |
|
819 | for mark in obsstore.successors.get(current, ()): | |
819 | # ignore marker flagged with specified flag |
|
820 | # ignore marker flagged with specified flag | |
820 | if mark[2] & ignoreflags: |
|
821 | if mark[2] & ignoreflags: | |
821 | continue |
|
822 | continue | |
822 | for suc in mark[1]: |
|
823 | for suc in mark[1]: | |
823 | if suc not in seen: |
|
824 | if suc not in seen: | |
824 | seen.add(suc) |
|
825 | seen.add(suc) | |
825 | remaining.add(suc) |
|
826 | remaining.add(suc) | |
826 |
|
827 | |||
827 | def allprecursors(obsstore, nodes, ignoreflags=0): |
|
828 | def allprecursors(obsstore, nodes, ignoreflags=0): | |
828 | """Yield node for every precursors of <nodes>. |
|
829 | """Yield node for every precursors of <nodes>. | |
829 |
|
830 | |||
830 | Some precursors may be unknown locally. |
|
831 | Some precursors may be unknown locally. | |
831 |
|
832 | |||
832 | This is a linear yield unsuited to detecting folded changesets. It includes |
|
833 | This is a linear yield unsuited to detecting folded changesets. It includes | |
833 | initial nodes too.""" |
|
834 | initial nodes too.""" | |
834 |
|
835 | |||
835 | remaining = set(nodes) |
|
836 | remaining = set(nodes) | |
836 | seen = set(remaining) |
|
837 | seen = set(remaining) | |
837 | while remaining: |
|
838 | while remaining: | |
838 | current = remaining.pop() |
|
839 | current = remaining.pop() | |
839 | yield current |
|
840 | yield current | |
840 | for mark in obsstore.precursors.get(current, ()): |
|
841 | for mark in obsstore.precursors.get(current, ()): | |
841 | # ignore marker flagged with specified flag |
|
842 | # ignore marker flagged with specified flag | |
842 | if mark[2] & ignoreflags: |
|
843 | if mark[2] & ignoreflags: | |
843 | continue |
|
844 | continue | |
844 | suc = mark[0] |
|
845 | suc = mark[0] | |
845 | if suc not in seen: |
|
846 | if suc not in seen: | |
846 | seen.add(suc) |
|
847 | seen.add(suc) | |
847 | remaining.add(suc) |
|
848 | remaining.add(suc) | |
848 |
|
849 | |||
849 | def foreground(repo, nodes): |
|
850 | def foreground(repo, nodes): | |
850 | """return all nodes in the "foreground" of other node |
|
851 | """return all nodes in the "foreground" of other node | |
851 |
|
852 | |||
852 | The foreground of a revision is anything reachable using parent -> children |
|
853 | The foreground of a revision is anything reachable using parent -> children | |
853 | or precursor -> successor relation. It is very similar to "descendant" but |
|
854 | or precursor -> successor relation. It is very similar to "descendant" but | |
854 | augmented with obsolescence information. |
|
855 | augmented with obsolescence information. | |
855 |
|
856 | |||
856 | Beware that possible obsolescence cycle may result if complex situation. |
|
857 | Beware that possible obsolescence cycle may result if complex situation. | |
857 | """ |
|
858 | """ | |
858 | repo = repo.unfiltered() |
|
859 | repo = repo.unfiltered() | |
859 | foreground = set(repo.set('%ln::', nodes)) |
|
860 | foreground = set(repo.set('%ln::', nodes)) | |
860 | if repo.obsstore: |
|
861 | if repo.obsstore: | |
861 | # We only need this complicated logic if there is obsolescence |
|
862 | # We only need this complicated logic if there is obsolescence | |
862 | # XXX will probably deserve an optimised revset. |
|
863 | # XXX will probably deserve an optimised revset. | |
863 | nm = repo.changelog.nodemap |
|
864 | nm = repo.changelog.nodemap | |
864 | plen = -1 |
|
865 | plen = -1 | |
865 | # compute the whole set of successors or descendants |
|
866 | # compute the whole set of successors or descendants | |
866 | while len(foreground) != plen: |
|
867 | while len(foreground) != plen: | |
867 | plen = len(foreground) |
|
868 | plen = len(foreground) | |
868 | succs = set(c.node() for c in foreground) |
|
869 | succs = set(c.node() for c in foreground) | |
869 | mutable = [c.node() for c in foreground if c.mutable()] |
|
870 | mutable = [c.node() for c in foreground if c.mutable()] | |
870 | succs.update(allsuccessors(repo.obsstore, mutable)) |
|
871 | succs.update(allsuccessors(repo.obsstore, mutable)) | |
871 | known = (n for n in succs if n in nm) |
|
872 | known = (n for n in succs if n in nm) | |
872 | foreground = set(repo.set('%ln::', known)) |
|
873 | foreground = set(repo.set('%ln::', known)) | |
873 | return set(c.node() for c in foreground) |
|
874 | return set(c.node() for c in foreground) | |
874 |
|
875 | |||
875 |
|
876 | |||
876 | def successorssets(repo, initialnode, cache=None): |
|
877 | def successorssets(repo, initialnode, cache=None): | |
877 | """Return set of all latest successors of initial nodes |
|
878 | """Return set of all latest successors of initial nodes | |
878 |
|
879 | |||
879 | The successors set of a changeset A are the group of revisions that succeed |
|
880 | The successors set of a changeset A are the group of revisions that succeed | |
880 | A. It succeeds A as a consistent whole, each revision being only a partial |
