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@@ -1,1342 +1,1343 b'' | |||
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1 | 1 | /* |
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2 | 2 | parsers.c - efficient content parsing |
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3 | 3 | |
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4 | 4 | Copyright 2008 Olivia Mackall <olivia@selenic.com> and others |
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5 | 5 | |
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6 | 6 | This software may be used and distributed according to the terms of |
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7 | 7 | the GNU General Public License, incorporated herein by reference. |
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8 | 8 | */ |
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9 | 9 | |
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10 | 10 | #define PY_SSIZE_T_CLEAN |
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11 | 11 | #include <Python.h> |
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12 | 12 | #include <ctype.h> |
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13 | 13 | #include <stddef.h> |
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14 | 14 | #include <string.h> |
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15 | 15 | |
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16 | 16 | #include "bitmanipulation.h" |
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17 | 17 | #include "charencode.h" |
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18 | 18 | #include "util.h" |
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19 | 19 | |
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20 | 20 | #ifdef IS_PY3K |
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21 | 21 | /* The mapping of Python types is meant to be temporary to get Python |
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22 | 22 | * 3 to compile. We should remove this once Python 3 support is fully |
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23 | 23 | * supported and proper types are used in the extensions themselves. */ |
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24 | 24 | #define PyInt_Check PyLong_Check |
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25 | 25 | #define PyInt_FromLong PyLong_FromLong |
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26 | 26 | #define PyInt_FromSsize_t PyLong_FromSsize_t |
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27 | 27 | #define PyInt_AsLong PyLong_AsLong |
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28 | 28 | #else |
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29 | 29 | /* Windows on Python 2.7 doesn't define S_IFLNK. Python 3+ defines via |
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30 | 30 | * pyport.h. */ |
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31 | 31 | #ifndef S_IFLNK |
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32 | 32 | #define S_IFLNK 0120000 |
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33 | 33 | #endif |
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34 | 34 | #endif |
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35 | 35 | |
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36 | 36 | static const char *const versionerrortext = "Python minor version mismatch"; |
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37 | 37 | |
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38 | 38 | static const int dirstate_v1_from_p2 = -2; |
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39 | 39 | static const int dirstate_v1_nonnormal = -1; |
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40 | 40 | static const int ambiguous_time = -1; |
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41 | 41 | |
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42 | 42 | static PyObject *dict_new_presized(PyObject *self, PyObject *args) |
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43 | 43 | { |
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44 | 44 | Py_ssize_t expected_size; |
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45 | 45 | |
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46 | 46 | if (!PyArg_ParseTuple(args, "n:make_presized_dict", &expected_size)) { |
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47 | 47 | return NULL; |
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48 | 48 | } |
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49 | 49 | |
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50 | 50 | return _dict_new_presized(expected_size); |
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51 | 51 | } |
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52 | 52 | |
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53 | 53 | static PyObject *dirstate_item_new(PyTypeObject *subtype, PyObject *args, |
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54 | 54 | PyObject *kwds) |
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55 | 55 | { |
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56 | 56 | /* We do all the initialization here and not a tp_init function because |
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57 | 57 | * dirstate_item is immutable. */ |
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58 | 58 | dirstateItemObject *t; |
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59 | 59 | int wc_tracked; |
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60 | 60 | int p1_tracked; |
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61 | 61 | int p2_info; |
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62 | 62 | int has_meaningful_data; |
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63 | 63 | int has_meaningful_mtime; |
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64 | 64 | int mtime_second_ambiguous; |
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65 | 65 | int mode; |
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66 | 66 | int size; |
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67 | 67 | int mtime_s; |
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68 | 68 | int mtime_ns; |
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69 | 69 | PyObject *parentfiledata; |
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70 | 70 | PyObject *mtime; |
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71 | 71 | PyObject *fallback_exec; |
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72 | 72 | PyObject *fallback_symlink; |
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73 | 73 | static char *keywords_name[] = { |
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74 | 74 | "wc_tracked", "p1_tracked", "p2_info", |
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75 | 75 | "has_meaningful_data", "has_meaningful_mtime", "parentfiledata", |
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76 | 76 | "fallback_exec", "fallback_symlink", NULL, |
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77 | 77 | }; |
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78 | 78 | wc_tracked = 0; |
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79 | 79 | p1_tracked = 0; |
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80 | 80 | p2_info = 0; |
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81 | 81 | has_meaningful_mtime = 1; |
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82 | 82 | has_meaningful_data = 1; |
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83 | 83 | mtime_second_ambiguous = 0; |
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84 | 84 | parentfiledata = Py_None; |
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85 | 85 | fallback_exec = Py_None; |
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86 | 86 | fallback_symlink = Py_None; |
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87 | 87 | if (!PyArg_ParseTupleAndKeywords(args, kwds, "|iiiiiOOO", keywords_name, |
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88 | 88 | &wc_tracked, &p1_tracked, &p2_info, |
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89 | 89 | &has_meaningful_data, |
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90 | 90 | &has_meaningful_mtime, &parentfiledata, |
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91 | 91 | &fallback_exec, &fallback_symlink)) { |
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92 | 92 | return NULL; |
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93 | 93 | } |
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94 | 94 | t = (dirstateItemObject *)subtype->tp_alloc(subtype, 1); |
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95 | 95 | if (!t) { |
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96 | 96 | return NULL; |
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97 | 97 | } |
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98 | 98 | |
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99 | 99 | t->flags = 0; |
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100 | 100 | if (wc_tracked) { |
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101 | 101 | t->flags |= dirstate_flag_wc_tracked; |
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102 | 102 | } |
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103 | 103 | if (p1_tracked) { |
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104 | 104 | t->flags |= dirstate_flag_p1_tracked; |
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105 | 105 | } |
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106 | 106 | if (p2_info) { |
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107 | 107 | t->flags |= dirstate_flag_p2_info; |
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108 | 108 | } |
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109 | 109 | |
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110 | 110 | if (fallback_exec != Py_None) { |
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111 | 111 | t->flags |= dirstate_flag_has_fallback_exec; |
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112 | 112 | if (PyObject_IsTrue(fallback_exec)) { |
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113 | 113 | t->flags |= dirstate_flag_fallback_exec; |
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114 | 114 | } |
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115 | 115 | } |
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116 | 116 | if (fallback_symlink != Py_None) { |
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117 | 117 | t->flags |= dirstate_flag_has_fallback_symlink; |
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118 | 118 | if (PyObject_IsTrue(fallback_symlink)) { |
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119 | 119 | t->flags |= dirstate_flag_fallback_symlink; |
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120 | 120 | } |
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121 | 121 | } |
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122 | 122 | |
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123 | 123 | if (parentfiledata != Py_None) { |
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124 | 124 | if (!PyArg_ParseTuple(parentfiledata, "iiO", &mode, &size, |
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125 | 125 | &mtime)) { |
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126 | 126 | return NULL; |
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127 | 127 | } |
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128 | 128 | if (mtime != Py_None) { |
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129 | 129 | if (!PyArg_ParseTuple(mtime, "iii", &mtime_s, &mtime_ns, |
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130 | 130 | &mtime_second_ambiguous)) { |
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131 | 131 | return NULL; |
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132 | 132 | } |
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133 | 133 | } else { |
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134 | 134 | has_meaningful_mtime = 0; |
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135 | 135 | } |
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136 | 136 | } else { |
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137 | 137 | has_meaningful_data = 0; |
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138 | 138 | has_meaningful_mtime = 0; |
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139 | 139 | } |
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140 | 140 | if (has_meaningful_data) { |
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141 | 141 | t->flags |= dirstate_flag_has_meaningful_data; |
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142 | 142 | t->mode = mode; |
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143 | 143 | t->size = size; |
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144 | 144 | if (mtime_second_ambiguous) { |
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145 | 145 | t->flags |= dirstate_flag_mtime_second_ambiguous; |
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146 | 146 | } |
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147 | 147 | } else { |
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148 | 148 | t->mode = 0; |
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149 | 149 | t->size = 0; |
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150 | 150 | } |
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151 | 151 | if (has_meaningful_mtime) { |
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152 | 152 | t->flags |= dirstate_flag_has_mtime; |
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153 | 153 | t->mtime_s = mtime_s; |
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154 | 154 | t->mtime_ns = mtime_ns; |
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155 | 155 | } else { |
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156 | 156 | t->mtime_s = 0; |
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157 | 157 | t->mtime_ns = 0; |
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158 | 158 | } |
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159 | 159 | return (PyObject *)t; |
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160 | 160 | } |
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161 | 161 | |
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162 | 162 | static void dirstate_item_dealloc(PyObject *o) |
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163 | 163 | { |
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164 | 164 | PyObject_Del(o); |
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165 | 165 | } |
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166 | 166 | |
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167 | 167 | static inline bool dirstate_item_c_tracked(dirstateItemObject *self) |
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168 | 168 | { |
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169 | 169 | return (self->flags & dirstate_flag_wc_tracked); |
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170 | 170 | } |
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171 | 171 | |
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172 | 172 | static inline bool dirstate_item_c_any_tracked(dirstateItemObject *self) |
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173 | 173 | { |
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174 | 174 | const int mask = dirstate_flag_wc_tracked | dirstate_flag_p1_tracked | |
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175 | 175 | dirstate_flag_p2_info; |
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176 | 176 | return (self->flags & mask); |
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177 | 177 | } |
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178 | 178 | |
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179 | 179 | static inline bool dirstate_item_c_added(dirstateItemObject *self) |
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180 | 180 | { |
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181 | 181 | const int mask = (dirstate_flag_wc_tracked | dirstate_flag_p1_tracked | |