|
881 | A. It succeeds A as a consistent whole, each revision being only a partial | |
881 | replacement. The successors set contains non-obsolete changesets only. |
|
882 | replacement. The successors set contains non-obsolete changesets only. | |
882 |
|
883 | |||
883 | This function returns the full list of successor sets which is why it |
|
884 | This function returns the full list of successor sets which is why it | |
884 | returns a list of tuples and not just a single tuple. Each tuple is a valid |
|
885 | returns a list of tuples and not just a single tuple. Each tuple is a valid | |
885 | successors set. Note that (A,) may be a valid successors set for changeset A |
|
886 | successors set. Note that (A,) may be a valid successors set for changeset A | |
886 | (see below). |
|
887 | (see below). | |
887 |
|
888 | |||
888 | In most cases, a changeset A will have a single element (e.g. the changeset |
|
889 | In most cases, a changeset A will have a single element (e.g. the changeset | |
889 | A is replaced by A') in its successors set. Though, it is also common for a |
|
890 | A is replaced by A') in its successors set. Though, it is also common for a | |
890 | changeset A to have no elements in its successor set (e.g. the changeset |
|
891 | changeset A to have no elements in its successor set (e.g. the changeset | |
891 | has been pruned). Therefore, the returned list of successors sets will be |
|
892 | has been pruned). Therefore, the returned list of successors sets will be | |
892 | [(A',)] or [], respectively. |
|
893 | [(A',)] or [], respectively. | |
893 |
|
894 | |||
894 | When a changeset A is split into A' and B', however, it will result in a |
|
895 | When a changeset A is split into A' and B', however, it will result in a | |
895 | successors set containing more than a single element, i.e. [(A',B')]. |
|
896 | successors set containing more than a single element, i.e. [(A',B')]. | |
896 | Divergent changesets will result in multiple successors sets, i.e. [(A',), |
|
897 | Divergent changesets will result in multiple successors sets, i.e. [(A',), | |
897 | (A'')]. |
|
898 | (A'')]. | |
898 |
|
899 | |||
899 | If a changeset A is not obsolete, then it will conceptually have no |
|
900 | If a changeset A is not obsolete, then it will conceptually have no | |
900 | successors set. To distinguish this from a pruned changeset, the successor |
|
901 | successors set. To distinguish this from a pruned changeset, the successor | |
901 | set will contain itself only, i.e. [(A,)]. |
|
902 | set will contain itself only, i.e. [(A,)]. | |
902 |
|
903 | |||
903 | Finally, successors unknown locally are considered to be pruned (obsoleted |
|
904 | Finally, successors unknown locally are considered to be pruned (obsoleted | |
904 | without any successors). |
|
905 | without any successors). | |
905 |
|
906 | |||
906 | The optional `cache` parameter is a dictionary that may contain precomputed |
|
907 | The optional `cache` parameter is a dictionary that may contain precomputed | |
907 | successors sets. It is meant to reuse the computation of a previous call to |
|
908 | successors sets. It is meant to reuse the computation of a previous call to | |
908 | `successorssets` when multiple calls are made at the same time. The cache |
|
909 | `successorssets` when multiple calls are made at the same time. The cache | |
909 | dictionary is updated in place. The caller is responsible for its life |
|
910 | dictionary is updated in place. The caller is responsible for its life | |
910 | span. Code that makes multiple calls to `successorssets` *must* use this |
|
911 | span. Code that makes multiple calls to `successorssets` *must* use this | |
911 | cache mechanism or suffer terrible performance. |
|
912 | cache mechanism or suffer terrible performance. | |
912 | """ |
|
913 | """ | |
913 |
|
914 | |||
914 | succmarkers = repo.obsstore.successors |
|
915 | succmarkers = repo.obsstore.successors | |
915 |
|
916 | |||
916 | # Stack of nodes we search successors sets for |
|
917 | # Stack of nodes we search successors sets for | |
917 | toproceed = [initialnode] |
|
918 | toproceed = [initialnode] | |
918 | # set version of above list for fast loop detection |
|
919 | # set version of above list for fast loop detection | |
919 | # element added to "toproceed" must be added here |
|
920 | # element added to "toproceed" must be added here | |
920 | stackedset = set(toproceed) |
|
921 | stackedset = set(toproceed) | |
921 | if cache is None: |
|
922 | if cache is None: | |
922 | cache = {} |
|
923 | cache = {} | |
923 |
|
924 | |||
924 | # This while loop is the flattened version of a recursive search for |
|
925 | # This while loop is the flattened version of a recursive search for | |
925 | # successors sets |
|
926 | # successors sets | |
926 | # |
|
927 | # | |
927 | # def successorssets(x): |
|
928 | # def successorssets(x): | |
928 | # successors = directsuccessors(x) |
|
929 | # successors = directsuccessors(x) | |
929 | # ss = [[]] |
|
930 | # ss = [[]] | |
930 | # for succ in directsuccessors(x): |
|
931 | # for succ in directsuccessors(x): | |
931 | # # product as in itertools cartesian product |
|
932 | # # product as in itertools cartesian product | |
932 | # ss = product(ss, successorssets(succ)) |
|
933 | # ss = product(ss, successorssets(succ)) | |
933 | # return ss |
|
934 | # return ss | |
934 | # |
|
935 | # | |
935 | # But we can not use plain recursive calls here: |
|
936 | # But we can not use plain recursive calls here: | |
936 | # - that would blow the python call stack |
|
937 | # - that would blow the python call stack | |
937 | # - obsolescence markers may have cycles, we need to handle them. |
|
938 | # - obsolescence markers may have cycles, we need to handle them. | |
938 | # |
|
939 | # | |
939 | # The `toproceed` list act as our call stack. Every node we search |
|
940 | # The `toproceed` list act as our call stack. Every node we search | |
940 | # successors set for are stacked there. |
|
941 | # successors set for are stacked there. | |
941 | # |
|
942 | # | |
942 | # The `stackedset` is set version of this stack used to check if a node is |
|
943 | # The `stackedset` is set version of this stack used to check if a node is | |
943 | # already stacked. This check is used to detect cycles and prevent infinite |
|
944 | # already stacked. This check is used to detect cycles and prevent infinite | |
944 | # loop. |
|
945 | # loop. | |
945 | # |
|
946 | # | |
946 | # successors set of all nodes are stored in the `cache` dictionary. |
|
947 | # successors set of all nodes are stored in the `cache` dictionary. | |
947 | # |
|
948 | # | |
948 | # After this while loop ends we use the cache to return the successors sets |
|
949 | # After this while loop ends we use the cache to return the successors sets | |
949 | # for the node requested by the caller. |
|
950 | # for the node requested by the caller. | |
950 | while toproceed: |
|
951 | while toproceed: | |
951 | # Every iteration tries to compute the successors sets of the topmost |
|
952 | # Every iteration tries to compute the successors sets of the topmost | |
952 | # node of the stack: CURRENT. |
|
953 | # node of the stack: CURRENT. | |
953 | # |
|
954 | # | |
954 | # There are four possible outcomes: |
|
955 | # There are four possible outcomes: | |
955 | # |
|
956 | # | |
956 | # 1) We already know the successors sets of CURRENT: |
|
957 | # 1) We already know the successors sets of CURRENT: | |
957 | # -> mission accomplished, pop it from the stack. |
|
958 | # -> mission accomplished, pop it from the stack. | |
958 | # 2) Node is not obsolete: |
|
959 | # 2) Node is not obsolete: | |
959 | # -> the node is its own successors sets. Add it to the cache. |
|
960 | # -> the node is its own successors sets. Add it to the cache. | |
960 | # 3) We do not know successors set of direct successors of CURRENT: |
|
961 | # 3) We do not know successors set of direct successors of CURRENT: | |
961 | # -> We add those successors to the stack. |
|
962 | # -> We add those successors to the stack. | |
962 | # 4) We know successors sets of all direct successors of CURRENT: |
|
963 | # 4) We know successors sets of all direct successors of CURRENT: | |
963 | # -> We can compute CURRENT successors set and add it to the |
|
964 | # -> We can compute CURRENT successors set and add it to the | |
964 | # cache. |
|
965 | # cache. | |
965 | # |
|
966 | # | |
966 | current = toproceed[-1] |
|
967 | current = toproceed[-1] | |
967 | if current in cache: |
|
968 | if current in cache: | |
968 | # case (1): We already know the successors sets |
|
969 | # case (1): We already know the successors sets | |
969 | stackedset.remove(toproceed.pop()) |
|
970 | stackedset.remove(toproceed.pop()) | |
970 | elif current not in succmarkers: |
|
971 | elif current not in succmarkers: | |
971 | # case (2): The node is not obsolete. |
|
972 | # case (2): The node is not obsolete. | |
972 | if current in repo: |
|
973 | if current in repo: | |
973 | # We have a valid last successors. |
|
974 | # We have a valid last successors. | |
974 | cache[current] = [(current,)] |
|
975 | cache[current] = [(current,)] | |
975 | else: |
|
976 | else: | |
976 | # Final obsolete version is unknown locally. |
|
977 | # Final obsolete version is unknown locally. | |
977 | # Do not count that as a valid successors |
|
978 | # Do not count that as a valid successors | |
978 | cache[current] = [] |
|
979 | cache[current] = [] | |
979 | else: |
|
980 | else: | |
980 | # cases (3) and (4) |
|
981 | # cases (3) and (4) | |
981 | # |
|
982 | # | |
982 | # We proceed in two phases. Phase 1 aims to distinguish case (3) |
|
983 | # We proceed in two phases. Phase 1 aims to distinguish case (3) | |
983 | # from case (4): |
|
984 | # from case (4): | |
984 | # |
|
985 | # | |
985 | # For each direct successors of CURRENT, we check whether its |
|