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182 | 182 | dirstate_flag_p2_info); |
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183 | 183 | const int target = dirstate_flag_wc_tracked; |
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184 | 184 | return (self->flags & mask) == target; |
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185 | 185 | } |
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186 | 186 | |
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187 | 187 | static inline bool dirstate_item_c_removed(dirstateItemObject *self) |
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188 | 188 | { |
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189 | 189 | if (self->flags & dirstate_flag_wc_tracked) { |
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190 | 190 | return false; |
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191 | 191 | } |
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192 | 192 | return (self->flags & |
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193 | 193 | (dirstate_flag_p1_tracked | dirstate_flag_p2_info)); |
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194 | 194 | } |
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195 | 195 | |
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196 | 196 | static inline bool dirstate_item_c_merged(dirstateItemObject *self) |
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197 | 197 | { |
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198 | 198 | return ((self->flags & dirstate_flag_wc_tracked) && |
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199 | 199 | (self->flags & dirstate_flag_p1_tracked) && |
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200 | 200 | (self->flags & dirstate_flag_p2_info)); |
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201 | 201 | } |
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202 | 202 | |
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203 | 203 | static inline bool dirstate_item_c_from_p2(dirstateItemObject *self) |
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204 | 204 | { |
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205 | 205 | return ((self->flags & dirstate_flag_wc_tracked) && |
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206 | 206 | !(self->flags & dirstate_flag_p1_tracked) && |
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207 | 207 | (self->flags & dirstate_flag_p2_info)); |
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208 | 208 | } |
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209 | 209 | |
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210 | 210 | static inline char dirstate_item_c_v1_state(dirstateItemObject *self) |
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211 | 211 | { |
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212 | 212 | if (dirstate_item_c_removed(self)) { |
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213 | 213 | return 'r'; |
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214 | 214 | } else if (dirstate_item_c_merged(self)) { |
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215 | 215 | return 'm'; |
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216 | 216 | } else if (dirstate_item_c_added(self)) { |
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217 | 217 | return 'a'; |
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218 | 218 | } else { |
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219 | 219 | return 'n'; |
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220 | 220 | } |
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221 | 221 | } |
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222 | 222 | |
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223 | 223 | static inline bool dirstate_item_c_has_fallback_exec(dirstateItemObject *self) |
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224 | 224 | { |
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225 | 225 | return (bool)self->flags & dirstate_flag_has_fallback_exec; |
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226 | 226 | } |
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227 | 227 | |
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228 | 228 | static inline bool |
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229 | 229 | dirstate_item_c_has_fallback_symlink(dirstateItemObject *self) |
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230 | 230 | { |
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231 | 231 | return (bool)self->flags & dirstate_flag_has_fallback_symlink; |
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232 | 232 | } |
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233 | 233 | |
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234 | 234 | static inline int dirstate_item_c_v1_mode(dirstateItemObject *self) |
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235 | 235 | { |
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236 | 236 | if (self->flags & dirstate_flag_has_meaningful_data) { |
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237 | 237 | return self->mode; |
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238 | 238 | } else { |
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239 | 239 | return 0; |
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240 | 240 | } |
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241 | 241 | } |
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242 | 242 | |
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243 | 243 | static inline int dirstate_item_c_v1_size(dirstateItemObject *self) |
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244 | 244 | { |
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245 | 245 | if (!(self->flags & dirstate_flag_wc_tracked) && |
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246 | 246 | (self->flags & dirstate_flag_p2_info)) { |
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247 | 247 | if (self->flags & dirstate_flag_p1_tracked) { |
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248 | 248 | return dirstate_v1_nonnormal; |
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249 | 249 | } else { |
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250 | 250 | return dirstate_v1_from_p2; |
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251 | 251 | } |
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252 | 252 | } else if (dirstate_item_c_removed(self)) { |
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253 | 253 | return 0; |
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254 | 254 | } else if (self->flags & dirstate_flag_p2_info) { |
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255 | 255 | return dirstate_v1_from_p2; |
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256 | 256 | } else if (dirstate_item_c_added(self)) { |
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257 | 257 | return dirstate_v1_nonnormal; |
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258 | 258 | } else if (self->flags & dirstate_flag_has_meaningful_data) { |
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259 | 259 | return self->size; |
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260 | 260 | } else { |
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261 | 261 | return dirstate_v1_nonnormal; |
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262 | 262 | } |
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263 | 263 | } |
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264 | 264 | |
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265 | 265 | static inline int dirstate_item_c_v1_mtime(dirstateItemObject *self) |
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266 | 266 | { |
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267 | 267 | if (dirstate_item_c_removed(self)) { |
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268 | 268 | return 0; |
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269 | 269 | } else if (!(self->flags & dirstate_flag_has_mtime) || |
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270 | 270 | !(self->flags & dirstate_flag_p1_tracked) || |
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271 | 271 | !(self->flags & dirstate_flag_wc_tracked) || |
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272 |
(self->flags & dirstate_flag_p2_info) |
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272 | (self->flags & dirstate_flag_p2_info) || | |
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273 | (self->flags & dirstate_flag_mtime_second_ambiguous)) { | |
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273 | 274 | return ambiguous_time; |
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274 | 275 | } else { |
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275 | 276 | return self->mtime_s; |
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276 | 277 | } |
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277 | 278 | } |
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278 | 279 | |
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279 | 280 | static PyObject *dirstate_item_v2_data(dirstateItemObject *self) |
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280 | 281 | { |
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281 | 282 | int flags = self->flags; |
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282 | 283 | int mode = dirstate_item_c_v1_mode(self); |
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283 | 284 | #ifdef S_IXUSR |
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284 | 285 | /* This is for platforms with an exec bit */ |
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285 | 286 | if ((mode & S_IXUSR) != 0) { |
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286 | 287 | flags |= dirstate_flag_mode_exec_perm; |
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287 | 288 | } else { |
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288 | 289 | flags &= ~dirstate_flag_mode_exec_perm; |
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289 | 290 | } |
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290 | 291 | #else |
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291 | 292 | flags &= ~dirstate_flag_mode_exec_perm; |
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292 | 293 | #endif |
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293 | 294 | #ifdef S_ISLNK |
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294 | 295 | /* This is for platforms with support for symlinks */ |
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295 | 296 | if (S_ISLNK(mode)) { |
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296 | 297 | flags |= dirstate_flag_mode_is_symlink; |
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297 | 298 | } else { |
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298 | 299 | flags &= ~dirstate_flag_mode_is_symlink; |
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299 | 300 | } |
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300 | 301 | #else |
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301 | 302 | flags &= ~dirstate_flag_mode_is_symlink; |
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302 | 303 | #endif |
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303 | 304 | return Py_BuildValue("iiii", flags, self->size, self->mtime_s, |
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304 | 305 | self->mtime_ns); |
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305 | 306 | }; |
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306 | 307 | |
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307 | 308 | static PyObject *dirstate_item_v1_state(dirstateItemObject *self) |
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308 | 309 | { |
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309 | 310 | char state = dirstate_item_c_v1_state(self); |
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310 | 311 | return PyBytes_FromStringAndSize(&state, 1); |
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311 | 312 | }; |
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312 | 313 | |
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313 | 314 | static PyObject *dirstate_item_v1_mode(dirstateItemObject *self) |
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314 | 315 | { |
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315 | 316 | return PyInt_FromLong(dirstate_item_c_v1_mode(self)); |
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316 | 317 | }; |
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317 | 318 | |
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318 | 319 | static PyObject *dirstate_item_v1_size(dirstateItemObject *self) |
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319 | 320 | { |
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320 | 321 | return PyInt_FromLong(dirstate_item_c_v1_size(self)); |
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321 | 322 | }; |
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322 | 323 | |
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323 | 324 | static PyObject *dirstate_item_v1_mtime(dirstateItemObject *self) |
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324 | 325 | { |
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325 | 326 | return PyInt_FromLong(dirstate_item_c_v1_mtime(self)); |
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326 | 327 | }; |
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327 | 328 | |
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328 | 329 | static PyObject *dirstate_item_mtime_likely_equal_to(dirstateItemObject *self, |
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329 | 330 | PyObject *other) |
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330 | 331 | { |
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331 | 332 | int other_s; |
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332 | 333 | int other_ns; |
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333 | 334 | int other_second_ambiguous; |
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334 | 335 | if (!PyArg_ParseTuple(other, "iii", &other_s, &other_ns, |
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335 | 336 | &other_second_ambiguous)) { |
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336 | 337 | return NULL; |
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337 | 338 | } |
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338 | 339 | if (!(self->flags & dirstate_flag_has_mtime)) { |
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339 | 340 | Py_RETURN_FALSE; |
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340 | 341 | } |
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341 | 342 | if (self->mtime_s != other_s) { |
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342 | 343 | Py_RETURN_FALSE; |
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343 | 344 | } |
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344 | 345 | if (self->mtime_ns == 0 || other_ns == 0) { |
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345 | 346 | if (self->flags & dirstate_flag_mtime_second_ambiguous) { |
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346 | 347 | Py_RETURN_FALSE; |
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347 | 348 | } else { |
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348 | 349 | Py_RETURN_TRUE; |
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349 | 350 | } |
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350 | 351 | } |
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351 | 352 | if (self->mtime_ns == other_ns) { |
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352 | 353 | Py_RETURN_TRUE; |
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353 | 354 | } else { |
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354 | 355 | Py_RETURN_FALSE; |
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355 | 356 | } |
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356 | 357 | }; |
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357 | 358 | |