986 | # For each direct successors of CURRENT, we check whether its | |
986 | # successors sets are known. If they are not, we stack the |
|
987 | # successors sets are known. If they are not, we stack the | |
987 | # unknown node and proceed to the next iteration of the while |
|
988 | # unknown node and proceed to the next iteration of the while | |
988 | # loop. (case 3) |
|
989 | # loop. (case 3) | |
989 | # |
|
990 | # | |
990 | # During this step, we may detect obsolescence cycles: a node |
|
991 | # During this step, we may detect obsolescence cycles: a node | |
991 | # with unknown successors sets but already in the call stack. |
|
992 | # with unknown successors sets but already in the call stack. | |
992 | # In such a situation, we arbitrary set the successors sets of |
|
993 | # In such a situation, we arbitrary set the successors sets of | |
993 | # the node to nothing (node pruned) to break the cycle. |
|
994 | # the node to nothing (node pruned) to break the cycle. | |
994 | # |
|
995 | # | |
995 | # If no break was encountered we proceed to phase 2. |
|
996 | # If no break was encountered we proceed to phase 2. | |
996 | # |
|
997 | # | |
997 | # Phase 2 computes successors sets of CURRENT (case 4); see details |
|
998 | # Phase 2 computes successors sets of CURRENT (case 4); see details | |
998 | # in phase 2 itself. |
|
999 | # in phase 2 itself. | |
999 | # |
|
1000 | # | |
1000 | # Note the two levels of iteration in each phase. |
|
1001 | # Note the two levels of iteration in each phase. | |
1001 | # - The first one handles obsolescence markers using CURRENT as |
|
1002 | # - The first one handles obsolescence markers using CURRENT as | |
1002 | # precursor (successors markers of CURRENT). |
|
1003 | # precursor (successors markers of CURRENT). | |
1003 | # |
|
1004 | # | |
1004 | # Having multiple entry here means divergence. |
|
1005 | # Having multiple entry here means divergence. | |
1005 | # |
|
1006 | # | |
1006 | # - The second one handles successors defined in each marker. |
|
1007 | # - The second one handles successors defined in each marker. | |
1007 | # |
|
1008 | # | |
1008 | # Having none means pruned node, multiple successors means split, |
|
1009 | # Having none means pruned node, multiple successors means split, | |
1009 | # single successors are standard replacement. |
|
1010 | # single successors are standard replacement. | |
1010 | # |
|
1011 | # | |
1011 | for mark in sorted(succmarkers[current]): |
|
1012 | for mark in sorted(succmarkers[current]): | |
1012 | for suc in mark[1]: |
|
1013 | for suc in mark[1]: | |
1013 | if suc not in cache: |
|
1014 | if suc not in cache: | |
1014 | if suc in stackedset: |
|
1015 | if suc in stackedset: | |
1015 | # cycle breaking |
|
1016 | # cycle breaking | |
1016 | cache[suc] = [] |
|
1017 | cache[suc] = [] | |
1017 | else: |
|
1018 | else: | |
1018 | # case (3) If we have not computed successors sets |
|
1019 | # case (3) If we have not computed successors sets | |
1019 | # of one of those successors we add it to the |
|
1020 | # of one of those successors we add it to the | |
1020 | # `toproceed` stack and stop all work for this |
|
1021 | # `toproceed` stack and stop all work for this | |
1021 | # iteration. |
|
1022 | # iteration. | |
1022 | toproceed.append(suc) |
|
1023 | toproceed.append(suc) | |
1023 | stackedset.add(suc) |
|
1024 | stackedset.add(suc) | |
1024 | break |
|
1025 | break | |
1025 | else: |
|
1026 | else: | |
1026 | continue |
|
1027 | continue | |
1027 | break |
|
1028 | break | |
1028 | else: |
|
1029 | else: | |
1029 | # case (4): we know all successors sets of all direct |
|
1030 | # case (4): we know all successors sets of all direct | |
1030 | # successors |
|
1031 | # successors | |
1031 | # |
|
1032 | # | |
1032 | # Successors set contributed by each marker depends on the |
|
1033 | # Successors set contributed by each marker depends on the | |
1033 | # successors sets of all its "successors" node. |
|
1034 | # successors sets of all its "successors" node. | |
1034 | # |
|
1035 | # | |
1035 | # Each different marker is a divergence in the obsolescence |
|
1036 | # Each different marker is a divergence in the obsolescence | |
1036 | # history. It contributes successors sets distinct from other |
|
1037 | # history. It contributes successors sets distinct from other | |
1037 | # markers. |
|
1038 | # markers. | |
1038 | # |
|
1039 | # | |
1039 | # Within a marker, a successor may have divergent successors |
|
1040 | # Within a marker, a successor may have divergent successors | |
1040 | # sets. In such a case, the marker will contribute multiple |
|
1041 | # sets. In such a case, the marker will contribute multiple | |
1041 | # divergent successors sets. If multiple successors have |
|
1042 | # divergent successors sets. If multiple successors have | |
1042 | # divergent successors sets, a Cartesian product is used. |
|
1043 | # divergent successors sets, a Cartesian product is used. | |
1043 | # |
|
1044 | # | |
1044 | # At the end we post-process successors sets to remove |
|
1045 | # At the end we post-process successors sets to remove | |
1045 | # duplicated entry and successors set that are strict subset of |
|
1046 | # duplicated entry and successors set that are strict subset of | |
1046 | # another one. |
|
1047 | # another one. | |
1047 | succssets = [] |
|
1048 | succssets = [] | |
1048 | for mark in sorted(succmarkers[current]): |
|
1049 | for mark in sorted(succmarkers[current]): | |
1049 | # successors sets contributed by this marker |
|
1050 | # successors sets contributed by this marker | |
1050 | markss = [[]] |
|
1051 | markss = [[]] | |
1051 | for suc in mark[1]: |
|
1052 | for suc in mark[1]: | |
1052 | # cardinal product with previous successors |
|
1053 | # cardinal product with previous successors | |
1053 | productresult = [] |
|
1054 | productresult = [] | |
1054 | for prefix in markss: |
|
1055 | for prefix in markss: | |
1055 | for suffix in cache[suc]: |
|
1056 | for suffix in cache[suc]: | |
1056 | newss = list(prefix) |
|
1057 | newss = list(prefix) | |
1057 | for part in suffix: |
|
1058 | for part in suffix: | |
1058 | # do not duplicated entry in successors set |
|
1059 | # do not duplicated entry in successors set | |
1059 | # first entry wins. |
|
1060 | # first entry wins. | |
1060 | if part not in newss: |
|
1061 | if part not in newss: | |
1061 | newss.append(part) |
|
1062 | newss.append(part) | |
1062 | productresult.append(newss) |
|
1063 | productresult.append(newss) | |
1063 | markss = productresult |
|
1064 | markss = productresult | |
1064 | succssets.extend(markss) |
|
1065 | succssets.extend(markss) | |
1065 | # remove duplicated and subset |
|
1066 | # remove duplicated and subset | |
1066 | seen = [] |
|
1067 | seen = [] | |
1067 | final = [] |
|
1068 | final = [] | |
1068 | candidate = sorted(((set(s), s) for s in succssets if s), |
|
1069 | candidate = sorted(((set(s), s) for s in succssets if s), | |
1069 | key=lambda x: len(x[1]), reverse=True) |
|
1070 | key=lambda x: len(x[1]), reverse=True) | |
1070 | for setversion, listversion in candidate: |
|
1071 | for setversion, listversion in candidate: | |
1071 | for seenset in seen: |
|
1072 | for seenset in seen: | |
1072 | if setversion.issubset(seenset): |
|
1073 | if setversion.issubset(seenset): | |
1073 | break |
|
1074 | break | |
1074 | else: |
|
1075 | else: | |
1075 | final.append(listversion) |
|
1076 | final.append(listversion) | |
1076 | seen.append(setversion) |
|
1077 | seen.append(setversion) | |
1077 | final.reverse() # put small successors set first |
|
1078 | final.reverse() # put small successors set first | |
1078 | cache[current] = final |
|
1079 | cache[current] = final | |
1079 | return cache[initialnode] |
|
1080 | return cache[initialnode] | |
1080 |
|
1081 | |||
1081 | # mapping of 'set-name' -> <function to compute this set> |
|
1082 | # mapping of 'set-name' -> <function to compute this set> | |
1082 | cachefuncs = {} |
|
1083 | cachefuncs = {} | |
1083 | def cachefor(name): |
|
1084 | def cachefor(name): | |
1084 | """Decorator to register a function as computing the cache for a set""" |
|
1085 | """Decorator to register a function as computing the cache for a set""" | |
1085 | def decorator(func): |
|
1086 | def decorator(func): | |
1086 | assert name not in cachefuncs |
|
1087 | assert name not in cachefuncs | |
1087 | cachefuncs[name] = func |
|
1088 | cachefuncs[name] = func | |
1088 | return func |
|
1089 | return func | |
1089 | return decorator |
|
1090 | return decorator | |
1090 |
|
1091 | |||
1091 | def getrevs(repo, name): |
|
1092 | def getrevs(repo, name): | |
1092 | """Return the set of revision that belong to the <name> set |
|
1093 | """Return the set of revision that belong to the <name> set | |
1093 |
|
1094 | |||
1094 | Such access may compute the set and cache it for future use""" |
|
1095 | Such access may compute the set and cache it for future use""" | |
1095 | repo = repo.unfiltered() |
|
1096 | repo = repo.unfiltered() | |
1096 | if not repo.obsstore: |
|
1097 | if not repo.obsstore: | |
1097 | return frozenset() |
|
1098 | return frozenset() | |
1098 | if name not in repo.obsstore.caches: |
|
1099 | if name not in repo.obsstore.caches: | |
1099 | repo.obsstore.caches[name] = cachefuncs[name](repo) |
|
1100 | repo.obsstore.caches[name] = cachefuncs[name](repo) | |
1100 | return repo.obsstore.caches[name] |
|
1101 | return repo.obsstore.caches[name] | |
1101 |
|
1102 | |||
1102 | # To be simple we need to invalidate obsolescence cache when: |
|
1103 | # To be simple we need to invalidate obsolescence cache when: | |
1103 | # |
|
1104 | # | |
1104 | # - new changeset is added: |
|
1105 | # - new changeset is added: | |
1105 | # - public phase is changed |
|
1106 | # - public phase is changed | |
1106 | # - obsolescence marker are added |
|
1107 | # - obsolescence marker are added | |
1107 | # - strip is used a repo |
|
1108 | # - strip is used a repo | |