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358 | 359 | /* This will never change since it's bound to V1 |
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359 | 360 | */ |
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360 | 361 | static inline dirstateItemObject * |
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361 | 362 | dirstate_item_from_v1_data(char state, int mode, int size, int mtime) |
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362 | 363 | { |
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363 | 364 | dirstateItemObject *t = |
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364 | 365 | PyObject_New(dirstateItemObject, &dirstateItemType); |
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365 | 366 | if (!t) { |
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366 | 367 | return NULL; |
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367 | 368 | } |
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368 | 369 | t->flags = 0; |
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369 | 370 | t->mode = 0; |
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370 | 371 | t->size = 0; |
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371 | 372 | t->mtime_s = 0; |
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372 | 373 | t->mtime_ns = 0; |
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373 | 374 | |
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374 | 375 | if (state == 'm') { |
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375 | 376 | t->flags = (dirstate_flag_wc_tracked | |
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376 | 377 | dirstate_flag_p1_tracked | dirstate_flag_p2_info); |
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377 | 378 | } else if (state == 'a') { |
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378 | 379 | t->flags = dirstate_flag_wc_tracked; |
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379 | 380 | } else if (state == 'r') { |
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380 | 381 | if (size == dirstate_v1_nonnormal) { |
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381 | 382 | t->flags = |
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382 | 383 | dirstate_flag_p1_tracked | dirstate_flag_p2_info; |
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383 | 384 | } else if (size == dirstate_v1_from_p2) { |
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384 | 385 | t->flags = dirstate_flag_p2_info; |
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385 | 386 | } else { |
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386 | 387 | t->flags = dirstate_flag_p1_tracked; |
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387 | 388 | } |
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388 | 389 | } else if (state == 'n') { |
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389 | 390 | if (size == dirstate_v1_from_p2) { |
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390 | 391 | t->flags = |
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391 | 392 | dirstate_flag_wc_tracked | dirstate_flag_p2_info; |
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392 | 393 | } else if (size == dirstate_v1_nonnormal) { |
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393 | 394 | t->flags = |
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394 | 395 | dirstate_flag_wc_tracked | dirstate_flag_p1_tracked; |
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395 | 396 | } else if (mtime == ambiguous_time) { |
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396 | 397 | t->flags = (dirstate_flag_wc_tracked | |
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397 | 398 | dirstate_flag_p1_tracked | |
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398 | 399 | dirstate_flag_has_meaningful_data); |
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399 | 400 | t->mode = mode; |
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400 | 401 | t->size = size; |
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401 | 402 | } else { |
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402 | 403 | t->flags = (dirstate_flag_wc_tracked | |
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403 | 404 | dirstate_flag_p1_tracked | |
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404 | 405 | dirstate_flag_has_meaningful_data | |
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405 | 406 | dirstate_flag_has_mtime); |
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406 | 407 | t->mode = mode; |
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407 | 408 | t->size = size; |
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408 | 409 | t->mtime_s = mtime; |
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409 | 410 | } |
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410 | 411 | } else { |
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411 | 412 | PyErr_Format(PyExc_RuntimeError, |
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412 | 413 | "unknown state: `%c` (%d, %d, %d)", state, mode, |
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413 | 414 | size, mtime, NULL); |
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414 | 415 | Py_DECREF(t); |
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415 | 416 | return NULL; |
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416 | 417 | } |
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417 | 418 | |
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418 | 419 | return t; |
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419 | 420 | } |
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420 | 421 | |
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421 | 422 | /* This will never change since it's bound to V1, unlike `dirstate_item_new` */ |
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422 | 423 | static PyObject *dirstate_item_from_v1_meth(PyTypeObject *subtype, |
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423 | 424 | PyObject *args) |
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424 | 425 | { |
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425 | 426 | /* We do all the initialization here and not a tp_init function because |
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426 | 427 | * dirstate_item is immutable. */ |
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427 | 428 | char state; |
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428 | 429 | int size, mode, mtime; |
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429 | 430 | if (!PyArg_ParseTuple(args, "ciii", &state, &mode, &size, &mtime)) { |
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430 | 431 | return NULL; |
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431 | 432 | } |
|
432 | 433 | return (PyObject *)dirstate_item_from_v1_data(state, mode, size, mtime); |
|
433 | 434 | }; |
|
434 | 435 | |
|
435 | 436 | static PyObject *dirstate_item_from_v2_meth(PyTypeObject *subtype, |
|
436 | 437 | PyObject *args) |
|
437 | 438 | { |
|
438 | 439 | dirstateItemObject *t = |
|
439 | 440 | PyObject_New(dirstateItemObject, &dirstateItemType); |
|
440 | 441 | if (!t) { |
|
441 | 442 | return NULL; |
|
442 | 443 | } |
|
443 | 444 | if (!PyArg_ParseTuple(args, "iiii", &t->flags, &t->size, &t->mtime_s, |
|
444 | 445 | &t->mtime_ns)) { |
|
445 | 446 | return NULL; |
|
446 | 447 | } |
|
447 | 448 | if (t->flags & dirstate_flag_expected_state_is_modified) { |
|
448 | 449 | t->flags &= ~(dirstate_flag_expected_state_is_modified | |
|
449 | 450 | dirstate_flag_has_meaningful_data | |
|
450 | 451 | dirstate_flag_has_mtime); |
|
451 | 452 | } |
|
452 | 453 | if (t->flags & dirstate_flag_mtime_second_ambiguous) { |
|
453 | 454 | /* The current code is not able to do the more subtle comparison |
|
454 | 455 | * that the MTIME_SECOND_AMBIGUOUS requires. So we ignore the |
|
455 | 456 | * mtime */ |
|
456 | 457 | t->flags &= ~(dirstate_flag_mtime_second_ambiguous | |
|
457 | 458 | dirstate_flag_has_meaningful_data | |
|
458 | 459 | dirstate_flag_has_mtime); |
|
459 | 460 | } |
|
460 | 461 | t->mode = 0; |
|
461 | 462 | if (t->flags & dirstate_flag_has_meaningful_data) { |
|
462 | 463 | if (t->flags & dirstate_flag_mode_exec_perm) { |
|
463 | 464 | t->mode = 0755; |
|
464 | 465 | } else { |
|
465 | 466 | t->mode = 0644; |
|
466 | 467 | } |
|
467 | 468 | if (t->flags & dirstate_flag_mode_is_symlink) { |
|
468 | 469 | t->mode |= S_IFLNK; |
|
469 | 470 | } else { |
|
470 | 471 | t->mode |= S_IFREG; |
|
471 | 472 | } |
|
472 | 473 | } |
|
473 | 474 | return (PyObject *)t; |
|
474 | 475 | }; |
|
475 | 476 | |
|
476 | 477 | /* This means the next status call will have to actually check its content |
|
477 | 478 | to make sure it is correct. */ |
|
478 | 479 | static PyObject *dirstate_item_set_possibly_dirty(dirstateItemObject *self) |
|
479 | 480 | { |
|
480 | 481 | self->flags &= ~dirstate_flag_has_mtime; |
|
481 | 482 | Py_RETURN_NONE; |
|
482 | 483 | } |
|
483 | 484 | |
|
484 | 485 | /* See docstring of the python implementation for details */ |
|
485 | 486 | static PyObject *dirstate_item_set_clean(dirstateItemObject *self, |
|
486 | 487 | PyObject *args) |
|
487 | 488 | { |
|
488 | 489 | int size, mode, mtime_s, mtime_ns, mtime_second_ambiguous; |
|
489 | 490 | PyObject *mtime; |
|
490 | 491 | mtime_s = 0; |
|
491 | 492 | mtime_ns = 0; |
|
492 | 493 | mtime_second_ambiguous = 0; |
|
493 | 494 | if (!PyArg_ParseTuple(args, "iiO", &mode, &size, &mtime)) { |
|
494 | 495 | return NULL; |
|
495 | 496 | } |
|
496 | 497 | if (mtime != Py_None) { |
|
497 | 498 | if (!PyArg_ParseTuple(mtime, "iii", &mtime_s, &mtime_ns, |
|
498 | 499 | &mtime_second_ambiguous)) { |
|
499 | 500 | return NULL; |
|
500 | 501 | } |
|
501 | 502 | } else { |
|
502 | 503 | self->flags &= ~dirstate_flag_has_mtime; |
|
503 | 504 | } |
|
504 | 505 | self->flags = dirstate_flag_wc_tracked | dirstate_flag_p1_tracked | |
|
505 | 506 | dirstate_flag_has_meaningful_data | |
|
506 | 507 | dirstate_flag_has_mtime; |
|
507 | 508 | if (mtime_second_ambiguous) { |
|
508 | 509 | self->flags |= dirstate_flag_mtime_second_ambiguous; |
|
509 | 510 | } |
|
510 | 511 | self->mode = mode; |
|
511 | 512 | self->size = size; |
|
512 | 513 | self->mtime_s = mtime_s; |
|
513 | 514 | self->mtime_ns = mtime_ns; |
|
514 | 515 | Py_RETURN_NONE; |
|
515 | 516 | } |
|
516 | 517 | |
|
517 | 518 | static PyObject *dirstate_item_set_tracked(dirstateItemObject *self) |
|
518 | 519 | { |
|
519 | 520 | self->flags |= dirstate_flag_wc_tracked; |
|
520 | 521 | self->flags &= ~dirstate_flag_has_mtime; |
|
521 | 522 | Py_RETURN_NONE; |
|
522 | 523 | } |
|
523 | 524 | |
|
524 | 525 | static PyObject *dirstate_item_set_untracked(dirstateItemObject *self) |
|
525 | 526 | { |
|
526 | 527 | self->flags &= ~dirstate_flag_wc_tracked; |
|
527 | 528 | self->mode = 0; |
|
528 | 529 | self->size = 0; |
|
529 | 530 | self->mtime_s = 0; |
|
530 | 531 | self->mtime_ns = 0; |
|
531 | 532 | Py_RETURN_NONE; |
|
532 | 533 | } |
|
533 | 534 | |
|
534 | 535 | static PyObject *dirstate_item_drop_merge_data(dirstateItemObject *self) |
|
535 | 536 | { |
|
536 | 537 | if (self->flags & dirstate_flag_p2_info) { |
|
537 | 538 | self->flags &= ~(dirstate_flag_p2_info | |
|
538 | 539 | dirstate_flag_has_meaningful_data | |
|
539 | 540 | dirstate_flag_has_mtime); |
|
540 | 541 | self->mode = 0; |
|
541 | 542 | self->size = 0; |
|
542 | 543 | self->mtime_s = 0; |
|
543 | 544 | self->mtime_ns = 0; |
|
544 | 545 | } |
|
545 | 546 | Py_RETURN_NONE; |
|
546 | 547 | } |
|
547 | 548 | static PyMethodDef dirstate_item_methods[] = { |
|
548 | 549 | {"v2_data", (PyCFunction)dirstate_item_v2_data, METH_NOARGS, |
|
549 | 550 | "return data suitable for v2 serialization"}, |
|
550 | 551 | {"v1_state", (PyCFunction)dirstate_item_v1_state, METH_NOARGS, |
|
551 | 552 | "return a \"state\" suitable for v1 serialization"}, |
|
552 | 553 | {"v1_mode", (PyCFunction)dirstate_item_v1_mode, METH_NOARGS, |
|
553 | 554 | "return a \"mode\" suitable for v1 serialization"}, |
|
554 | 555 | {"v1_size", (PyCFunction)dirstate_item_v1_size, METH_NOARGS, |
|
555 | 556 | "return a \"size\" suitable for v1 serialization"}, |
|
556 | 557 | {"v1_mtime", (PyCFunction)dirstate_item_v1_mtime, METH_NOARGS, |
|
557 | 558 | "return a \"mtime\" suitable for v1 serialization"}, |
|
558 | 559 | {"mtime_likely_equal_to", (PyCFunction)dirstate_item_mtime_likely_equal_to, |
|
559 | 560 | METH_O, "True if the stored mtime is likely equal to the given mtime"}, |
|
560 | 561 | {"from_v1_data", (PyCFunction)dirstate_item_from_v1_meth, |
|
561 | 562 | METH_VARARGS | METH_CLASS, "build a new DirstateItem object from V1 data"}, |
|
562 | 563 | {"from_v2_data", (PyCFunction)dirstate_item_from_v2_meth, |
|
563 | 564 | METH_VARARGS | METH_CLASS, "build a new DirstateItem object from V2 data"}, |
|
564 | 565 | {"set_possibly_dirty", (PyCFunction)dirstate_item_set_possibly_dirty, |
|
565 | 566 | METH_NOARGS, "mark a file as \"possibly dirty\""}, |
|
566 | 567 | {"set_clean", (PyCFunction)dirstate_item_set_clean, METH_VARARGS, |
|
567 | 568 | "mark a file as \"clean\""}, |
|
568 | 569 | {"set_tracked", (PyCFunction)dirstate_item_set_tracked, METH_NOARGS, |
|
569 | 570 | "mark a file as \"tracked\""}, |
|
570 | 571 | {"set_untracked", (PyCFunction)dirstate_item_set_untracked, METH_NOARGS, |
|
571 | 572 | "mark a file as \"untracked\""}, |
|
572 | 573 | {"drop_merge_data", (PyCFunction)dirstate_item_drop_merge_data, METH_NOARGS, |
|
573 | 574 | "remove all \"merge-only\" from a DirstateItem"}, |
|
574 | 575 | {NULL} /* Sentinel */ |
|
575 | 576 | }; |
|
576 | 577 | |
|
577 | 578 | static PyObject *dirstate_item_get_mode(dirstateItemObject *self) |
|
578 | 579 | { |
|
579 | 580 | return PyInt_FromLong(dirstate_item_c_v1_mode(self)); |
|
580 | 581 | }; |
|
581 | 582 | |
|
582 | 583 | static PyObject *dirstate_item_get_size(dirstateItemObject *self) |
|
583 | 584 | { |
|
584 | 585 | return PyInt_FromLong(dirstate_item_c_v1_size(self)); |
|
585 | 586 | }; |
|
586 | 587 | |
|
587 | 588 | static PyObject *dirstate_item_get_mtime(dirstateItemObject *self) |
|
588 | 589 | { |
|
589 | 590 | return PyInt_FromLong(dirstate_item_c_v1_mtime(self)); |
|
590 | 591 | }; |
|
591 | 592 | |
|
592 | 593 | static PyObject *dirstate_item_get_state(dirstateItemObject *self) |
|
593 | 594 | { |
|
594 | 595 | char state = dirstate_item_c_v1_state(self); |
|
595 | 596 | return PyBytes_FromStringAndSize(&state, 1); |
|
596 | 597 | }; |
|
597 | 598 | |
|
598 | 599 | static PyObject *dirstate_item_get_has_fallback_exec(dirstateItemObject *self) |
|
599 | 600 | { |
|
600 | 601 | if (dirstate_item_c_has_fallback_exec(self)) { |
|
601 | 602 | Py_RETURN_TRUE; |
|
602 | 603 | } else { |
|
603 | 604 | Py_RETURN_FALSE; |
|
604 | 605 | } |
|
605 | 606 | }; |
|
606 | 607 | |
|
607 | 608 | static PyObject *dirstate_item_get_fallback_exec(dirstateItemObject *self) |
|
608 | 609 | { |
|
609 | 610 | if (dirstate_item_c_has_fallback_exec(self)) { |
|
610 | 611 | if (self->flags & dirstate_flag_fallback_exec) { |
|
611 | 612 | Py_RETURN_TRUE; |
|
612 | 613 | } else { |
|
613 | 614 | Py_RETURN_FALSE; |
|
614 | 615 | } |
|
615 | 616 | } else { |
|
616 | 617 | Py_RETURN_NONE; |
|
617 | 618 | } |
|
618 | 619 | }; |
|
619 | 620 | |
|
620 | 621 | static int dirstate_item_set_fallback_exec(dirstateItemObject *self, |
|
621 | 622 | PyObject *value) |
|
622 | 623 | { |
|
623 | 624 | if ((value == Py_None) || (value == NULL)) { |
|
624 | 625 | self->flags &= ~dirstate_flag_has_fallback_exec; |
|
625 | 626 | } else { |
|
626 | 627 | self->flags |= dirstate_flag_has_fallback_exec; |
|
627 | 628 | if (PyObject_IsTrue(value)) { |
|
628 | 629 | self->flags |= dirstate_flag_fallback_exec; |
|
629 | 630 | } else { |
|
630 | 631 | self->flags &= ~dirstate_flag_fallback_exec; |
|
631 | 632 | } |
|
632 | 633 | } |
|
633 | 634 | return 0; |
|
634 | 635 | }; |
|
635 | 636 | |
|
636 | 637 | static PyObject * |
|
637 | 638 | dirstate_item_get_has_fallback_symlink(dirstateItemObject *self) |
|
638 | 639 | { |
|
639 | 640 | if (dirstate_item_c_has_fallback_symlink(self)) { |
|
640 | 641 | Py_RETURN_TRUE; |
|
641 | 642 | } else { |
|
642 | 643 | Py_RETURN_FALSE; |
|
643 | 644 | } |
|
644 | 645 | }; |
|
645 | 646 | |
|
646 | 647 | static PyObject *dirstate_item_get_fallback_symlink(dirstateItemObject *self) |
|
647 | 648 | { |
|
648 | 649 | if (dirstate_item_c_has_fallback_symlink(self)) { |
|
649 | 650 | if (self->flags & dirstate_flag_fallback_symlink) { |
|
650 | 651 | Py_RETURN_TRUE; |
|
651 | 652 | } else { |
|
652 | 653 | Py_RETURN_FALSE; |
|
653 | 654 | } |
|
654 | 655 | } else { |
|
655 | 656 | Py_RETURN_NONE; |
|
656 | 657 | } |
|
657 | 658 | }; |
|
658 | 659 | |
|
659 | 660 | static int dirstate_item_set_fallback_symlink(dirstateItemObject *self, |
|
660 | 661 | PyObject *value) |
|
661 | 662 | { |
|
662 | 663 | if ((value == Py_None) || (value == NULL)) { |
|
663 | 664 | self->flags &= ~dirstate_flag_has_fallback_symlink; |
|
664 | 665 | } else { |
|
665 | 666 | self->flags |= dirstate_flag_has_fallback_symlink; |
|
666 | 667 | if (PyObject_IsTrue(value)) { |
|
667 | 668 | self->flags |= dirstate_flag_fallback_symlink; |
|
668 | 669 | } else { |
|
669 | 670 | self->flags &= ~dirstate_flag_fallback_symlink; |
|
670 | 671 | } |
|
671 | 672 | } |
|
672 | 673 | return 0; |
|
673 | 674 | }; |
|
674 | 675 | |
|
675 | 676 | static PyObject *dirstate_item_get_tracked(dirstateItemObject *self) |
|
676 | 677 | { |
|
677 | 678 | if (dirstate_item_c_tracked(self)) { |
|
678 | 679 | Py_RETURN_TRUE; |
|
679 | 680 | } else { |
|
680 | 681 | Py_RETURN_FALSE; |
|
681 | 682 | } |
|
682 | 683 | }; |
|
683 | 684 | static PyObject *dirstate_item_get_p1_tracked(dirstateItemObject *self) |
|
684 | 685 | { |
|
685 | 686 | if (self->flags & dirstate_flag_p1_tracked) { |
|
686 | 687 | Py_RETURN_TRUE; |
|
687 | 688 | } else { |
|
688 | 689 | Py_RETURN_FALSE; |
|
689 | 690 | } |
|
690 | 691 | }; |
|
691 | 692 | |
|
692 | 693 | static PyObject *dirstate_item_get_added(dirstateItemObject *self) |
|
693 | 694 | { |
|
694 | 695 | if (dirstate_item_c_added(self)) { |
|
695 | 696 | Py_RETURN_TRUE; |
|
696 | 697 | } else { |
|
697 | 698 | Py_RETURN_FALSE; |
|
698 | 699 | } |
|
699 | 700 | }; |
|
700 | 701 | |
|
701 | 702 | static PyObject *dirstate_item_get_p2_info(dirstateItemObject *self) |
|
702 | 703 | { |
|
703 | 704 | if (self->flags & dirstate_flag_wc_tracked && |
|
704 | 705 | self->flags & dirstate_flag_p2_info) { |
|
705 | 706 | Py_RETURN_TRUE; |
|
706 | 707 | } else { |
|
707 | 708 | Py_RETURN_FALSE; |
|
708 | 709 | } |
|
709 | 710 | }; |
|
710 | 711 | |
|
711 | 712 | static PyObject *dirstate_item_get_merged(dirstateItemObject *self) |
|
712 | 713 | { |
|
713 | 714 | if (dirstate_item_c_merged(self)) { |
|
714 | 715 | Py_RETURN_TRUE; |
|
715 | 716 | } else { |
|
716 | 717 | Py_RETURN_FALSE; |
|
717 | 718 | } |
|
718 | 719 | }; |
|
719 | 720 | |
|
720 | 721 | static PyObject *dirstate_item_get_from_p2(dirstateItemObject *self) |
|
721 | 722 | { |
|
722 | 723 | if (dirstate_item_c_from_p2(self)) { |
|
723 | 724 | Py_RETURN_TRUE; |
|
724 | 725 | } else { |
|
725 | 726 | Py_RETURN_FALSE; |
|
726 | 727 | } |
|
727 | 728 | }; |
|
728 | 729 | |
|
729 | 730 | static PyObject *dirstate_item_get_maybe_clean(dirstateItemObject *self) |
|
730 | 731 | { |
|
731 | 732 | if (!(self->flags & dirstate_flag_wc_tracked)) { |
|
732 | 733 | Py_RETURN_FALSE; |
|
733 | 734 | } else if (!(self->flags & dirstate_flag_p1_tracked)) { |
|
734 | 735 | Py_RETURN_FALSE; |
|
735 | 736 | } else if (self->flags & dirstate_flag_p2_info) { |
|
736 | 737 | Py_RETURN_FALSE; |
|
737 | 738 | } else { |
|
738 | 739 | Py_RETURN_TRUE; |
|
739 | 740 | } |
|
740 | 741 | }; |
|
741 | 742 | |
|
742 | 743 | static PyObject *dirstate_item_get_any_tracked(dirstateItemObject *self) |
|
743 | 744 | { |
|
744 | 745 | if (dirstate_item_c_any_tracked(self)) { |
|
745 | 746 | Py_RETURN_TRUE; |
|
746 | 747 | } else { |
|
747 | 748 | Py_RETURN_FALSE; |
|
748 | 749 | } |
|
749 | 750 | }; |
|
750 | 751 | |
|
751 | 752 | static PyObject *dirstate_item_get_removed(dirstateItemObject *self) |
|
752 | 753 | { |
|
753 | 754 | if (dirstate_item_c_removed(self)) { |
|
754 | 755 | Py_RETURN_TRUE; |
|
755 | 756 | } else { |
|
756 | 757 | Py_RETURN_FALSE; |
|
757 | 758 | } |
|
758 | 759 | }; |
|
759 | 760 | |
|
760 | 761 | static PyGetSetDef dirstate_item_getset[] = { |
|
761 | 762 | {"mode", (getter)dirstate_item_get_mode, NULL, "mode", NULL}, |
|
762 | 763 | {"size", (getter)dirstate_item_get_size, NULL, "size", NULL}, |
|
763 | 764 | {"mtime", (getter)dirstate_item_get_mtime, NULL, "mtime", NULL}, |
|
764 | 765 | {"state", (getter)dirstate_item_get_state, NULL, "state", NULL}, |
|
765 | 766 | {"has_fallback_exec", (getter)dirstate_item_get_has_fallback_exec, NULL, |
|
766 | 767 | "has_fallback_exec", NULL}, |
|
767 | 768 | {"fallback_exec", (getter)dirstate_item_get_fallback_exec, |
|
768 | 769 | (setter)dirstate_item_set_fallback_exec, "fallback_exec", NULL}, |
|
769 | 770 | {"has_fallback_symlink", (getter)dirstate_item_get_has_fallback_symlink, |
|
770 | 771 | NULL, "has_fallback_symlink", NULL}, |
|
771 | 772 | {"fallback_symlink", (getter)dirstate_item_get_fallback_symlink, |
|
772 | 773 | (setter)dirstate_item_set_fallback_symlink, "fallback_symlink", NULL}, |
|
773 | 774 | {"tracked", (getter)dirstate_item_get_tracked, NULL, "tracked", NULL}, |
|
774 | 775 | {"p1_tracked", (getter)dirstate_item_get_p1_tracked, NULL, "p1_tracked", |
|
775 | 776 | NULL}, |
|
776 | 777 | {"added", (getter)dirstate_item_get_added, NULL, "added", NULL}, |
|
777 | 778 | {"p2_info", (getter)dirstate_item_get_p2_info, NULL, "p2_info", NULL}, |
|
778 | 779 | {"merged", (getter)dirstate_item_get_merged, NULL, "merged", NULL}, |
|
779 | 780 | {"from_p2", (getter)dirstate_item_get_from_p2, NULL, "from_p2", NULL}, |
|
780 | 781 | {"maybe_clean", (getter)dirstate_item_get_maybe_clean, NULL, "maybe_clean", |
|
781 | 782 | NULL}, |
|
782 | 783 | {"any_tracked", (getter)dirstate_item_get_any_tracked, NULL, "any_tracked", |
|
783 | 784 | NULL}, |
|
784 | 785 | {"removed", (getter)dirstate_item_get_removed, NULL, "removed", NULL}, |
|
785 | 786 | {NULL} /* Sentinel */ |
|
786 | 787 | }; |
|
787 | 788 | |
|
788 | 789 | PyTypeObject dirstateItemType = { |
|
789 | 790 | PyVarObject_HEAD_INIT(NULL, 0) /* header */ |
|
790 | 791 | "dirstate_tuple", /* tp_name */ |
|
791 | 792 | sizeof(dirstateItemObject), /* tp_basicsize */ |
|
792 | 793 | 0, /* tp_itemsize */ |
|
793 | 794 | (destructor)dirstate_item_dealloc, /* tp_dealloc */ |
|
794 | 795 | 0, /* tp_print */ |
|
795 | 796 | 0, /* tp_getattr */ |
|
796 | 797 | 0, /* tp_setattr */ |
|
797 | 798 | 0, /* tp_compare */ |
|
798 | 799 | 0, /* tp_repr */ |
|
799 | 800 | 0, /* tp_as_number */ |
|
800 | 801 | 0, /* tp_as_sequence */ |
|
801 | 802 | 0, /* tp_as_mapping */ |
|
802 | 803 | 0, /* tp_hash */ |
|
803 | 804 | 0, /* tp_call */ |
|
804 | 805 | 0, /* tp_str */ |
|
805 | 806 | 0, /* tp_getattro */ |
|
806 | 807 | 0, /* tp_setattro */ |
|
807 | 808 | 0, /* tp_as_buffer */ |
|
808 | 809 | Py_TPFLAGS_DEFAULT, /* tp_flags */ |
|
809 | 810 | "dirstate tuple", /* tp_doc */ |
|
810 | 811 | 0, /* tp_traverse */ |
|
811 | 812 | 0, /* tp_clear */ |
|
812 | 813 | 0, /* tp_richcompare */ |
|
813 | 814 | 0, /* tp_weaklistoffset */ |
|
814 | 815 | 0, /* tp_iter */ |
|
815 | 816 | 0, /* tp_iternext */ |
|
816 | 817 | dirstate_item_methods, /* tp_methods */ |
|
817 | 818 | 0, /* tp_members */ |
|
818 | 819 | dirstate_item_getset, /* tp_getset */ |
|
819 | 820 | 0, /* tp_base */ |
|
820 | 821 | 0, /* tp_dict */ |
|
821 | 822 | 0, /* tp_descr_get */ |
|
822 | 823 | 0, /* tp_descr_set */ |
|
823 | 824 | 0, /* tp_dictoffset */ |
|
824 | 825 | 0, /* tp_init */ |
|
825 | 826 | 0, /* tp_alloc */ |
|
826 | 827 | dirstate_item_new, /* tp_new */ |
|
827 | 828 | }; |
|
828 | 829 | |
|
829 | 830 | static PyObject *parse_dirstate(PyObject *self, PyObject *args) |
|
830 | 831 | { |
|
831 | 832 | PyObject *dmap, *cmap, *parents = NULL, *ret = NULL; |
|
832 | 833 | PyObject *fname = NULL, *cname = NULL, *entry = NULL; |
|
833 | 834 | char state, *cur, *str, *cpos; |
|
834 | 835 | int mode, size, mtime; |
|
835 | 836 | unsigned int flen, pos = 40; |
|
836 | 837 | Py_ssize_t len = 40; |
|
837 | 838 | Py_ssize_t readlen; |
|
838 | 839 | |
|
839 | 840 | if (!PyArg_ParseTuple( |
|
840 | 841 | args, PY23("O!O!s#:parse_dirstate", "O!O!y#:parse_dirstate"), |
|
841 | 842 | &PyDict_Type, &dmap, &PyDict_Type, &cmap, &str, &readlen)) { |
|
842 | 843 | goto quit; |
|
843 | 844 | } |
|
844 | 845 | |
|
845 | 846 | len = readlen; |
|
846 | 847 | |
|
847 | 848 | /* read parents */ |
|
848 | 849 | if (len < 40) { |
|
849 | 850 | PyErr_SetString(PyExc_ValueError, |
|
850 | 851 | "too little data for parents"); |
|
851 | 852 | goto quit; |
|
852 | 853 | } |
|
853 | 854 | |
|
854 | 855 | parents = Py_BuildValue(PY23("s#s#", "y#y#"), str, (Py_ssize_t)20, |
|
855 | 856 | str + 20, (Py_ssize_t)20); |
|
856 | 857 | if (!parents) { |
|
857 | 858 | goto quit; |
|
858 | 859 | } |
|
859 | 860 | |
|
860 | 861 | /* read filenames */ |
|
861 | 862 | while (pos >= 40 && pos < len) { |
|
862 | 863 | if (pos + 17 > len) { |
|
863 | 864 | PyErr_SetString(PyExc_ValueError, |
|
864 | 865 | "overflow in dirstate"); |
|
865 | 866 | goto quit; |
|
866 | 867 | } |
|
867 | 868 | cur = str + pos; |
|
868 | 869 | /* unpack header */ |
|
869 | 870 | state = *cur; |
|
870 | 871 | mode = getbe32(cur + 1); |
|
871 | 872 | size = getbe32(cur + 5); |
|
872 | 873 | mtime = getbe32(cur + 9); |
|
873 | 874 | flen = getbe32(cur + 13); |
|
874 | 875 | pos += 17; |
|
875 | 876 | cur += 17; |
|
876 | 877 | if (flen > len - pos) { |
|
877 | 878 | PyErr_SetString(PyExc_ValueError, |
|
878 | 879 | "overflow in dirstate"); |
|
879 | 880 | goto quit; |
|
880 | 881 | } |
|
881 | 882 | |
|
882 | 883 | entry = (PyObject *)dirstate_item_from_v1_data(state, mode, |
|
883 | 884 | size, mtime); |
|
884 | 885 | if (!entry) |
|
885 | 886 | goto quit; |
|
886 | 887 | cpos = memchr(cur, 0, flen); |
|
887 | 888 | if (cpos) { |
|
888 | 889 | fname = PyBytes_FromStringAndSize(cur, cpos - cur); |
|
889 | 890 | cname = PyBytes_FromStringAndSize( |
|
890 | 891 | cpos + 1, flen - (cpos - cur) - 1); |
|
891 | 892 | if (!fname || !cname || |
|
892 | 893 | PyDict_SetItem(cmap, fname, cname) == -1 || |
|
893 | 894 | PyDict_SetItem(dmap, fname, entry) == -1) { |
|
894 | 895 | goto quit; |
|
895 | 896 | } |
|
896 | 897 | Py_DECREF(cname); |
|
897 | 898 | } else { |
|
898 | 899 | fname = PyBytes_FromStringAndSize(cur, flen); |
|
899 | 900 | if (!fname || |
|
900 | 901 | PyDict_SetItem(dmap, fname, entry) == -1) { |
|
901 | 902 | goto quit; |
|
902 | 903 | } |
|
903 | 904 | } |
|
904 | 905 | Py_DECREF(fname); |
|
905 | 906 | Py_DECREF(entry); |
|
906 | 907 | fname = cname = entry = NULL; |
|
907 | 908 | pos += flen; |
|
908 | 909 | } |
|
909 | 910 | |
|
910 | 911 | ret = parents; |
|
911 | 912 | Py_INCREF(ret); |
|
912 | 913 | quit: |
|
913 | 914 | Py_XDECREF(fname); |
|
914 | 915 | Py_XDECREF(cname); |
|
915 | 916 | Py_XDECREF(entry); |
|
916 | 917 | Py_XDECREF(parents); |
|
917 | 918 | return ret; |
|
918 | 919 | } |
|
919 | 920 | |
|
920 | 921 | /* |
|
921 | 922 | * Efficiently pack a dirstate object into its on-disk format. |
|
922 | 923 | */ |
|
923 | 924 | static PyObject *pack_dirstate(PyObject *self, PyObject *args) |
|
924 | 925 | { |
|
925 | 926 | PyObject *packobj = NULL; |
|
926 | 927 | PyObject *map, *copymap, *pl, *mtime_unset = NULL; |
|
927 | 928 | Py_ssize_t nbytes, pos, l; |
|
928 | 929 | PyObject *k, *v = NULL, *pn; |
|
929 | 930 | char *p, *s; |
|
930 | 931 | |
|
931 | 932 | if (!PyArg_ParseTuple(args, "O!O!O!:pack_dirstate", &PyDict_Type, &map, |
|
932 | 933 | &PyDict_Type, ©map, &PyTuple_Type, &pl)) { |
|
933 | 934 | return NULL; |
|
934 | 935 | } |
|
935 | 936 | |
|
936 | 937 | if (PyTuple_Size(pl) != 2) { |
|
937 | 938 | PyErr_SetString(PyExc_TypeError, "expected 2-element tuple"); |
|
938 | 939 | return NULL; |
|
939 | 940 | } |
|
940 | 941 | |
|
941 | 942 | /* Figure out how much we need to allocate. */ |
|
942 | 943 | for (nbytes = 40, pos = 0; PyDict_Next(map, &pos, &k, &v);) { |
|
943 | 944 | PyObject *c; |
|
944 | 945 | if (!PyBytes_Check(k)) { |
|
945 | 946 | PyErr_SetString(PyExc_TypeError, "expected string key"); |
|
946 | 947 | goto bail; |
|
947 | 948 | } |
|
948 | 949 | nbytes += PyBytes_GET_SIZE(k) + 17; |
|
949 | 950 | c = PyDict_GetItem(copymap, k); |
|
950 | 951 | if (c) { |
|
951 | 952 | if (!PyBytes_Check(c)) { |
|
952 | 953 | PyErr_SetString(PyExc_TypeError, |
|
953 | 954 | "expected string key"); |
|
954 | 955 | goto bail; |
|
955 | 956 | } |
|
956 | 957 | nbytes += PyBytes_GET_SIZE(c) + 1; |
|
957 | 958 | } |
|
958 | 959 | } |
|
959 | 960 | |
|
960 | 961 | packobj = PyBytes_FromStringAndSize(NULL, nbytes); |
|
961 | 962 | if (packobj == NULL) { |
|
962 | 963 | goto bail; |
|
963 | 964 | } |
|
964 | 965 | |
|
965 | 966 | p = PyBytes_AS_STRING(packobj); |
|
966 | 967 | |
|
967 | 968 | pn = PyTuple_GET_ITEM(pl, 0); |
|
968 | 969 | if (PyBytes_AsStringAndSize(pn, &s, &l) == -1 || l != 20) { |
|
969 | 970 | PyErr_SetString(PyExc_TypeError, "expected a 20-byte hash"); |
|
970 | 971 | goto bail; |
|
971 | 972 | } |
|
972 | 973 | memcpy(p, s, l); |
|
973 | 974 | p += 20; |
|
974 | 975 | pn = PyTuple_GET_ITEM(pl, 1); |
|
975 | 976 | if (PyBytes_AsStringAndSize(pn, &s, &l) == -1 || l != 20) { |
|
976 | 977 | PyErr_SetString(PyExc_TypeError, "expected a 20-byte hash"); |
|
977 | 978 | goto bail; |
|
978 | 979 | } |
|
979 | 980 | memcpy(p, s, l); |
|
980 | 981 | p += 20; |
|
981 | 982 | |
|
982 | 983 | for (pos = 0; PyDict_Next(map, &pos, &k, &v);) { |
|
983 | 984 | dirstateItemObject *tuple; |
|
984 | 985 | char state; |
|
985 | 986 | int mode, size, mtime; |
|
986 | 987 | Py_ssize_t len, l; |
|
987 | 988 | PyObject *o; |
|
988 | 989 | char *t; |
|
989 | 990 | |
|
990 | 991 | if (!dirstate_tuple_check(v)) { |
|
991 | 992 | PyErr_SetString(PyExc_TypeError, |
|
992 | 993 | "expected a dirstate tuple"); |
|
993 | 994 | goto bail; |
|
994 | 995 | } |
|
995 | 996 | tuple = (dirstateItemObject *)v; |
|
996 | 997 | |
|
997 | 998 | state = dirstate_item_c_v1_state(tuple); |
|
998 | 999 | mode = dirstate_item_c_v1_mode(tuple); |
|
999 | 1000 | size = dirstate_item_c_v1_size(tuple); |
|
1000 | 1001 | mtime = dirstate_item_c_v1_mtime(tuple); |
|
1001 | 1002 | *p++ = state; |
|
1002 | 1003 | putbe32((uint32_t)mode, p); |
|
1003 | 1004 | putbe32((uint32_t)size, p + 4); |
|
1004 | 1005 | putbe32((uint32_t)mtime, p + 8); |
|
1005 | 1006 | t = p + 12; |
|
1006 | 1007 | p += 16; |
|
1007 | 1008 | len = PyBytes_GET_SIZE(k); |
|
1008 | 1009 | memcpy(p, PyBytes_AS_STRING(k), len); |
|
1009 | 1010 | p += len; |
|
1010 | 1011 | o = PyDict_GetItem(copymap, k); |
|
1011 | 1012 | if (o) { |
|
1012 | 1013 | *p++ = '\0'; |
|
1013 | 1014 | l = PyBytes_GET_SIZE(o); |
|
1014 | 1015 | memcpy(p, PyBytes_AS_STRING(o), l); |
|
1015 | 1016 | p += l; |
|
1016 | 1017 | len += l + 1; |
|
1017 | 1018 | } |
|
1018 | 1019 | putbe32((uint32_t)len, t); |
|
1019 | 1020 | } |
|
1020 | 1021 | |
|
1021 | 1022 | pos = p - PyBytes_AS_STRING(packobj); |
|
1022 | 1023 | if (pos != nbytes) { |
|
1023 | 1024 | PyErr_Format(PyExc_SystemError, "bad dirstate size: %ld != %ld", |
|
1024 | 1025 | (long)pos, (long)nbytes); |
|
1025 | 1026 | goto bail; |
|
1026 | 1027 | } |
|
1027 | 1028 | |
|
1028 | 1029 | return packobj; |
|
1029 | 1030 | bail: |
|
1030 | 1031 | Py_XDECREF(mtime_unset); |
|
1031 | 1032 | Py_XDECREF(packobj); |
|
1032 | 1033 | Py_XDECREF(v); |
|
1033 | 1034 | return NULL; |
|
1034 | 1035 | } |
|
1035 | 1036 | |
|
1036 | 1037 | #define BUMPED_FIX 1 |
|
1037 | 1038 | #define USING_SHA_256 2 |
|
1038 | 1039 | #define FM1_HEADER_SIZE (4 + 8 + 2 + 2 + 1 + 1 + 1) |
|
1039 | 1040 | |
|
1040 | 1041 | static PyObject *readshas(const char *source, unsigned char num, |
|
1041 | 1042 | Py_ssize_t hashwidth) |
|
1042 | 1043 | { |
|
1043 | 1044 | int i; |
|
1044 | 1045 | PyObject *list = PyTuple_New(num); |
|
1045 | 1046 | if (list == NULL) { |
|
1046 | 1047 | return NULL; |
|
1047 | 1048 | } |
|
1048 | 1049 | for (i = 0; i < num; i++) { |
|
1049 | 1050 | PyObject *hash = PyBytes_FromStringAndSize(source, hashwidth); |
|
1050 | 1051 | if (hash == NULL) { |
|
1051 | 1052 | Py_DECREF(list); |
|
1052 | 1053 | return NULL; |
|
1053 | 1054 | } |
|
1054 | 1055 | PyTuple_SET_ITEM(list, i, hash); |
|
1055 | 1056 | source += hashwidth; |