1108 | def clearobscaches(repo): |
|
1109 | def clearobscaches(repo): | |
1109 | """Remove all obsolescence related cache from a repo |
|
1110 | """Remove all obsolescence related cache from a repo | |
1110 |
|
1111 | |||
1111 | This remove all cache in obsstore is the obsstore already exist on the |
|
1112 | This remove all cache in obsstore is the obsstore already exist on the | |
1112 | repo. |
|
1113 | repo. | |
1113 |
|
1114 | |||
1114 | (We could be smarter here given the exact event that trigger the cache |
|
1115 | (We could be smarter here given the exact event that trigger the cache | |
1115 | clearing)""" |
|
1116 | clearing)""" | |
1116 | # only clear cache is there is obsstore data in this repo |
|
1117 | # only clear cache is there is obsstore data in this repo | |
1117 | if 'obsstore' in repo._filecache: |
|
1118 | if 'obsstore' in repo._filecache: | |
1118 | repo.obsstore.caches.clear() |
|
1119 | repo.obsstore.caches.clear() | |
1119 |
|
1120 | |||
1120 | @cachefor('obsolete') |
|
1121 | @cachefor('obsolete') | |
1121 | def _computeobsoleteset(repo): |
|
1122 | def _computeobsoleteset(repo): | |
1122 | """the set of obsolete revisions""" |
|
1123 | """the set of obsolete revisions""" | |
1123 | obs = set() |
|
1124 | obs = set() | |
1124 | getnode = repo.changelog.node |
|
1125 | getnode = repo.changelog.node | |
1125 | notpublic = repo._phasecache.getrevset(repo, (phases.draft, phases.secret)) |
|
1126 | notpublic = repo._phasecache.getrevset(repo, (phases.draft, phases.secret)) | |
1126 | for r in notpublic: |
|
1127 | for r in notpublic: | |
1127 | if getnode(r) in repo.obsstore.successors: |
|
1128 | if getnode(r) in repo.obsstore.successors: | |
1128 | obs.add(r) |
|
1129 | obs.add(r) | |
1129 | return obs |
|
1130 | return obs | |
1130 |
|
1131 | |||
1131 | @cachefor('unstable') |
|
1132 | @cachefor('unstable') | |
1132 | def _computeunstableset(repo): |
|
1133 | def _computeunstableset(repo): | |
1133 | """the set of non obsolete revisions with obsolete parents""" |
|
1134 | """the set of non obsolete revisions with obsolete parents""" | |
1134 | revs = [(ctx.rev(), ctx) for ctx in |
|
1135 | revs = [(ctx.rev(), ctx) for ctx in | |
1135 | repo.set('(not public()) and (not obsolete())')] |
|
1136 | repo.set('(not public()) and (not obsolete())')] | |
1136 | revs.sort(key=lambda x:x[0]) |
|
1137 | revs.sort(key=lambda x:x[0]) | |
1137 | unstable = set() |
|
1138 | unstable = set() | |
1138 | for rev, ctx in revs: |
|
1139 | for rev, ctx in revs: | |
1139 | # A rev is unstable if one of its parent is obsolete or unstable |
|
1140 | # A rev is unstable if one of its parent is obsolete or unstable | |
1140 | # this works since we traverse following growing rev order |
|
1141 | # this works since we traverse following growing rev order | |
1141 | if any((x.obsolete() or (x.rev() in unstable)) |
|
1142 | if any((x.obsolete() or (x.rev() in unstable)) | |
1142 | for x in ctx.parents()): |
|
1143 | for x in ctx.parents()): | |
1143 | unstable.add(rev) |
|
1144 | unstable.add(rev) | |
1144 | return unstable |
|
1145 | return unstable | |
1145 |
|
1146 | |||
1146 | @cachefor('suspended') |
|
1147 | @cachefor('suspended') | |
1147 | def _computesuspendedset(repo): |
|
1148 | def _computesuspendedset(repo): | |
1148 | """the set of obsolete parents with non obsolete descendants""" |
|
1149 | """the set of obsolete parents with non obsolete descendants""" | |
1149 | suspended = repo.changelog.ancestors(getrevs(repo, 'unstable')) |
|
1150 | suspended = repo.changelog.ancestors(getrevs(repo, 'unstable')) | |
1150 | return set(r for r in getrevs(repo, 'obsolete') if r in suspended) |
|
1151 | return set(r for r in getrevs(repo, 'obsolete') if r in suspended) | |
1151 |
|
1152 | |||
1152 | @cachefor('extinct') |
|
1153 | @cachefor('extinct') | |
1153 | def _computeextinctset(repo): |
|
1154 | def _computeextinctset(repo): | |
1154 | """the set of obsolete parents without non obsolete descendants""" |
|
1155 | """the set of obsolete parents without non obsolete descendants""" | |
1155 | return getrevs(repo, 'obsolete') - getrevs(repo, 'suspended') |
|
1156 | return getrevs(repo, 'obsolete') - getrevs(repo, 'suspended') | |
1156 |
|
1157 | |||
1157 |
|
1158 | |||
1158 | @cachefor('bumped') |
|
1159 | @cachefor('bumped') | |
1159 | def _computebumpedset(repo): |
|
1160 | def _computebumpedset(repo): | |
1160 | """the set of revs trying to obsolete public revisions""" |
|
1161 | """the set of revs trying to obsolete public revisions""" | |
1161 | bumped = set() |
|
1162 | bumped = set() | |
1162 | # util function (avoid attribute lookup in the loop) |
|
1163 | # util function (avoid attribute lookup in the loop) | |
1163 | phase = repo._phasecache.phase # would be faster to grab the full list |
|
1164 | phase = repo._phasecache.phase # would be faster to grab the full list | |
1164 | public = phases.public |
|
1165 | public = phases.public | |
1165 | cl = repo.changelog |
|