|
1056 | 1057 | } |
|
1057 | 1058 | return list; |
|
1058 | 1059 | } |
|
1059 | 1060 | |
|
1060 | 1061 | static PyObject *fm1readmarker(const char *databegin, const char *dataend, |
|
1061 | 1062 | uint32_t *msize) |
|
1062 | 1063 | { |
|
1063 | 1064 | const char *data = databegin; |
|
1064 | 1065 | const char *meta; |
|
1065 | 1066 | |
|
1066 | 1067 | double mtime; |
|
1067 | 1068 | int16_t tz; |
|
1068 | 1069 | uint16_t flags; |
|
1069 | 1070 | unsigned char nsuccs, nparents, nmetadata; |
|
1070 | 1071 | Py_ssize_t hashwidth = 20; |
|
1071 | 1072 | |
|
1072 | 1073 | PyObject *prec = NULL, *parents = NULL, *succs = NULL; |
|
1073 | 1074 | PyObject *metadata = NULL, *ret = NULL; |
|
1074 | 1075 | int i; |
|
1075 | 1076 | |
|
1076 | 1077 | if (data + FM1_HEADER_SIZE > dataend) { |
|
1077 | 1078 | goto overflow; |
|
1078 | 1079 | } |
|
1079 | 1080 | |
|
1080 | 1081 | *msize = getbe32(data); |
|
1081 | 1082 | data += 4; |
|
1082 | 1083 | mtime = getbefloat64(data); |
|
1083 | 1084 | data += 8; |
|
1084 | 1085 | tz = getbeint16(data); |
|
1085 | 1086 | data += 2; |
|
1086 | 1087 | flags = getbeuint16(data); |
|
1087 | 1088 | data += 2; |
|
1088 | 1089 | |
|
1089 | 1090 | if (flags & USING_SHA_256) { |
|
1090 | 1091 | hashwidth = 32; |
|
1091 | 1092 | } |
|
1092 | 1093 | |
|
1093 | 1094 | nsuccs = (unsigned char)(*data++); |
|
1094 | 1095 | nparents = (unsigned char)(*data++); |
|
1095 | 1096 | nmetadata = (unsigned char)(*data++); |
|
1096 | 1097 | |
|
1097 | 1098 | if (databegin + *msize > dataend) { |
|
1098 | 1099 | goto overflow; |
|
1099 | 1100 | } |
|
1100 | 1101 | dataend = databegin + *msize; /* narrow down to marker size */ |
|
1101 | 1102 | |
|
1102 | 1103 | if (data + hashwidth > dataend) { |
|
1103 | 1104 | goto overflow; |
|
1104 | 1105 | } |
|
1105 | 1106 | prec = PyBytes_FromStringAndSize(data, hashwidth); |
|
1106 | 1107 | data += hashwidth; |
|
1107 | 1108 | if (prec == NULL) { |
|
1108 | 1109 | goto bail; |
|
1109 | 1110 | } |
|
1110 | 1111 | |
|
1111 | 1112 | if (data + nsuccs * hashwidth > dataend) { |
|
1112 | 1113 | goto overflow; |
|
1113 | 1114 | } |
|
1114 | 1115 | succs = readshas(data, nsuccs, hashwidth); |
|
1115 | 1116 | if (succs == NULL) { |
|
1116 | 1117 | goto bail; |
|
1117 | 1118 | } |
|
1118 | 1119 | data += nsuccs * hashwidth; |
|
1119 | 1120 | |
|
1120 | 1121 | if (nparents == 1 || nparents == 2) { |
|
1121 | 1122 | if (data + nparents * hashwidth > dataend) { |
|
1122 | 1123 | goto overflow; |
|
1123 | 1124 | } |
|
1124 | 1125 | parents = readshas(data, nparents, hashwidth); |
|
1125 | 1126 | if (parents == NULL) { |
|
1126 | 1127 | goto bail; |
|
1127 | 1128 | } |
|
1128 | 1129 | data += nparents * hashwidth; |
|
1129 | 1130 | } else { |
|
1130 | 1131 | parents = Py_None; |
|
1131 | 1132 | Py_INCREF(parents); |
|
1132 | 1133 | } |
|
1133 | 1134 | |
|
1134 | 1135 | if (data + 2 * nmetadata > dataend) { |
|
1135 | 1136 | goto overflow; |
|
1136 | 1137 | } |
|
1137 | 1138 | meta = data + (2 * nmetadata); |
|
1138 | 1139 | metadata = PyTuple_New(nmetadata); |
|
1139 | 1140 | if (metadata == NULL) { |
|
1140 | 1141 | goto bail; |
|
1141 | 1142 | } |
|
1142 | 1143 | for (i = 0; i < nmetadata; i++) { |
|
1143 | 1144 | PyObject *tmp, *left = NULL, *right = NULL; |
|
1144 | 1145 | Py_ssize_t leftsize = (unsigned char)(*data++); |
|
1145 | 1146 | Py_ssize_t rightsize = (unsigned char)(*data++); |
|
1146 | 1147 | if (meta + leftsize + rightsize > dataend) { |
|
1147 | 1148 | goto overflow; |
|
1148 | 1149 | } |
|
1149 | 1150 | left = PyBytes_FromStringAndSize(meta, leftsize); |
|
1150 | 1151 | meta += leftsize; |
|
1151 | 1152 | right = PyBytes_FromStringAndSize(meta, rightsize); |
|
1152 | 1153 | meta += rightsize; |
|
1153 | 1154 | tmp = PyTuple_New(2); |
|
1154 | 1155 | if (!left || !right || !tmp) { |
|
1155 | 1156 | Py_XDECREF(left); |
|
1156 | 1157 | Py_XDECREF(right); |
|
1157 | 1158 | Py_XDECREF(tmp); |
|
1158 | 1159 | goto bail; |
|
1159 | 1160 | } |
|
1160 | 1161 | PyTuple_SET_ITEM(tmp, 0, left); |
|
1161 | 1162 | PyTuple_SET_ITEM(tmp, 1, right); |
|
1162 | 1163 | PyTuple_SET_ITEM(metadata, i, tmp); |
|
1163 | 1164 | } |
|
1164 | 1165 | ret = Py_BuildValue("(OOHO(di)O)", prec, succs, flags, metadata, mtime, |
|
1165 | 1166 | (int)tz * 60, parents); |
|
1166 | 1167 | goto bail; /* return successfully */ |
|
1167 | 1168 | |
|
1168 | 1169 | overflow: |
|
1169 | 1170 | PyErr_SetString(PyExc_ValueError, "overflow in obsstore"); |
|
1170 | 1171 | bail: |
|
1171 | 1172 | Py_XDECREF(prec); |
|
1172 | 1173 | Py_XDECREF(succs); |
|
1173 | 1174 | Py_XDECREF(metadata); |
|
1174 | 1175 | Py_XDECREF(parents); |
|
1175 | 1176 | return ret; |
|
1176 | 1177 | } |
|
1177 | 1178 | |
|
1178 | 1179 | static PyObject *fm1readmarkers(PyObject *self, PyObject *args) |
|
1179 | 1180 | { |
|
1180 | 1181 | const char *data, *dataend; |
|
1181 | 1182 | Py_ssize_t datalen, offset, stop; |
|
1182 | 1183 | PyObject *markers = NULL; |
|
1183 | 1184 | |
|
1184 | 1185 | if (!PyArg_ParseTuple(args, PY23("s#nn", "y#nn"), &data, &datalen, |
|
1185 | 1186 | &offset, &stop)) { |
|
1186 | 1187 | return NULL; |
|
1187 | 1188 | } |
|
1188 | 1189 | if (offset < 0) { |
|
1189 | 1190 | PyErr_SetString(PyExc_ValueError, |
|
1190 | 1191 | "invalid negative offset in fm1readmarkers"); |
|
1191 | 1192 | return NULL; |
|
1192 | 1193 | } |
|
1193 | 1194 | if (stop > datalen) { |
|
1194 | 1195 | PyErr_SetString( |
|
1195 | 1196 | PyExc_ValueError, |
|
1196 | 1197 | "stop longer than data length in fm1readmarkers"); |
|
1197 | 1198 | return NULL; |
|
1198 | 1199 | } |
|
1199 | 1200 | dataend = data + datalen; |
|
1200 | 1201 | data += offset; |
|
1201 | 1202 | markers = PyList_New(0); |
|
1202 | 1203 | if (!markers) { |
|
1203 | 1204 | return NULL; |
|
1204 | 1205 | } |
|
1205 | 1206 | while (offset < stop) { |
|
1206 | 1207 | uint32_t msize; |
|
1207 | 1208 | int error; |
|
1208 | 1209 | PyObject *record = fm1readmarker(data, dataend, &msize); |
|
1209 | 1210 | if (!record) { |
|
1210 | 1211 | goto bail; |
|
1211 | 1212 | } |
|
1212 | 1213 | error = PyList_Append(markers, record); |
|
1213 | 1214 | Py_DECREF(record); |
|
1214 | 1215 | if (error) { |
|
1215 | 1216 | goto bail; |
|
1216 | 1217 | } |
|
1217 | 1218 | data += msize; |
|
1218 | 1219 | offset += msize; |
|
1219 | 1220 | } |
|
1220 | 1221 | return markers; |
|
1221 | 1222 | bail: |
|
1222 | 1223 | Py_DECREF(markers); |
|
1223 | 1224 | return NULL; |
|
1224 | 1225 | } |
|
1225 | 1226 | |
|
1226 | 1227 | static char parsers_doc[] = "Efficient content parsing."; |
|
1227 | 1228 | |
|
1228 | 1229 | PyObject *encodedir(PyObject *self, PyObject *args); |
|
1229 | 1230 | PyObject *pathencode(PyObject *self, PyObject *args); |
|
1230 | 1231 | PyObject *lowerencode(PyObject *self, PyObject *args); |
|
1231 | 1232 | PyObject *parse_index2(PyObject *self, PyObject *args, PyObject *kwargs); |
|
1232 | 1233 | |
|
1233 | 1234 | static PyMethodDef methods[] = { |
|
1234 | 1235 | {"pack_dirstate", pack_dirstate, METH_VARARGS, "pack a dirstate\n"}, |
|
1235 | 1236 | {"parse_dirstate", parse_dirstate, METH_VARARGS, "parse a dirstate\n"}, |
|
1236 | 1237 | {"parse_index2", (PyCFunction)parse_index2, METH_VARARGS | METH_KEYWORDS, |
|
1237 | 1238 | "parse a revlog index\n"}, |
|
1238 | 1239 | {"isasciistr", isasciistr, METH_VARARGS, "check if an ASCII string\n"}, |
|
1239 | 1240 | {"asciilower", asciilower, METH_VARARGS, "lowercase an ASCII string\n"}, |
|
1240 | 1241 | {"asciiupper", asciiupper, METH_VARARGS, "uppercase an ASCII string\n"}, |
|
1241 | 1242 | {"dict_new_presized", dict_new_presized, METH_VARARGS, |
|
1242 | 1243 | "construct a dict with an expected size\n"}, |
|
1243 | 1244 | {"make_file_foldmap", make_file_foldmap, METH_VARARGS, |
|
1244 | 1245 | "make file foldmap\n"}, |
|
1245 | 1246 | {"jsonescapeu8fast", jsonescapeu8fast, METH_VARARGS, |
|
1246 | 1247 | "escape a UTF-8 byte string to JSON (fast path)\n"}, |
|
1247 | 1248 | {"encodedir", encodedir, METH_VARARGS, "encodedir a path\n"}, |
|
1248 | 1249 | {"pathencode", pathencode, METH_VARARGS, "fncache-encode a path\n"}, |
|
1249 | 1250 | {"lowerencode", lowerencode, METH_VARARGS, "lower-encode a path\n"}, |
|
1250 | 1251 | {"fm1readmarkers", fm1readmarkers, METH_VARARGS, |
|
1251 | 1252 | "parse v1 obsolete markers\n"}, |
|
1252 | 1253 | {NULL, NULL}}; |
|
1253 | 1254 | |
|
1254 | 1255 | void dirs_module_init(PyObject *mod); |
|
1255 | 1256 | void manifest_module_init(PyObject *mod); |
|
1256 | 1257 | void revlog_module_init(PyObject *mod); |
|
1257 | 1258 | |
|
1258 | 1259 | static const int version = 20; |
|
1259 | 1260 | |
|
1260 | 1261 | static void module_init(PyObject *mod) |
|
1261 | 1262 | { |
|
1262 | 1263 | PyModule_AddIntConstant(mod, "version", version); |
|
1263 | 1264 | |
|
1264 | 1265 | /* This module constant has two purposes. First, it lets us unit test |
|
1265 | 1266 | * the ImportError raised without hard-coding any error text. This |
|
1266 | 1267 | * means we can change the text in the future without breaking tests, |
|
1267 | 1268 | * even across changesets without a recompile. Second, its presence |
|
1268 | 1269 | * can be used to determine whether the version-checking logic is |
|
1269 | 1270 | * present, which also helps in testing across changesets without a |
|
1270 | 1271 | * recompile. Note that this means the pure-Python version of parsers |
|
1271 | 1272 | * should not have this module constant. */ |
|
1272 | 1273 | PyModule_AddStringConstant(mod, "versionerrortext", versionerrortext); |
|
1273 | 1274 | |
|
1274 | 1275 | dirs_module_init(mod); |
|
1275 | 1276 | manifest_module_init(mod); |
|
1276 | 1277 | revlog_module_init(mod); |
|
1277 | 1278 | |
|
1278 | 1279 | if (PyType_Ready(&dirstateItemType) < 0) { |
|
1279 | 1280 | return; |
|
1280 | 1281 | } |
|
1281 | 1282 | Py_INCREF(&dirstateItemType); |
|
1282 | 1283 | PyModule_AddObject(mod, "DirstateItem", (PyObject *)&dirstateItemType); |
|
1283 | 1284 | } |
|
1284 | 1285 | |
|
1285 | 1286 | static int check_python_version(void) |
|
1286 | 1287 | { |
|
1287 | 1288 | PyObject *sys = PyImport_ImportModule("sys"), *ver; |
|
1288 | 1289 | long hexversion; |
|
1289 | 1290 | if (!sys) { |
|
1290 | 1291 | return -1; |
|
1291 | 1292 | } |
|
1292 | 1293 | ver = PyObject_GetAttrString(sys, "hexversion"); |
|
1293 | 1294 | Py_DECREF(sys); |
|
1294 | 1295 | if (!ver) { |
|
1295 | 1296 | return -1; |
|
1296 | 1297 | } |
|
1297 | 1298 | hexversion = PyInt_AsLong(ver); |
|
1298 | 1299 | Py_DECREF(ver); |
|
1299 | 1300 | /* sys.hexversion is a 32-bit number by default, so the -1 case |
|
1300 | 1301 | * should only occur in unusual circumstances (e.g. if sys.hexversion |
|
1301 | 1302 | * is manually set to an invalid value). */ |
|
1302 | 1303 | if ((hexversion == -1) || (hexversion >> 16 != PY_VERSION_HEX >> 16)) { |
|
1303 | 1304 | PyErr_Format(PyExc_ImportError, |
|
1304 | 1305 | "%s: The Mercurial extension " |
|
1305 | 1306 | "modules were compiled with Python " PY_VERSION |
|
1306 | 1307 | ", but " |
|
1307 | 1308 | "Mercurial is currently using Python with " |
|
1308 | 1309 | "sys.hexversion=%ld: " |
|
1309 | 1310 | "Python %s\n at: %s", |
|
1310 | 1311 | versionerrortext, hexversion, Py_GetVersion(), |
|
1311 | 1312 | Py_GetProgramFullPath()); |
|
1312 | 1313 | return -1; |
|
1313 | 1314 | } |
|
1314 | 1315 | return 0; |
|
1315 | 1316 | } |
|
1316 | 1317 | |
|
1317 | 1318 | #ifdef IS_PY3K |
|
1318 | 1319 | static struct PyModuleDef parsers_module = {PyModuleDef_HEAD_INIT, "parsers", |
|
1319 | 1320 | parsers_doc, -1, methods}; |
|
1320 | 1321 | |
|
1321 | 1322 | PyMODINIT_FUNC PyInit_parsers(void) |
|
1322 | 1323 | { |
|
1323 | 1324 | PyObject *mod; |
|
1324 | 1325 | |
|
1325 | 1326 | if (check_python_version() == -1) |
|
1326 | 1327 | return NULL; |
|
1327 | 1328 | mod = PyModule_Create(&parsers_module); |
|
1328 | 1329 | module_init(mod); |
|
1329 | 1330 | return mod; |
|
1330 | 1331 | } |
|
1331 | 1332 | #else |
|
1332 | 1333 | PyMODINIT_FUNC initparsers(void) |
|
1333 | 1334 | { |
|
1334 | 1335 | PyObject *mod; |
|
1335 | 1336 | |
|
1336 | 1337 | if (check_python_version() == -1) { |
|
1337 | 1338 | return; |
|
1338 | 1339 | } |
|
1339 | 1340 | mod = Py_InitModule3("parsers", methods, parsers_doc); |
|
1340 | 1341 | module_init(mod); |
|
1341 | 1342 | } |
|
1342 | 1343 | #endif |
@@ -1,939 +1,941 b'' | |||
|
1 | 1 | # parsers.py - Python implementation of parsers.c |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2009 Olivia Mackall <olivia@selenic.com> and others |
|
4 | 4 | # |
|
5 | 5 | # This software may be used and distributed according to the terms of the |
|
6 | 6 | # GNU General Public License version 2 or any later version. |
|
7 | 7 | |
|
8 | 8 | from __future__ import absolute_import |
|
9 | 9 | |
|
10 | 10 | import stat |
|
11 | 11 | import struct |
|
12 | 12 | import zlib |
|
13 | 13 | |
|
14 | 14 | from ..node import ( |
|
15 | 15 | nullrev, |
|
16 | 16 | sha1nodeconstants, |
|
17 | 17 | ) |
|
18 | 18 | from ..thirdparty import attr |
|
19 | 19 | from .. import ( |
|
20 | 20 | error, |
|
21 | 21 | pycompat, |
|
22 | 22 | revlogutils, |
|
23 | 23 | util, |
|
24 | 24 | ) |
|
25 | 25 | |
|
26 | 26 | from ..revlogutils import nodemap as nodemaputil |
|
27 | 27 | from ..revlogutils import constants as revlog_constants |
|
28 | 28 | |
|
29 | 29 | stringio = pycompat.bytesio |
|
30 | 30 | |
|
31 | 31 | |
|
32 | 32 | _pack = struct.pack |
|
33 | 33 | _unpack = struct.unpack |
|
34 | 34 | _compress = zlib.compress |
|
35 | 35 | _decompress = zlib.decompress |
|
36 | 36 | |
|
37 | 37 | |
|
38 | 38 | # a special value used internally for `size` if the file come from the other parent |
|
39 | 39 | FROM_P2 = -2 |
|
40 | 40 | |
|
41 | 41 | # a special value used internally for `size` if the file is modified/merged/added |
|
42 | 42 | NONNORMAL = -1 |
|
43 | 43 | |
|
44 | 44 | # a special value used internally for `time` if the time is ambigeous |
|
45 | 45 | AMBIGUOUS_TIME = -1 |
|
46 | 46 | |
|
47 | 47 | # Bits of the `flags` byte inside a node in the file format |
|
48 | 48 | DIRSTATE_V2_WDIR_TRACKED = 1 << 0 |
|
49 | 49 | DIRSTATE_V2_P1_TRACKED = 1 << 1 |
|
50 | 50 | DIRSTATE_V2_P2_INFO = 1 << 2 |
|
51 | 51 | DIRSTATE_V2_MODE_EXEC_PERM = 1 << 3 |
|
52 | 52 | DIRSTATE_V2_MODE_IS_SYMLINK = 1 << 4 |
|
53 | 53 | DIRSTATE_V2_HAS_FALLBACK_EXEC = 1 << 5 |
|
54 | 54 | DIRSTATE_V2_FALLBACK_EXEC = 1 << 6 |
|
55 | 55 | DIRSTATE_V2_HAS_FALLBACK_SYMLINK = 1 << 7 |
|
56 | 56 | DIRSTATE_V2_FALLBACK_SYMLINK = 1 << 8 |
|
57 | 57 | DIRSTATE_V2_EXPECTED_STATE_IS_MODIFIED = 1 << 9 |
|
58 | 58 | DIRSTATE_V2_HAS_MODE_AND_SIZE = 1 << 10 |
|
59 | 59 | DIRSTATE_V2_HAS_MTIME = 1 << 11 |
|
60 | 60 | DIRSTATE_V2_MTIME_SECOND_AMBIGUOUS = 1 << 12 |
|
61 | 61 | DIRSTATE_V2_DIRECTORY = 1 << 13 |
|
62 | 62 | DIRSTATE_V2_ALL_UNKNOWN_RECORDED = 1 << 14 |
|
63 | 63 | DIRSTATE_V2_ALL_IGNORED_RECORDED = 1 << 15 |
|
64 | 64 | |
|
65 | 65 | |
|
66 | 66 | @attr.s(slots=True, init=False) |
|
67 | 67 | class DirstateItem(object): |
|
68 | 68 | """represent a dirstate entry |
|
69 | 69 | |
|
70 | 70 | It hold multiple attributes |
|
71 | 71 | |
|
72 | 72 | # about file tracking |
|
73 | 73 | - wc_tracked: is the file tracked by the working copy |
|
74 | 74 | - p1_tracked: is the file tracked in working copy first parent |
|
75 | 75 | - p2_info: the file has been involved in some merge operation. Either |
|
76 | 76 | because it was actually merged, or because the p2 version was |
|
77 | 77 | ahead, or because some rename moved it there. In either case |
|
78 | 78 | `hg status` will want it displayed as modified. |
|
79 | 79 | |
|
80 | 80 | # about the file state expected from p1 manifest: |
|
81 | 81 | - mode: the file mode in p1 |
|
82 | 82 | - size: the file size in p1 |
|
83 | 83 | |
|
84 | 84 | These value can be set to None, which mean we don't have a meaningful value |
|
85 | 85 | to compare with. Either because we don't really care about them as there |
|
86 | 86 | `status` is known without having to look at the disk or because we don't |
|
87 | 87 | know these right now and a full comparison will be needed to find out if |
|
88 | 88 | the file is clean. |
|
89 | 89 | |
|
90 | 90 | # about the file state on disk last time we saw it: |
|
91 | 91 | - mtime: the last known clean mtime for the file. |
|
92 | 92 | |
|
93 | 93 | This value can be set to None if no cachable state exist. Either because we |
|
94 | 94 | do not care (see previous section) or because we could not cache something |
|
95 | 95 | yet. |
|
96 | 96 | """ |
|
97 | 97 | |
|
98 | 98 | _wc_tracked = attr.ib() |
|
99 | 99 | _p1_tracked = attr.ib() |
|
100 | 100 | _p2_info = attr.ib() |
|
101 | 101 | _mode = attr.ib() |
|
102 | 102 | _size = attr.ib() |
|
103 | 103 | _mtime_s = attr.ib() |
|
104 | 104 | _mtime_ns = attr.ib() |
|
105 | 105 | _fallback_exec = attr.ib() |
|
106 | 106 | _fallback_symlink = attr.ib() |
|
107 | 107 | _mtime_second_ambiguous = attr.ib() |
|
108 | 108 | |
|
109 | 109 | def __init__( |
|
110 | 110 | self, |
|
111 | 111 | wc_tracked=False, |
|
112 | 112 | p1_tracked=False, |
|
113 | 113 | p2_info=False, |
|
114 | 114 | has_meaningful_data=True, |
|
115 | 115 | has_meaningful_mtime=True, |
|
116 | 116 | parentfiledata=None, |
|
117 | 117 | fallback_exec=None, |
|
118 | 118 | fallback_symlink=None, |
|
119 | 119 | ): |
|
120 | 120 | self._wc_tracked = wc_tracked |
|
121 | 121 | self._p1_tracked = p1_tracked |
|
122 | 122 | self._p2_info = p2_info |
|
123 | 123 | |
|
124 | 124 | self._fallback_exec = fallback_exec |
|
125 | 125 | self._fallback_symlink = fallback_symlink |
|
126 | 126 | |
|
127 | 127 | self._mode = None |
|
128 | 128 | self._size = None |
|
129 | 129 | self._mtime_s = None |
|
130 | 130 | self._mtime_ns = None |
|
131 | 131 | self._mtime_second_ambiguous = False |
|
132 | 132 | if parentfiledata is None: |
|
133 | 133 | has_meaningful_mtime = False |
|
134 | 134 | has_meaningful_data = False |
|
135 | 135 | elif parentfiledata[2] is None: |
|
136 | 136 | has_meaningful_mtime = False |
|
137 | 137 | if has_meaningful_data: |
|
138 | 138 | self._mode = parentfiledata[0] |
|
139 | 139 | self._size = parentfiledata[1] |
|
140 | 140 | if has_meaningful_mtime: |
|
141 | 141 | ( |
|
142 | 142 | self._mtime_s, |
|
143 | 143 | self._mtime_ns, |
|
144 | 144 | self._mtime_second_ambiguous, |
|
145 | 145 | ) = parentfiledata[2] |
|
146 | 146 | |
|
147 | 147 | @classmethod |
|
148 | 148 | def from_v2_data(cls, flags, size, mtime_s, mtime_ns): |
|
149 | 149 | """Build a new DirstateItem object from V2 data""" |
|
150 | 150 | has_mode_size = bool(flags & DIRSTATE_V2_HAS_MODE_AND_SIZE) |
|
151 | 151 | has_meaningful_mtime = bool(flags & DIRSTATE_V2_HAS_MTIME) |
|
152 | 152 | if flags & DIRSTATE_V2_MTIME_SECOND_AMBIGUOUS: |
|
153 | 153 | # The current code is not able to do the more subtle comparison that the |
|
154 | 154 | # MTIME_SECOND_AMBIGUOUS requires. So we ignore the mtime |
|
155 | 155 | has_meaningful_mtime = False |
|
156 | 156 | mode = None |
|
157 | 157 | |
|
158 | 158 | if flags & +DIRSTATE_V2_EXPECTED_STATE_IS_MODIFIED: |
|
159 | 159 | # we do not have support for this flag in the code yet, |
|
160 | 160 | # force a lookup for this file. |
|
161 | 161 | has_mode_size = False |
|
162 | 162 | has_meaningful_mtime = False |
|
163 | 163 | |
|
164 | 164 | fallback_exec = None |
|
165 | 165 | if flags & DIRSTATE_V2_HAS_FALLBACK_EXEC: |
|
166 | 166 | fallback_exec = flags & DIRSTATE_V2_FALLBACK_EXEC |
|
167 | 167 | |
|
168 | 168 | fallback_symlink = None |
|
169 | 169 | if flags & DIRSTATE_V2_HAS_FALLBACK_SYMLINK: |
|
170 | 170 | fallback_symlink = flags & DIRSTATE_V2_FALLBACK_SYMLINK |
|
171 | 171 | |
|
172 | 172 | if has_mode_size: |
|
173 | 173 | assert stat.S_IXUSR == 0o100 |
|
174 | 174 | if flags & DIRSTATE_V2_MODE_EXEC_PERM: |
|
175 | 175 | mode = 0o755 |
|
176 | 176 | else: |
|
177 | 177 | mode = 0o644 |
|
178 | 178 | if flags & DIRSTATE_V2_MODE_IS_SYMLINK: |
|
179 | 179 | mode |= stat.S_IFLNK |
|
180 | 180 | else: |
|
181 | 181 | mode |= stat.S_IFREG |
|
182 | 182 | return cls( |
|
183 | 183 | wc_tracked=bool(flags & DIRSTATE_V2_WDIR_TRACKED), |
|
184 | 184 | p1_tracked=bool(flags & DIRSTATE_V2_P1_TRACKED), |
|
185 | 185 | p2_info=bool(flags & DIRSTATE_V2_P2_INFO), |
|
186 | 186 | has_meaningful_data=has_mode_size, |
|
187 | 187 | has_meaningful_mtime=has_meaningful_mtime, |
|
188 | 188 | parentfiledata=(mode, size, (mtime_s, mtime_ns, False)), |
|
189 | 189 | fallback_exec=fallback_exec, |
|
190 | 190 | fallback_symlink=fallback_symlink, |
|
191 | 191 | ) |
|
192 | 192 | |
|
193 | 193 | @classmethod |
|
194 | 194 | def from_v1_data(cls, state, mode, size, mtime): |
|
195 | 195 | """Build a new DirstateItem object from V1 data |
|
196 | 196 | |
|
197 | 197 | Since the dirstate-v1 format is frozen, the signature of this function |
|
198 | 198 | is not expected to change, unlike the __init__ one. |
|
199 | 199 | """ |
|
200 | 200 | if state == b'm': |
|
201 | 201 | return cls(wc_tracked=True, p1_tracked=True, p2_info=True) |
|
202 | 202 | elif state == b'a': |
|
203 | 203 | return cls(wc_tracked=True) |
|
204 | 204 | elif state == b'r': |
|
205 | 205 | if size == NONNORMAL: |
|
206 | 206 | p1_tracked = True |
|
207 | 207 | p2_info = True |
|
208 | 208 | elif size == FROM_P2: |
|
209 | 209 | p1_tracked = False |
|
210 | 210 | p2_info = True |
|
211 | 211 | else: |
|
212 | 212 | p1_tracked = True |
|
213 | 213 | p2_info = False |
|
214 | 214 | return cls(p1_tracked=p1_tracked, p2_info=p2_info) |
|
215 | 215 | elif state == b'n': |
|
216 | 216 | if size == FROM_P2: |
|
217 | 217 | return cls(wc_tracked=True, p2_info=True) |
|
218 | 218 | elif size == NONNORMAL: |
|
219 | 219 | return cls(wc_tracked=True, p1_tracked=True) |
|
220 | 220 | elif mtime == AMBIGUOUS_TIME: |
|
221 | 221 | return cls( |
|
222 | 222 | wc_tracked=True, |
|
223 | 223 | p1_tracked=True, |
|
224 | 224 | has_meaningful_mtime=False, |
|
225 | 225 | parentfiledata=(mode, size, (42, 0, False)), |
|
226 | 226 | ) |
|
227 | 227 | else: |
|
228 | 228 | return cls( |
|
229 | 229 | wc_tracked=True, |
|
230 | 230 | p1_tracked=True, |
|
231 | 231 | parentfiledata=(mode, size, (mtime, 0, False)), |
|
232 | 232 | ) |
|
233 | 233 | else: |
|
234 | 234 | raise RuntimeError(b'unknown state: %s' % state) |
|
235 | 235 | |
|
236 | 236 | def set_possibly_dirty(self): |
|
237 | 237 | """Mark a file as "possibly dirty" |
|
238 | 238 | |
|
239 | 239 | This means the next status call will have to actually check its content |
|
240 | 240 | to make sure it is correct. |
|
241 | 241 | """ |
|
242 | 242 | self._mtime_s = None |
|
243 | 243 | self._mtime_ns = None |
|
244 | 244 | |
|
245 | 245 | def set_clean(self, mode, size, mtime): |
|
246 | 246 | """mark a file as "clean" cancelling potential "possibly dirty call" |
|
247 | 247 | |
|
248 | 248 | Note: this function is a descendant of `dirstate.normal` and is |
|
249 | 249 | currently expected to be call on "normal" entry only. There are not |
|
250 | 250 | reason for this to not change in the future as long as the ccode is |
|
251 | 251 | updated to preserve the proper state of the non-normal files. |
|
252 | 252 | """ |
|
253 | 253 | self._wc_tracked = True |
|
254 | 254 | self._p1_tracked = True |
|
255 | 255 | self._mode = mode |
|
256 | 256 | self._size = size |
|
257 | 257 | self._mtime_s, self._mtime_ns, self._mtime_second_ambiguous = mtime |
|
258 | 258 | |
|
259 | 259 | def set_tracked(self): |
|
260 | 260 | """mark a file as tracked in the working copy |
|
261 | 261 | |
|
262 | 262 | This will ultimately be called by command like `hg add`. |
|
263 | 263 | """ |
|
264 | 264 | self._wc_tracked = True |
|
265 | 265 | # `set_tracked` is replacing various `normallookup` call. So we mark |
|
266 | 266 | # the files as needing lookup |
|
267 | 267 | # |
|
268 | 268 | # Consider dropping this in the future in favor of something less broad. |
|
269 | 269 | self._mtime_s = None |
|
270 | 270 | self._mtime_ns = None |
|
271 | 271 | |
|
272 | 272 | def set_untracked(self): |
|
273 | 273 | """mark a file as untracked in the working copy |
|
274 | 274 | |
|
275 | 275 | This will ultimately be called by command like `hg remove`. |
|
276 | 276 | """ |
|
277 | 277 | self._wc_tracked = False |
|
278 | 278 | self._mode = None |
|
279 | 279 | self._size = None |
|
280 | 280 | self._mtime_s = None |
|
281 | 281 | self._mtime_ns = None |
|
282 | 282 | |
|
283 | 283 | def drop_merge_data(self): |
|
284 | 284 | """remove all "merge-only" from a DirstateItem |
|
285 | 285 | |
|
286 | 286 | This is to be call by the dirstatemap code when the second parent is dropped |
|
287 | 287 | """ |
|
288 | 288 | if self._p2_info: |
|
289 | 289 | self._p2_info = False |
|
290 | 290 | self._mode = None |
|
291 | 291 | self._size = None |
|
292 | 292 | self._mtime_s = None |
|
293 | 293 | self._mtime_ns = None |
|
294 | 294 | |
|
295 | 295 | @property |
|
296 | 296 | def mode(self): |
|
297 | 297 | return self.v1_mode() |
|
298 | 298 | |
|
299 | 299 | @property |
|
300 | 300 | def size(self): |
|
301 | 301 | return self.v1_size() |
|
302 | 302 | |
|
303 | 303 | @property |
|
304 | 304 | def mtime(self): |
|
305 | 305 | return self.v1_mtime() |
|
306 | 306 | |
|
307 | 307 | def mtime_likely_equal_to(self, other_mtime): |
|
308 | 308 | self_sec = self._mtime_s |
|
309 | 309 | if self_sec is None: |
|
310 | 310 | return False |
|
311 | 311 | self_ns = self._mtime_ns |
|
312 | 312 | other_sec, other_ns, second_ambiguous = other_mtime |
|
313 | 313 | if self_sec != other_sec: |
|
314 | 314 | # seconds are different theses mtime are definitly not equal |
|
315 | 315 | return False |
|
316 | 316 | elif other_ns == 0 or self_ns == 0: |
|
317 | 317 | # at least one side as no nano-seconds information |
|
318 | 318 | |
|
319 | 319 | if self._mtime_second_ambiguous: |
|
320 | 320 | # We cannot trust the mtime in this case |
|
321 | 321 | return False |
|
322 | 322 | else: |
|
323 | 323 | # the "seconds" value was reliable on its own. We are good to go. |
|
324 | 324 | return True |
|
325 | 325 | else: |
|
326 | 326 | # We have nano second information, let us use them ! |
|
327 | 327 | return self_ns == other_ns |
|
328 | 328 | |
|
329 | 329 | @property |
|
330 | 330 | def state(self): |
|
331 | 331 | """ |
|
332 | 332 | States are: |
|
333 | 333 | n normal |
|
334 | 334 | m needs merging |
|
335 | 335 | r marked for removal |
|
336 | 336 | a marked for addition |
|
337 | 337 | |
|
338 | 338 | XXX This "state" is a bit obscure and mostly a direct expression of the |
|
339 | 339 | dirstatev1 format. It would make sense to ultimately deprecate it in |
|
340 | 340 | favor of the more "semantic" attributes. |
|
341 | 341 | """ |
|
342 | 342 | if not self.any_tracked: |
|
343 | 343 | return b'?' |
|
344 | 344 | return self.v1_state() |
|
345 | 345 | |
|
346 | 346 | @property |
|
347 | 347 | def has_fallback_exec(self): |
|
348 | 348 | """True if "fallback" information are available for the "exec" bit |
|
349 | 349 | |
|
350 | 350 | Fallback information can be stored in the dirstate to keep track of |
|
351 | 351 | filesystem attribute tracked by Mercurial when the underlying file |
|
352 | 352 | system or operating system does not support that property, (e.g. |
|
353 | 353 | Windows). |
|
354 | 354 | |
|
355 | 355 | Not all version of the dirstate on-disk storage support preserving this |
|
356 | 356 | information. |
|
357 | 357 | """ |
|
358 | 358 | return self._fallback_exec is not None |
|
359 | 359 | |
|
360 | 360 | @property |
|
361 | 361 | def fallback_exec(self): |
|
362 | 362 | """ "fallback" information for the executable bit |
|
363 | 363 | |
|
364 | 364 | True if the file should be considered executable when we cannot get |
|
365 | 365 | this information from the files system. False if it should be |
|
366 | 366 | considered non-executable. |
|
367 | 367 | |
|
368 | 368 | See has_fallback_exec for details.""" |
|
369 | 369 | return self._fallback_exec |
|
370 | 370 | |
|
371 | 371 | @fallback_exec.setter |
|
372 | 372 | def set_fallback_exec(self, value): |
|
373 | 373 | """control "fallback" executable bit |
|
374 | 374 | |
|
375 | 375 | Set to: |
|
376 | 376 | - True if the file should be considered executable, |
|
377 | 377 | - False if the file should be considered non-executable, |
|
378 | 378 | - None if we do not have valid fallback data. |
|
379 | 379 | |
|
380 | 380 | See has_fallback_exec for details.""" |
|
381 | 381 | if value is None: |
|
382 | 382 | self._fallback_exec = None |
|
383 | 383 | else: |
|
384 | 384 | self._fallback_exec = bool(value) |
|
385 | 385 | |
|
386 | 386 | @property |
|
387 | 387 | def has_fallback_symlink(self): |
|
388 | 388 | """True if "fallback" information are available for symlink status |
|
389 | 389 | |
|
390 | 390 | Fallback information can be stored in the dirstate to keep track of |
|
391 | 391 | filesystem attribute tracked by Mercurial when the underlying file |
|
392 | 392 | system or operating system does not support that property, (e.g. |
|
393 | 393 | Windows). |
|
394 | 394 | |
|
395 | 395 | Not all version of the dirstate on-disk storage support preserving this |
|
396 | 396 | information.""" |
|
397 | 397 | return self._fallback_symlink is not None |
|
398 | 398 | |
|
399 | 399 | @property |
|
400 | 400 | def fallback_symlink(self): |
|
401 | 401 | """ "fallback" information for symlink status |
|
402 | 402 | |
|
403 | 403 | True if the file should be considered executable when we cannot get |
|
404 | 404 | this information from the files system. False if it should be |
|
405 | 405 | considered non-executable. |
|
406 | 406 | |
|
407 | 407 | See has_fallback_exec for details.""" |
|
408 | 408 | return self._fallback_symlink |
|
409 | 409 | |
|
410 | 410 | @fallback_symlink.setter |
|
411 | 411 | def set_fallback_symlink(self, value): |
|
412 | 412 | """control "fallback" symlink status |
|
413 | 413 | |
|
414 | 414 | Set to: |
|
415 | 415 | - True if the file should be considered a symlink, |
|
416 | 416 | - False if the file should be considered not a symlink, |
|
417 | 417 | - None if we do not have valid fallback data. |
|
418 | 418 | |
|
419 | 419 | See has_fallback_symlink for details.""" |
|
420 | 420 | if value is None: |
|
421 | 421 | self._fallback_symlink = None |
|
422 | 422 | else: |
|
423 | 423 | self._fallback_symlink = bool(value) |
|
424 | 424 | |
|
425 | 425 | @property |
|
426 | 426 | def tracked(self): |
|
427 | 427 | """True is the file is tracked in the working copy""" |
|
428 | 428 | return self._wc_tracked |
|
429 | 429 | |
|
430 | 430 | @property |
|
431 | 431 | def any_tracked(self): |
|
432 | 432 | """True is the file is tracked anywhere (wc or parents)""" |
|
433 | 433 | return self._wc_tracked or self._p1_tracked or self._p2_info |
|
434 | 434 | |
|
435 | 435 | @property |
|
436 | 436 | def added(self): |
|
437 | 437 | """True if the file has been added""" |
|
438 | 438 | return self._wc_tracked and not (self._p1_tracked or self._p2_info) |
|
439 | 439 | |
|
440 | 440 | @property |
|
441 | 441 | def maybe_clean(self): |
|
442 | 442 | """True if the file has a chance to be in the "clean" state""" |
|
443 | 443 | if not self._wc_tracked: |
|
444 | 444 | return False |
|
445 | 445 | elif not self._p1_tracked: |
|
446 | 446 | return False |
|
447 | 447 | elif self._p2_info: |
|
448 | 448 | return False |
|
449 | 449 | return True |
|
450 | 450 | |
|
451 | 451 | @property |
|
452 | 452 | def p1_tracked(self): |
|
453 | 453 | """True if the file is tracked in the first parent manifest""" |
|
454 | 454 | return self._p1_tracked |
|
455 | 455 | |
|
456 | 456 | @property |
|
457 | 457 | def p2_info(self): |
|
458 | 458 | """True if the file needed to merge or apply any input from p2 |
|
459 | 459 | |
|
460 | 460 | See the class documentation for details. |
|
461 | 461 | """ |
|
462 | 462 | return self._wc_tracked and self._p2_info |
|
463 | 463 | |
|
464 | 464 | @property |
|
465 | 465 | def removed(self): |
|
466 | 466 | """True if the file has been removed""" |
|
467 | 467 | return not self._wc_tracked and (self._p1_tracked or self._p2_info) |
|
468 | 468 | |
|
469 | 469 | def v2_data(self): |
|
470 | 470 | """Returns (flags, mode, size, mtime) for v2 serialization""" |
|
471 | 471 | flags = 0 |
|
472 | 472 | if self._wc_tracked: |
|
473 | 473 | flags |= DIRSTATE_V2_WDIR_TRACKED |
|
474 | 474 | if self._p1_tracked: |
|
475 | 475 | flags |= DIRSTATE_V2_P1_TRACKED |
|
476 | 476 | if self._p2_info: |
|
477 | 477 | flags |= DIRSTATE_V2_P2_INFO |
|
478 | 478 | if self._mode is not None and self._size is not None: |
|