1166 | cl = repo.changelog | |
1166 | torev = cl.nodemap.get |
|
1167 | torev = cl.nodemap.get | |
1167 | for ctx in repo.set('(not public()) and (not obsolete())'): |
|
1168 | for ctx in repo.set('(not public()) and (not obsolete())'): | |
1168 | rev = ctx.rev() |
|
1169 | rev = ctx.rev() | |
1169 | # We only evaluate mutable, non-obsolete revision |
|
1170 | # We only evaluate mutable, non-obsolete revision | |
1170 | node = ctx.node() |
|
1171 | node = ctx.node() | |
1171 | # (future) A cache of precursors may worth if split is very common |
|
1172 | # (future) A cache of precursors may worth if split is very common | |
1172 | for pnode in allprecursors(repo.obsstore, [node], |
|
1173 | for pnode in allprecursors(repo.obsstore, [node], | |
1173 | ignoreflags=bumpedfix): |
|
1174 | ignoreflags=bumpedfix): | |
1174 | prev = torev(pnode) # unfiltered! but so is phasecache |
|
1175 | prev = torev(pnode) # unfiltered! but so is phasecache | |
1175 | if (prev is not None) and (phase(repo, prev) <= public): |
|
1176 | if (prev is not None) and (phase(repo, prev) <= public): | |
1176 | # we have a public precursor |
|
1177 | # we have a public precursor | |
1177 | bumped.add(rev) |
|
1178 | bumped.add(rev) | |
1178 | break # Next draft! |
|
1179 | break # Next draft! | |
1179 | return bumped |
|
1180 | return bumped | |
1180 |
|
1181 | |||
1181 | @cachefor('divergent') |
|
1182 | @cachefor('divergent') | |
1182 | def _computedivergentset(repo): |
|
1183 | def _computedivergentset(repo): | |
1183 | """the set of rev that compete to be the final successors of some revision. |
|
1184 | """the set of rev that compete to be the final successors of some revision. | |
1184 | """ |
|
1185 | """ | |
1185 | divergent = set() |
|
1186 | divergent = set() | |
1186 | obsstore = repo.obsstore |
|
1187 | obsstore = repo.obsstore | |
1187 | newermap = {} |
|
1188 | newermap = {} | |
1188 | for ctx in repo.set('(not public()) - obsolete()'): |
|
1189 | for ctx in repo.set('(not public()) - obsolete()'): | |
1189 | mark = obsstore.precursors.get(ctx.node(), ()) |
|
1190 | mark = obsstore.precursors.get(ctx.node(), ()) | |
1190 | toprocess = set(mark) |
|
1191 | toprocess = set(mark) | |
1191 | seen = set() |
|
1192 | seen = set() | |
1192 | while toprocess: |
|
1193 | while toprocess: | |
1193 | prec = toprocess.pop()[0] |
|
1194 | prec = toprocess.pop()[0] | |
1194 | if prec in seen: |
|
1195 | if prec in seen: | |
1195 | continue # emergency cycle hanging prevention |
|
1196 | continue # emergency cycle hanging prevention | |
1196 | seen.add(prec) |
|
1197 | seen.add(prec) | |
1197 | if prec not in newermap: |
|
1198 | if prec not in newermap: | |
1198 | successorssets(repo, prec, newermap) |
|
1199 | successorssets(repo, prec, newermap) | |
1199 | newer = [n for n in newermap[prec] if n] |
|
1200 | newer = [n for n in newermap[prec] if n] | |
1200 | if len(newer) > 1: |
|
1201 | if len(newer) > 1: | |
1201 | divergent.add(ctx.rev()) |
|
1202 | divergent.add(ctx.rev()) | |
1202 | break |
|
1203 | break | |
1203 | toprocess.update(obsstore.precursors.get(prec, ())) |
|
1204 | toprocess.update(obsstore.precursors.get(prec, ())) | |
1204 | return divergent |
|
1205 | return divergent | |
1205 |
|
1206 | |||
1206 |
|
1207 | |||
1207 | def createmarkers(repo, relations, flag=0, date=None, metadata=None): |
|
1208 | def createmarkers(repo, relations, flag=0, date=None, metadata=None): | |
1208 | """Add obsolete markers between changesets in a repo |
|
1209 | """Add obsolete markers between changesets in a repo | |
1209 |
|
1210 | |||
1210 | <relations> must be an iterable of (<old>, (<new>, ...)[,{metadata}]) |
|
1211 | <relations> must be an iterable of (<old>, (<new>, ...)[,{metadata}]) | |
1211 | tuple. `old` and `news` are changectx. metadata is an optional dictionary |
|
1212 | tuple. `old` and `news` are changectx. metadata is an optional dictionary | |
1212 | containing metadata for this marker only. It is merged with the global |
|
1213 | containing metadata for this marker only. It is merged with the global | |
1213 | metadata specified through the `metadata` argument of this function, |
|
1214 | metadata specified through the `metadata` argument of this function, | |
1214 |
|
1215 | |||
1215 | Trying to obsolete a public changeset will raise an exception. |
|
1216 | Trying to obsolete a public changeset will raise an exception. | |
1216 |
|
1217 | |||
1217 | Current user and date are used except if specified otherwise in the |
|
1218 | Current user and date are used except if specified otherwise in the | |
1218 | metadata attribute. |
|
1219 | metadata attribute. | |
1219 |
|
1220 | |||
1220 | This function operates within a transaction of its own, but does |
|
1221 | This function operates within a transaction of its own, but does | |
1221 | not take any lock on the repo. |
|
1222 | not take any lock on the repo. | |
1222 | """ |
|
1223 | """ | |
1223 | # prepare metadata |
|
1224 | # prepare metadata | |
1224 | if metadata is None: |