479 | 479 | flags |= DIRSTATE_V2_HAS_MODE_AND_SIZE |
|
480 | 480 | if self.mode & stat.S_IXUSR: |
|
481 | 481 | flags |= DIRSTATE_V2_MODE_EXEC_PERM |
|
482 | 482 | if stat.S_ISLNK(self.mode): |
|
483 | 483 | flags |= DIRSTATE_V2_MODE_IS_SYMLINK |
|
484 | 484 | if self._mtime_s is not None: |
|
485 | 485 | flags |= DIRSTATE_V2_HAS_MTIME |
|
486 | 486 | |
|
487 | 487 | if self._fallback_exec is not None: |
|
488 | 488 | flags |= DIRSTATE_V2_HAS_FALLBACK_EXEC |
|
489 | 489 | if self._fallback_exec: |
|
490 | 490 | flags |= DIRSTATE_V2_FALLBACK_EXEC |
|
491 | 491 | |
|
492 | 492 | if self._fallback_symlink is not None: |
|
493 | 493 | flags |= DIRSTATE_V2_HAS_FALLBACK_SYMLINK |
|
494 | 494 | if self._fallback_symlink: |
|
495 | 495 | flags |= DIRSTATE_V2_FALLBACK_SYMLINK |
|
496 | 496 | |
|
497 | 497 | # Note: we do not need to do anything regarding |
|
498 | 498 | # DIRSTATE_V2_ALL_UNKNOWN_RECORDED and DIRSTATE_V2_ALL_IGNORED_RECORDED |
|
499 | 499 | # since we never set _DIRSTATE_V2_HAS_DIRCTORY_MTIME |
|
500 | 500 | return (flags, self._size or 0, self._mtime_s or 0, self._mtime_ns or 0) |
|
501 | 501 | |
|
502 | 502 | def v1_state(self): |
|
503 | 503 | """return a "state" suitable for v1 serialization""" |
|
504 | 504 | if not self.any_tracked: |
|
505 | 505 | # the object has no state to record, this is -currently- |
|
506 | 506 | # unsupported |
|
507 | 507 | raise RuntimeError('untracked item') |
|
508 | 508 | elif self.removed: |
|
509 | 509 | return b'r' |
|
510 | 510 | elif self._p1_tracked and self._p2_info: |
|
511 | 511 | return b'm' |
|
512 | 512 | elif self.added: |
|
513 | 513 | return b'a' |
|
514 | 514 | else: |
|
515 | 515 | return b'n' |
|
516 | 516 | |
|
517 | 517 | def v1_mode(self): |
|
518 | 518 | """return a "mode" suitable for v1 serialization""" |
|
519 | 519 | return self._mode if self._mode is not None else 0 |
|
520 | 520 | |
|
521 | 521 | def v1_size(self): |
|
522 | 522 | """return a "size" suitable for v1 serialization""" |
|
523 | 523 | if not self.any_tracked: |
|
524 | 524 | # the object has no state to record, this is -currently- |
|
525 | 525 | # unsupported |
|
526 | 526 | raise RuntimeError('untracked item') |
|
527 | 527 | elif self.removed and self._p1_tracked and self._p2_info: |
|
528 | 528 | return NONNORMAL |
|
529 | 529 | elif self._p2_info: |
|
530 | 530 | return FROM_P2 |
|
531 | 531 | elif self.removed: |
|
532 | 532 | return 0 |
|
533 | 533 | elif self.added: |
|
534 | 534 | return NONNORMAL |
|
535 | 535 | elif self._size is None: |
|
536 | 536 | return NONNORMAL |
|
537 | 537 | else: |
|
538 | 538 | return self._size |
|
539 | 539 | |
|
540 | 540 | def v1_mtime(self): |
|
541 | 541 | """return a "mtime" suitable for v1 serialization""" |
|
542 | 542 | if not self.any_tracked: |
|
543 | 543 | # the object has no state to record, this is -currently- |
|
544 | 544 | # unsupported |
|
545 | 545 | raise RuntimeError('untracked item') |
|
546 | 546 | elif self.removed: |
|
547 | 547 | return 0 |
|
548 | 548 | elif self._mtime_s is None: |
|
549 | 549 | return AMBIGUOUS_TIME |
|
550 | 550 | elif self._p2_info: |
|
551 | 551 | return AMBIGUOUS_TIME |
|
552 | 552 | elif not self._p1_tracked: |
|
553 | 553 | return AMBIGUOUS_TIME |
|
554 | elif self._mtime_second_ambiguous: | |
|
555 | return AMBIGUOUS_TIME | |
|
554 | 556 | else: |
|
555 | 557 | return self._mtime_s |
|
556 | 558 | |
|
557 | 559 | |
|
558 | 560 | def gettype(q): |
|
559 | 561 | return int(q & 0xFFFF) |
|
560 | 562 | |
|
561 | 563 | |
|
562 | 564 | class BaseIndexObject(object): |
|
563 | 565 | # Can I be passed to an algorithme implemented in Rust ? |
|
564 | 566 | rust_ext_compat = 0 |
|
565 | 567 | # Format of an index entry according to Python's `struct` language |
|
566 | 568 | index_format = revlog_constants.INDEX_ENTRY_V1 |
|
567 | 569 | # Size of a C unsigned long long int, platform independent |
|
568 | 570 | big_int_size = struct.calcsize(b'>Q') |
|
569 | 571 | # Size of a C long int, platform independent |
|
570 | 572 | int_size = struct.calcsize(b'>i') |
|
571 | 573 | # An empty index entry, used as a default value to be overridden, or nullrev |
|
572 | 574 | null_item = ( |
|
573 | 575 | 0, |
|
574 | 576 | 0, |
|
575 | 577 | 0, |
|
576 | 578 | -1, |
|
577 | 579 | -1, |
|
578 | 580 | -1, |
|
579 | 581 | -1, |
|
580 | 582 | sha1nodeconstants.nullid, |
|
581 | 583 | 0, |
|
582 | 584 | 0, |
|
583 | 585 | revlog_constants.COMP_MODE_INLINE, |
|
584 | 586 | revlog_constants.COMP_MODE_INLINE, |
|
585 | 587 | ) |
|
586 | 588 | |
|
587 | 589 | @util.propertycache |
|
588 | 590 | def entry_size(self): |
|
589 | 591 | return self.index_format.size |
|
590 | 592 | |
|
591 | 593 | @property |
|
592 | 594 | def nodemap(self): |
|
593 | 595 | msg = b"index.nodemap is deprecated, use index.[has_node|rev|get_rev]" |
|
594 | 596 | util.nouideprecwarn(msg, b'5.3', stacklevel=2) |
|
595 | 597 | return self._nodemap |
|
596 | 598 | |
|
597 | 599 | @util.propertycache |
|
598 | 600 | def _nodemap(self): |
|
599 | 601 | nodemap = nodemaputil.NodeMap({sha1nodeconstants.nullid: nullrev}) |
|
600 | 602 | for r in range(0, len(self)): |
|
601 | 603 | n = self[r][7] |
|
602 | 604 | nodemap[n] = r |
|
603 | 605 | return nodemap |
|
604 | 606 | |
|
605 | 607 | def has_node(self, node): |
|
606 | 608 | """return True if the node exist in the index""" |
|
607 | 609 | return node in self._nodemap |
|
608 | 610 | |
|
609 | 611 | def rev(self, node): |
|
610 | 612 | """return a revision for a node |
|
611 | 613 | |
|
612 | 614 | If the node is unknown, raise a RevlogError""" |
|
613 | 615 | return self._nodemap[node] |
|
614 | 616 | |
|
615 | 617 | def get_rev(self, node): |
|
616 | 618 | """return a revision for a node |
|
617 | 619 | |
|
618 | 620 | If the node is unknown, return None""" |
|
619 | 621 | return self._nodemap.get(node) |
|
620 | 622 | |
|
621 | 623 | def _stripnodes(self, start): |
|
622 | 624 | if '_nodemap' in vars(self): |
|
623 | 625 | for r in range(start, len(self)): |
|
624 | 626 | n = self[r][7] |
|
625 | 627 | del self._nodemap[n] |
|
626 | 628 | |
|
627 | 629 | def clearcaches(self): |
|
628 | 630 | self.__dict__.pop('_nodemap', None) |
|
629 | 631 | |
|
630 | 632 | def __len__(self): |
|
631 | 633 | return self._lgt + len(self._extra) |
|
632 | 634 | |
|
633 | 635 | def append(self, tup): |
|
634 | 636 | if '_nodemap' in vars(self): |
|
635 | 637 | self._nodemap[tup[7]] = len(self) |
|
636 | 638 | data = self._pack_entry(len(self), tup) |
|
637 | 639 | self._extra.append(data) |
|
638 | 640 | |
|
639 | 641 | def _pack_entry(self, rev, entry): |
|
640 | 642 | assert entry[8] == 0 |
|
641 | 643 | assert entry[9] == 0 |
|
642 | 644 | return self.index_format.pack(*entry[:8]) |
|
643 | 645 | |
|
644 | 646 | def _check_index(self, i): |
|
645 | 647 | if not isinstance(i, int): |
|
646 | 648 | raise TypeError(b"expecting int indexes") |
|
647 | 649 | if i < 0 or i >= len(self): |
|
648 | 650 | raise IndexError |
|
649 | 651 | |
|
650 | 652 | def __getitem__(self, i): |
|
651 | 653 | if i == -1: |
|
652 | 654 | return self.null_item |
|
653 | 655 | self._check_index(i) |
|
654 | 656 | if i >= self._lgt: |
|
655 | 657 | data = self._extra[i - self._lgt] |
|
656 | 658 | else: |
|
657 | 659 | index = self._calculate_index(i) |
|
658 | 660 | data = self._data[index : index + self.entry_size] |
|
659 | 661 | r = self._unpack_entry(i, data) |
|
660 | 662 | if self._lgt and i == 0: |
|
661 | 663 | offset = revlogutils.offset_type(0, gettype(r[0])) |
|
662 | 664 | r = (offset,) + r[1:] |
|
663 | 665 | return r |
|
664 | 666 | |
|
665 | 667 | def _unpack_entry(self, rev, data): |
|
666 | 668 | r = self.index_format.unpack(data) |
|
667 | 669 | r = r + ( |
|
668 | 670 | 0, |
|
669 | 671 | 0, |
|
670 | 672 | revlog_constants.COMP_MODE_INLINE, |
|
671 | 673 | revlog_constants.COMP_MODE_INLINE, |
|
672 | 674 | ) |
|
673 | 675 | return r |
|
674 | 676 | |
|
675 | 677 | def pack_header(self, header): |
|
676 | 678 | """pack header information as binary""" |
|
677 | 679 | v_fmt = revlog_constants.INDEX_HEADER |
|
678 | 680 | return v_fmt.pack(header) |
|
679 | 681 | |
|
680 | 682 | def entry_binary(self, rev): |
|
681 | 683 | """return the raw binary string representing a revision""" |
|
682 | 684 | entry = self[rev] |
|
683 | 685 | p = revlog_constants.INDEX_ENTRY_V1.pack(*entry[:8]) |
|
684 | 686 | if rev == 0: |
|
685 | 687 | p = p[revlog_constants.INDEX_HEADER.size :] |
|
686 | 688 | return p |
|
687 | 689 | |
|
688 | 690 | |
|
689 | 691 | class IndexObject(BaseIndexObject): |
|
690 | 692 | def __init__(self, data): |
|
691 | 693 | assert len(data) % self.entry_size == 0, ( |
|
692 | 694 | len(data), |
|
693 | 695 | self.entry_size, |
|
694 | 696 | len(data) % self.entry_size, |
|
695 | 697 | ) |
|
696 | 698 | self._data = data |
|
697 | 699 | self._lgt = len(data) // self.entry_size |
|
698 | 700 | self._extra = [] |
|
699 | 701 | |
|
700 | 702 | def _calculate_index(self, i): |
|
701 | 703 | return i * self.entry_size |
|
702 | 704 | |
|
703 | 705 | def __delitem__(self, i): |
|
704 | 706 | if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
|
705 | 707 | raise ValueError(b"deleting slices only supports a:-1 with step 1") |
|
706 | 708 | i = i.start |
|
707 | 709 | self._check_index(i) |
|
708 | 710 | self._stripnodes(i) |
|
709 | 711 | if i < self._lgt: |
|
710 | 712 | self._data = self._data[: i * self.entry_size] |
|
711 | 713 | self._lgt = i |
|
712 | 714 | self._extra = [] |
|
713 | 715 | else: |
|
714 | 716 | self._extra = self._extra[: i - self._lgt] |
|
715 | 717 | |
|
716 | 718 | |
|
717 | 719 | class PersistentNodeMapIndexObject(IndexObject): |
|
718 | 720 | """a Debug oriented class to test persistent nodemap |
|
719 | 721 | |
|
720 | 722 | We need a simple python object to test API and higher level behavior. See |
|
721 | 723 | the Rust implementation for more serious usage. This should be used only |
|
722 | 724 | through the dedicated `devel.persistent-nodemap` config. |
|
723 | 725 | """ |
|
724 | 726 | |
|
725 | 727 | def nodemap_data_all(self): |
|
726 | 728 | """Return bytes containing a full serialization of a nodemap |
|
727 | 729 | |
|
728 | 730 | The nodemap should be valid for the full set of revisions in the |
|
729 | 731 | index.""" |
|
730 | 732 | return nodemaputil.persistent_data(self) |
|
731 | 733 | |
|
732 | 734 | def nodemap_data_incremental(self): |
|
733 | 735 | """Return bytes containing a incremental update to persistent nodemap |
|
734 | 736 | |
|
735 | 737 | This containst the data for an append-only update of the data provided |
|
736 | 738 | in the last call to `update_nodemap_data`. |
|
737 | 739 | """ |
|
738 | 740 | if self._nm_root is None: |
|
739 | 741 | return None |
|
740 | 742 | docket = self._nm_docket |
|
741 | 743 | changed, data = nodemaputil.update_persistent_data( |
|
742 | 744 | self, self._nm_root, self._nm_max_idx, self._nm_docket.tip_rev |
|
743 | 745 | ) |
|
744 | 746 | |
|
745 | 747 | self._nm_root = self._nm_max_idx = self._nm_docket = None |
|
746 | 748 | return docket, changed, data |
|
747 | 749 | |
|
748 | 750 | def update_nodemap_data(self, docket, nm_data): |
|
749 | 751 | """provide full block of persisted binary data for a nodemap |
|
750 | 752 | |
|
751 | 753 | The data are expected to come from disk. See `nodemap_data_all` for a |
|
752 | 754 | produceur of such data.""" |
|
753 | 755 | if nm_data is not None: |
|
754 | 756 | self._nm_root, self._nm_max_idx = nodemaputil.parse_data(nm_data) |
|
755 | 757 | if self._nm_root: |
|
756 | 758 | self._nm_docket = docket |
|
757 | 759 | else: |
|
758 | 760 | self._nm_root = self._nm_max_idx = self._nm_docket = None |
|
759 | 761 | |
|
760 | 762 | |
|
761 | 763 | class InlinedIndexObject(BaseIndexObject): |
|
762 | 764 | def __init__(self, data, inline=0): |
|
763 | 765 | self._data = data |
|
764 | 766 | self._lgt = self._inline_scan(None) |
|
765 | 767 | self._inline_scan(self._lgt) |
|
766 | 768 | self._extra = [] |
|
767 | 769 | |
|
768 | 770 | def _inline_scan(self, lgt): |
|
769 | 771 | off = 0 |
|
770 | 772 | if lgt is not None: |
|
771 | 773 | self._offsets = [0] * lgt |
|
772 | 774 | count = 0 |
|
773 | 775 | while off <= len(self._data) - self.entry_size: |
|
774 | 776 | start = off + self.big_int_size |
|
775 | 777 | (s,) = struct.unpack( |
|
776 | 778 | b'>i', |
|
777 | 779 | self._data[start : start + self.int_size], |
|
778 | 780 | ) |
|
779 | 781 | if lgt is not None: |
|
780 | 782 | self._offsets[count] = off |
|
781 | 783 | count += 1 |
|
782 | 784 | off += self.entry_size + s |
|
783 | 785 | if off != len(self._data): |
|
784 | 786 | raise ValueError(b"corrupted data") |
|
785 | 787 | return count |
|
786 | 788 | |
|
787 | 789 | def __delitem__(self, i): |
|
788 | 790 | if not isinstance(i, slice) or not i.stop == -1 or i.step is not None: |
|
789 | 791 | raise ValueError(b"deleting slices only supports a:-1 with step 1") |
|
790 | 792 | i = i.start |
|
791 | 793 | self._check_index(i) |
|
792 | 794 | self._stripnodes(i) |
|
793 | 795 | if i < self._lgt: |
|
794 | 796 | self._offsets = self._offsets[:i] |
|
795 | 797 | self._lgt = i |
|
796 | 798 | self._extra = [] |
|
797 | 799 | else: |
|
798 | 800 | self._extra = self._extra[: i - self._lgt] |
|
799 | 801 | |
|
800 | 802 | def _calculate_index(self, i): |
|
801 | 803 | return self._offsets[i] |
|
802 | 804 | |
|
803 | 805 | |
|
804 | 806 | def parse_index2(data, inline, revlogv2=False): |
|
805 | 807 | if not inline: |
|
806 | 808 | cls = IndexObject2 if revlogv2 else IndexObject |
|
807 | 809 | return cls(data), None |
|
808 | 810 | cls = InlinedIndexObject |
|
809 | 811 | return cls(data, inline), (0, data) |
|
810 | 812 | |
|
811 | 813 | |
|
812 | 814 | def parse_index_cl_v2(data): |
|
813 | 815 | return IndexChangelogV2(data), None |
|
814 | 816 | |
|
815 | 817 | |
|
816 | 818 | class IndexObject2(IndexObject): |
|
817 | 819 | index_format = revlog_constants.INDEX_ENTRY_V2 |
|
818 | 820 | |
|
819 | 821 | def replace_sidedata_info( |
|
820 | 822 | self, |
|
821 | 823 | rev, |
|
822 | 824 | sidedata_offset, |
|
823 | 825 | sidedata_length, |
|
824 | 826 | offset_flags, |
|
825 | 827 | compression_mode, |
|
826 | 828 | ): |
|
827 | 829 | """ |
|
828 | 830 | Replace an existing index entry's sidedata offset and length with new |
|
829 | 831 | ones. |
|
830 | 832 | This cannot be used outside of the context of sidedata rewriting, |
|
831 | 833 | inside the transaction that creates the revision `rev`. |
|
832 | 834 | """ |
|
833 | 835 | if rev < 0: |
|
834 | 836 | raise KeyError |
|
835 | 837 | self._check_index(rev) |
|
836 | 838 | if rev < self._lgt: |
|
837 | 839 | msg = b"cannot rewrite entries outside of this transaction" |
|
838 | 840 | raise KeyError(msg) |
|
839 | 841 | else: |
|
840 | 842 | entry = list(self[rev]) |
|
841 | 843 | entry[0] = offset_flags |
|
842 | 844 | entry[8] = sidedata_offset |
|
843 | 845 | entry[9] = sidedata_length |
|
844 | 846 | entry[11] = compression_mode |
|
845 | 847 | entry = tuple(entry) |
|
846 | 848 | new = self._pack_entry(rev, entry) |
|
847 | 849 | self._extra[rev - self._lgt] = new |
|
848 | 850 | |
|
849 | 851 | def _unpack_entry(self, rev, data): |
|
850 | 852 | data = self.index_format.unpack(data) |
|
851 | 853 | entry = data[:10] |
|
852 | 854 | data_comp = data[10] & 3 |
|
853 | 855 | sidedata_comp = (data[10] & (3 << 2)) >> 2 |
|
854 | 856 | return entry + (data_comp, sidedata_comp) |
|
855 | 857 | |
|
856 | 858 | def _pack_entry(self, rev, entry): |
|
857 | 859 | data = entry[:10] |
|
858 | 860 | data_comp = entry[10] & 3 |
|
859 | 861 | sidedata_comp = (entry[11] & 3) << 2 |
|
860 | 862 | data += (data_comp | sidedata_comp,) |
|
861 | 863 | |
|
862 | 864 | return self.index_format.pack(*data) |
|
863 | 865 | |
|
864 | 866 | def entry_binary(self, rev): |
|
865 | 867 | """return the raw binary string representing a revision""" |
|
866 | 868 | entry = self[rev] |
|
867 | 869 | return self._pack_entry(rev, entry) |
|
868 | 870 | |
|
869 | 871 | def pack_header(self, header): |
|
870 | 872 | """pack header information as binary""" |
|
871 | 873 | msg = 'version header should go in the docket, not the index: %d' |
|
872 | 874 | msg %= header |
|
873 | 875 | raise error.ProgrammingError(msg) |
|
874 | 876 | |
|
875 | 877 | |
|
876 | 878 | class IndexChangelogV2(IndexObject2): |