|
1225 | if metadata is None: | |
1225 | metadata = {} |
|
1226 | metadata = {} | |
1226 | if 'user' not in metadata: |
|
1227 | if 'user' not in metadata: | |
1227 | metadata['user'] = repo.ui.username() |
|
1228 | metadata['user'] = repo.ui.username() | |
1228 | tr = repo.transaction('add-obsolescence-marker') |
|
1229 | tr = repo.transaction('add-obsolescence-marker') | |
1229 | try: |
|
1230 | try: | |
1230 | markerargs = [] |
|
1231 | markerargs = [] | |
1231 | for rel in relations: |
|
1232 | for rel in relations: | |
1232 | prec = rel[0] |
|
1233 | prec = rel[0] | |
1233 | sucs = rel[1] |
|
1234 | sucs = rel[1] | |
1234 | localmetadata = metadata.copy() |
|
1235 | localmetadata = metadata.copy() | |
1235 | if 2 < len(rel): |
|
1236 | if 2 < len(rel): | |
1236 | localmetadata.update(rel[2]) |
|
1237 | localmetadata.update(rel[2]) | |
1237 |
|
1238 | |||
1238 | if not prec.mutable(): |
|
1239 | if not prec.mutable(): | |
1239 | raise error.Abort(_("cannot obsolete public changeset: %s") |
|
1240 | raise error.Abort(_("cannot obsolete public changeset: %s") | |
1240 | % prec, |
|
1241 | % prec, | |
1241 | hint="see 'hg help phases' for details") |
|
1242 | hint="see 'hg help phases' for details") | |
1242 | nprec = prec.node() |
|
1243 | nprec = prec.node() | |
1243 | nsucs = tuple(s.node() for s in sucs) |
|
1244 | nsucs = tuple(s.node() for s in sucs) | |
1244 | npare = None |
|
1245 | npare = None | |
1245 | if not nsucs: |
|
1246 | if not nsucs: | |
1246 | npare = tuple(p.node() for p in prec.parents()) |
|
1247 | npare = tuple(p.node() for p in prec.parents()) | |
1247 | if nprec in nsucs: |
|
1248 | if nprec in nsucs: | |
1248 | raise error.Abort(_("changeset %s cannot obsolete itself") |
|
1249 | raise error.Abort(_("changeset %s cannot obsolete itself") | |
1249 | % prec) |
|
1250 | % prec) | |
1250 |
|
1251 | |||
1251 | # Creating the marker causes the hidden cache to become invalid, |
|
1252 | # Creating the marker causes the hidden cache to become invalid, | |
1252 | # which causes recomputation when we ask for prec.parents() above. |
|
1253 | # which causes recomputation when we ask for prec.parents() above. | |
1253 | # Resulting in n^2 behavior. So let's prepare all of the args |
|
1254 | # Resulting in n^2 behavior. So let's prepare all of the args | |
1254 | # first, then create the markers. |
|
1255 | # first, then create the markers. | |
1255 | markerargs.append((nprec, nsucs, npare, localmetadata)) |
|
1256 | markerargs.append((nprec, nsucs, npare, localmetadata)) | |
1256 |
|
1257 | |||
1257 | for args in markerargs: |
|
1258 | for args in markerargs: | |
1258 | nprec, nsucs, npare, localmetadata = args |
|
1259 | nprec, nsucs, npare, localmetadata = args | |
1259 | repo.obsstore.create(tr, nprec, nsucs, flag, parents=npare, |
|
1260 | repo.obsstore.create(tr, nprec, nsucs, flag, parents=npare, | |
1260 | date=date, metadata=localmetadata) |
|
1261 | date=date, metadata=localmetadata) | |
1261 | repo.filteredrevcache.clear() |
|
1262 | repo.filteredrevcache.clear() | |
1262 | tr.close() |
|
1263 | tr.close() | |
1263 | finally: |
|
1264 | finally: | |
1264 | tr.release() |
|
1265 | tr.release() | |
1265 |
|
1266 | |||
1266 | def isenabled(repo, option): |
|
1267 | def isenabled(repo, option): | |
1267 | """Returns True if the given repository has the given obsolete option |
|
1268 | """Returns True if the given repository has the given obsolete option | |
1268 | enabled. |
|
1269 | enabled. | |
1269 | """ |
|
1270 | """ | |
1270 | result = set(repo.ui.configlist('experimental', 'evolution')) |
|
1271 | result = set(repo.ui.configlist('experimental', 'evolution')) | |
1271 | if 'all' in result: |
|
1272 | if 'all' in result: | |
1272 | return True |
|
1273 | return True | |
1273 |
|
1274 | |||
1274 | # For migration purposes, temporarily return true if the config hasn't been |
|
1275 | # For migration purposes, temporarily return true if the config hasn't been | |
1275 | # set but _enabled is true. |
|
1276 | # set but _enabled is true. | |
1276 | if len(result) == 0 and _enabled: |
|
1277 | if len(result) == 0 and _enabled: | |
1277 | return True |
|
1278 | return True | |
1278 |
|
1279 | |||
1279 | # createmarkers must be enabled if other options are enabled |
|
1280 | # createmarkers must be enabled if other options are enabled | |
1280 | if ((allowunstableopt in result or exchangeopt in result) and |
|
1281 | if ((allowunstableopt in result or exchangeopt in result) and | |
1281 | not createmarkersopt in result): |
|
1282 | not createmarkersopt in result): | |
1282 | raise error.Abort(_("'createmarkers' obsolete option must be enabled " |
|
1283 | raise error.Abort(_("'createmarkers' obsolete option must be enabled " | |
1283 | "if other obsolete options are enabled")) |
|
1284 | "if other obsolete options are enabled")) | |
1284 |
|
1285 | |||
1285 | return option in result |
|
1286 | return option in result |
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