|
877 | 879 | index_format = revlog_constants.INDEX_ENTRY_CL_V2 |
|
878 | 880 | |
|
879 | 881 | def _unpack_entry(self, rev, data, r=True): |
|
880 | 882 | items = self.index_format.unpack(data) |
|
881 | 883 | entry = items[:3] + (rev, rev) + items[3:8] |
|
882 | 884 | data_comp = items[8] & 3 |
|
883 | 885 | sidedata_comp = (items[8] >> 2) & 3 |
|
884 | 886 | return entry + (data_comp, sidedata_comp) |
|
885 | 887 | |
|
886 | 888 | def _pack_entry(self, rev, entry): |
|
887 | 889 | assert entry[3] == rev, entry[3] |
|
888 | 890 | assert entry[4] == rev, entry[4] |
|
889 | 891 | data = entry[:3] + entry[5:10] |
|
890 | 892 | data_comp = entry[10] & 3 |
|
891 | 893 | sidedata_comp = (entry[11] & 3) << 2 |
|
892 | 894 | data += (data_comp | sidedata_comp,) |
|
893 | 895 | return self.index_format.pack(*data) |
|
894 | 896 | |
|
895 | 897 | |
|
896 | 898 | def parse_index_devel_nodemap(data, inline): |
|
897 | 899 | """like parse_index2, but alway return a PersistentNodeMapIndexObject""" |
|
898 | 900 | return PersistentNodeMapIndexObject(data), None |
|
899 | 901 | |
|
900 | 902 | |
|
901 | 903 | def parse_dirstate(dmap, copymap, st): |
|
902 | 904 | parents = [st[:20], st[20:40]] |
|
903 | 905 | # dereference fields so they will be local in loop |
|
904 | 906 | format = b">cllll" |
|
905 | 907 | e_size = struct.calcsize(format) |
|
906 | 908 | pos1 = 40 |
|
907 | 909 | l = len(st) |
|
908 | 910 | |
|
909 | 911 | # the inner loop |
|
910 | 912 | while pos1 < l: |
|
911 | 913 | pos2 = pos1 + e_size |
|
912 | 914 | e = _unpack(b">cllll", st[pos1:pos2]) # a literal here is faster |
|
913 | 915 | pos1 = pos2 + e[4] |
|
914 | 916 | f = st[pos2:pos1] |
|
915 | 917 | if b'\0' in f: |
|
916 | 918 | f, c = f.split(b'\0') |
|
917 | 919 | copymap[f] = c |
|
918 | 920 | dmap[f] = DirstateItem.from_v1_data(*e[:4]) |
|
919 | 921 | return parents |
|
920 | 922 | |
|
921 | 923 | |
|
922 | 924 | def pack_dirstate(dmap, copymap, pl): |
|
923 | 925 | cs = stringio() |
|
924 | 926 | write = cs.write |
|
925 | 927 | write(b"".join(pl)) |
|
926 | 928 | for f, e in pycompat.iteritems(dmap): |
|
927 | 929 | if f in copymap: |
|
928 | 930 | f = b"%s\0%s" % (f, copymap[f]) |
|
929 | 931 | e = _pack( |
|
930 | 932 | b">cllll", |
|
931 | 933 | e.v1_state(), |
|
932 | 934 | e.v1_mode(), |
|
933 | 935 | e.v1_size(), |
|
934 | 936 | e.v1_mtime(), |
|
935 | 937 | len(f), |
|
936 | 938 | ) |
|
937 | 939 | write(e) |
|
938 | 940 | write(f) |
|
939 | 941 | return cs.getvalue() |
@@ -1,655 +1,659 b'' | |||
|
1 | 1 | use crate::dirstate_tree::on_disk::DirstateV2ParseError; |
|
2 | 2 | use crate::errors::HgError; |
|
3 | 3 | use bitflags::bitflags; |
|
4 | 4 | use std::convert::{TryFrom, TryInto}; |
|
5 | 5 | use std::fs; |
|
6 | 6 | use std::io; |
|
7 | 7 | use std::time::{SystemTime, UNIX_EPOCH}; |
|
8 | 8 | |
|
9 | 9 | #[derive(Copy, Clone, Debug, Eq, PartialEq)] |
|
10 | 10 | pub enum EntryState { |
|
11 | 11 | Normal, |
|
12 | 12 | Added, |
|
13 | 13 | Removed, |
|
14 | 14 | Merged, |
|
15 | 15 | } |
|
16 | 16 | |
|
17 | 17 | /// `size` and `mtime.seconds` are truncated to 31 bits. |
|
18 | 18 | /// |
|
19 | 19 | /// TODO: double-check status algorithm correctness for files |
|
20 | 20 | /// larger than 2 GiB or modified after 2038. |
|
21 | 21 | #[derive(Debug, Copy, Clone)] |
|
22 | 22 | pub struct DirstateEntry { |
|
23 | 23 | pub(crate) flags: Flags, |
|
24 | 24 | mode_size: Option<(u32, u32)>, |
|
25 | 25 | mtime: Option<TruncatedTimestamp>, |
|
26 | 26 | } |
|
27 | 27 | |
|
28 | 28 | bitflags! { |
|
29 | 29 | pub(crate) struct Flags: u8 { |
|
30 | 30 | const WDIR_TRACKED = 1 << 0; |
|
31 | 31 | const P1_TRACKED = 1 << 1; |
|
32 | 32 | const P2_INFO = 1 << 2; |
|
33 | 33 | const HAS_FALLBACK_EXEC = 1 << 3; |
|
34 | 34 | const FALLBACK_EXEC = 1 << 4; |
|
35 | 35 | const HAS_FALLBACK_SYMLINK = 1 << 5; |
|
36 | 36 | const FALLBACK_SYMLINK = 1 << 6; |
|
37 | 37 | } |
|
38 | 38 | } |
|
39 | 39 | |
|
40 | 40 | /// A Unix timestamp with nanoseconds precision |
|
41 | 41 | #[derive(Debug, Copy, Clone)] |
|
42 | 42 | pub struct TruncatedTimestamp { |
|
43 | 43 | truncated_seconds: u32, |
|
44 | 44 | /// Always in the `0 .. 1_000_000_000` range. |
|
45 | 45 | nanoseconds: u32, |
|
46 | 46 | second_ambiguous: bool, |
|
47 | 47 | } |
|
48 | 48 | |
|
49 | 49 | impl TruncatedTimestamp { |
|
50 | 50 | /// Constructs from a timestamp potentially outside of the supported range, |
|
51 | 51 | /// and truncate the seconds components to its lower 31 bits. |
|
52 | 52 | /// |
|
53 | 53 | /// Panics if the nanoseconds components is not in the expected range. |
|
54 | 54 | pub fn new_truncate( |
|
55 | 55 | seconds: i64, |
|
56 | 56 | nanoseconds: u32, |
|
57 | 57 | second_ambiguous: bool, |
|
58 | 58 | ) -> Self { |
|
59 | 59 | assert!(nanoseconds < NSEC_PER_SEC); |
|
60 | 60 | Self { |
|
61 | 61 | truncated_seconds: seconds as u32 & RANGE_MASK_31BIT, |
|
62 | 62 | nanoseconds, |
|
63 | 63 | second_ambiguous, |
|
64 | 64 | } |
|
65 | 65 | } |
|
66 | 66 | |
|
67 | 67 | /// Construct from components. Returns an error if they are not in the |
|
68 | 68 | /// expcted range. |
|
69 | 69 | pub fn from_already_truncated( |
|
70 | 70 | truncated_seconds: u32, |
|
71 | 71 | nanoseconds: u32, |
|
72 | 72 | second_ambiguous: bool, |
|
73 | 73 | ) -> Result<Self, DirstateV2ParseError> { |
|
74 | 74 | if truncated_seconds & !RANGE_MASK_31BIT == 0 |
|
75 | 75 | && nanoseconds < NSEC_PER_SEC |
|
76 | 76 | { |
|
77 | 77 | Ok(Self { |
|
78 | 78 | truncated_seconds, |
|
79 | 79 | nanoseconds, |
|
80 | 80 | second_ambiguous, |
|
81 | 81 | }) |
|
82 | 82 | } else { |
|
83 | 83 | Err(DirstateV2ParseError) |
|
84 | 84 | } |
|
85 | 85 | } |
|
86 | 86 | |
|
87 | 87 | pub fn for_mtime_of(metadata: &fs::Metadata) -> io::Result<Self> { |
|
88 | 88 | #[cfg(unix)] |
|
89 | 89 | { |
|
90 | 90 | use std::os::unix::fs::MetadataExt; |
|
91 | 91 | let seconds = metadata.mtime(); |
|
92 | 92 | // i64Β -> u32 with value always in the `0 .. NSEC_PER_SEC` range |
|
93 | 93 | let nanoseconds = metadata.mtime_nsec().try_into().unwrap(); |
|
94 | 94 | Ok(Self::new_truncate(seconds, nanoseconds, false)) |
|
95 | 95 | } |
|
96 | 96 | #[cfg(not(unix))] |
|
97 | 97 | { |
|
98 | 98 | metadata.modified().map(Self::from) |
|
99 | 99 | } |
|
100 | 100 | } |
|
101 | 101 | |
|
102 | 102 | /// The lower 31 bits of the number of seconds since the epoch. |
|
103 | 103 | pub fn truncated_seconds(&self) -> u32 { |
|
104 | 104 | self.truncated_seconds |
|
105 | 105 | } |
|
106 | 106 | |
|
107 | 107 | /// The sub-second component of this timestamp, in nanoseconds. |
|
108 | 108 | /// Always in the `0 .. 1_000_000_000` range. |
|
109 | 109 | /// |
|
110 | 110 | /// This timestamp is after `(seconds, 0)` by this many nanoseconds. |
|
111 | 111 | pub fn nanoseconds(&self) -> u32 { |
|
112 | 112 | self.nanoseconds |
|
113 | 113 | } |
|
114 | 114 | |
|
115 | 115 | /// Returns whether two timestamps are equal modulo 2**31 seconds. |
|
116 | 116 | /// |
|
117 | 117 | /// If this returns `true`, the original values converted from `SystemTime` |
|
118 | 118 | /// or given to `new_truncate` were very likely equal. A false positive is |
|
119 | 119 | /// possible if they were exactly a multiple of 2**31 seconds apart (around |
|
120 | 120 | /// 68 years). This is deemed very unlikely to happen by chance, especially |
|
121 | 121 | /// on filesystems that support sub-second precision. |
|
122 | 122 | /// |
|
123 | 123 | /// If someone is manipulating the modification times of some files to |
|
124 | 124 | /// intentionally make `hg status` return incorrect results, not truncating |
|
125 | 125 | /// wouldnβt help much since they can set exactly the expected timestamp. |
|
126 | 126 | /// |
|
127 | 127 | /// Sub-second precision is ignored if it is zero in either value. |
|
128 | 128 | /// Some APIs simply return zero when more precision is not available. |
|
129 | 129 | /// When comparing values from different sources, if only one is truncated |
|
130 | 130 | /// in that way, doing a simple comparison would cause many false |
|
131 | 131 | /// negatives. |
|
132 | 132 | pub fn likely_equal(self, other: Self) -> bool { |
|
133 | 133 | if self.truncated_seconds != other.truncated_seconds { |
|
134 | 134 | false |
|
135 | 135 | } else if self.nanoseconds == 0 || other.nanoseconds == 0 { |
|
136 | 136 | if self.second_ambiguous { |
|
137 | 137 | false |
|
138 | 138 | } else { |
|
139 | 139 | true |
|
140 | 140 | } |
|
141 | 141 | } else { |
|
142 | 142 | self.nanoseconds == other.nanoseconds |
|
143 | 143 | } |
|
144 | 144 | } |
|
145 | 145 | |
|
146 | 146 | pub fn likely_equal_to_mtime_of( |
|
147 | 147 | self, |
|
148 | 148 | metadata: &fs::Metadata, |
|
149 | 149 | ) -> io::Result<bool> { |
|
150 | 150 | Ok(self.likely_equal(Self::for_mtime_of(metadata)?)) |
|
151 | 151 | } |
|
152 | 152 | } |
|
153 | 153 | |
|
154 | 154 | impl From<SystemTime> for TruncatedTimestamp { |
|
155 | 155 | fn from(system_time: SystemTime) -> Self { |
|
156 | 156 | // On Unix, `SystemTime` is a wrapper for the `timespec` C struct: |
|
157 | 157 | // https://www.gnu.org/software/libc/manual/html_node/Time-Types.html#index-struct-timespec |
|
158 | 158 | // We want to effectively access its fields, but the Rust standard |
|
159 | 159 | // library does not expose them. The best we can do is: |
|
160 | 160 | let seconds; |
|
161 | 161 | let nanoseconds; |
|
162 | 162 | match system_time.duration_since(UNIX_EPOCH) { |
|
163 | 163 | Ok(duration) => { |
|
164 | 164 | seconds = duration.as_secs() as i64; |
|
165 | 165 | nanoseconds = duration.subsec_nanos(); |
|
166 | 166 | } |
|
167 | 167 | Err(error) => { |
|
168 | 168 | // `system_time` is before `UNIX_EPOCH`. |
|
169 | 169 | // We need to undo this algorithm: |
|
170 | 170 | // https://github.com/rust-lang/rust/blob/6bed1f0bc3cc50c10aab26d5f94b16a00776b8a5/library/std/src/sys/unix/time.rs#L40-L41 |
|
171 | 171 | let negative = error.duration(); |
|
172 | 172 | let negative_secs = negative.as_secs() as i64; |
|
173 | 173 | let negative_nanos = negative.subsec_nanos(); |
|
174 | 174 | if negative_nanos == 0 { |
|
175 | 175 | seconds = -negative_secs; |
|
176 | 176 | nanoseconds = 0; |
|
177 | 177 | } else { |
|
178 | 178 | // For example if `system_time` was 4.3Β seconds before |
|
179 | 179 | // the Unix epoch we get a Duration that represents |
|
180 | 180 | // `(-4, -0.3)` but we want `(-5, +0.7)`: |
|
181 | 181 | seconds = -1 - negative_secs; |
|
182 | 182 | nanoseconds = NSEC_PER_SEC - negative_nanos; |
|
183 | 183 | } |
|
184 | 184 | } |
|
185 | 185 | }; |
|
186 | 186 | Self::new_truncate(seconds, nanoseconds, false) |
|
187 | 187 | } |
|
188 | 188 | } |
|
189 | 189 | |
|
190 | 190 | const NSEC_PER_SEC: u32 = 1_000_000_000; |
|
191 | 191 | const RANGE_MASK_31BIT: u32 = 0x7FFF_FFFF; |
|
192 | 192 | |
|
193 | 193 | pub const MTIME_UNSET: i32 = -1; |
|
194 | 194 | |
|
195 | 195 | /// A `DirstateEntry` with a size of `-2` means that it was merged from the |
|
196 | 196 | /// other parent. This allows revert to pick the right status back during a |
|
197 | 197 | /// merge. |
|
198 | 198 | pub const SIZE_FROM_OTHER_PARENT: i32 = -2; |
|
199 | 199 | /// A special value used for internal representation of special case in |
|
200 | 200 | /// dirstate v1 format. |
|
201 | 201 | pub const SIZE_NON_NORMAL: i32 = -1; |
|
202 | 202 | |
|
203 | 203 | impl DirstateEntry { |
|
204 | 204 | pub fn from_v2_data( |
|
205 | 205 | wdir_tracked: bool, |
|
206 | 206 | p1_tracked: bool, |
|
207 | 207 | p2_info: bool, |
|
208 | 208 | mode_size: Option<(u32, u32)>, |
|
209 | 209 | mtime: Option<TruncatedTimestamp>, |
|
210 | 210 | fallback_exec: Option<bool>, |
|
211 | 211 | fallback_symlink: Option<bool>, |
|
212 | 212 | ) -> Self { |
|
213 | 213 | if let Some((mode, size)) = mode_size { |
|
214 | 214 | // TODO: return an error for out of range values? |
|
215 | 215 | assert!(mode & !RANGE_MASK_31BIT == 0); |
|
216 | 216 | assert!(size & !RANGE_MASK_31BIT == 0); |
|
217 | 217 | } |
|
218 | 218 | let mut flags = Flags::empty(); |
|
219 | 219 | flags.set(Flags::WDIR_TRACKED, wdir_tracked); |
|
220 | 220 | flags.set(Flags::P1_TRACKED, p1_tracked); |
|
221 | 221 | flags.set(Flags::P2_INFO, p2_info); |
|
222 | 222 | if let Some(exec) = fallback_exec { |
|
223 | 223 | flags.insert(Flags::HAS_FALLBACK_EXEC); |
|
224 | 224 | if exec { |
|
225 | 225 | flags.insert(Flags::FALLBACK_EXEC); |
|
226 | 226 | } |
|
227 | 227 | } |
|
228 | 228 | if let Some(exec) = fallback_symlink { |
|
229 | 229 | flags.insert(Flags::HAS_FALLBACK_SYMLINK); |
|
230 | 230 | if exec { |
|
231 | 231 | flags.insert(Flags::FALLBACK_SYMLINK); |
|
232 | 232 | } |
|
233 | 233 | } |
|
234 | 234 | Self { |
|
235 | 235 | flags, |
|
236 | 236 | mode_size, |
|
237 | 237 | mtime, |
|
238 | 238 | } |
|
239 | 239 | } |
|
240 | 240 | |
|
241 | 241 | pub fn from_v1_data( |
|
242 | 242 | state: EntryState, |
|
243 | 243 | mode: i32, |
|
244 | 244 | size: i32, |
|
245 | 245 | mtime: i32, |
|
246 | 246 | ) -> Self { |
|
247 | 247 | match state { |
|
248 | 248 | EntryState::Normal => { |
|
249 | 249 | if size == SIZE_FROM_OTHER_PARENT { |
|
250 | 250 | Self { |
|
251 | 251 | // might be missing P1_TRACKED |
|
252 | 252 | flags: Flags::WDIR_TRACKED | Flags::P2_INFO, |
|
253 | 253 | mode_size: None, |
|
254 | 254 | mtime: None, |
|
255 | 255 | } |
|
256 | 256 | } else if size == SIZE_NON_NORMAL { |
|
257 | 257 | Self { |
|
258 | 258 | flags: Flags::WDIR_TRACKED | Flags::P1_TRACKED, |
|
259 | 259 | mode_size: None, |
|
260 | 260 | mtime: None, |
|
261 | 261 | } |
|
262 | 262 | } else if mtime == MTIME_UNSET { |
|
263 | 263 | // TODO:Β return an error for negative values? |
|
264 | 264 | let mode = u32::try_from(mode).unwrap(); |
|
265 | 265 | let size = u32::try_from(size).unwrap(); |
|
266 | 266 | Self { |
|
267 | 267 | flags: Flags::WDIR_TRACKED | Flags::P1_TRACKED, |
|
268 | 268 | mode_size: Some((mode, size)), |
|
269 | 269 | mtime: None, |
|
270 | 270 | } |
|
271 | 271 | } else { |
|
272 | 272 | // TODO:Β return an error for negative values? |
|
273 | 273 | let mode = u32::try_from(mode).unwrap(); |
|
274 | 274 | let size = u32::try_from(size).unwrap(); |
|
275 | 275 | let mtime = u32::try_from(mtime).unwrap(); |
|
276 | 276 | let mtime = TruncatedTimestamp::from_already_truncated( |
|
277 | 277 | mtime, 0, false, |
|
278 | 278 | ) |
|
279 | 279 | .unwrap(); |
|
280 | 280 | Self { |
|
281 | 281 | flags: Flags::WDIR_TRACKED | Flags::P1_TRACKED, |
|
282 | 282 | mode_size: Some((mode, size)), |
|
283 | 283 | mtime: Some(mtime), |
|
284 | 284 | } |
|
285 | 285 | } |
|
286 | 286 | } |
|
287 | 287 | EntryState::Added => Self { |
|
288 | 288 | flags: Flags::WDIR_TRACKED, |
|
289 | 289 | mode_size: None, |
|
290 | 290 | mtime: None, |
|
291 | 291 | }, |
|
292 | 292 | EntryState::Removed => Self { |
|
293 | 293 | flags: if size == SIZE_NON_NORMAL { |
|
294 | 294 | Flags::P1_TRACKED | Flags::P2_INFO |
|
295 | 295 | } else if size == SIZE_FROM_OTHER_PARENT { |
|
296 | 296 | // We donβt know if P1_TRACKED should be set (file history) |
|
297 | 297 | Flags::P2_INFO |
|
298 | 298 | } else { |
|
299 | 299 | Flags::P1_TRACKED |
|
300 | 300 | }, |
|
301 | 301 | mode_size: None, |
|
302 | 302 | mtime: None, |
|
303 | 303 | }, |
|
304 | 304 | EntryState::Merged => Self { |
|
305 | 305 | flags: Flags::WDIR_TRACKED |
|
306 | 306 | | Flags::P1_TRACKED // might not be true because of rename ? |
|
307 | 307 | | Flags::P2_INFO, // might not be true because of rename ? |
|
308 | 308 | mode_size: None, |
|
309 | 309 | mtime: None, |
|
310 | 310 | }, |
|
311 | 311 | } |
|
312 | 312 | } |
|
313 | 313 | |
|
314 | 314 | /// Creates a new entry in "removed" state. |
|
315 | 315 | /// |
|
316 | 316 | /// `size` is expected to be zero, `SIZE_NON_NORMAL`, or |
|
317 | 317 | /// `SIZE_FROM_OTHER_PARENT` |
|
318 | 318 | pub fn new_removed(size: i32) -> Self { |
|
319 | 319 | Self::from_v1_data(EntryState::Removed, 0, size, 0) |
|
320 | 320 | } |
|
321 | 321 | |
|
322 | 322 | pub fn tracked(&self) -> bool { |
|
323 | 323 | self.flags.contains(Flags::WDIR_TRACKED) |
|
324 | 324 | } |
|
325 | 325 | |
|
326 | 326 | pub fn p1_tracked(&self) -> bool { |
|
327 | 327 | self.flags.contains(Flags::P1_TRACKED) |
|
328 | 328 | } |
|
329 | 329 | |
|
330 | 330 | fn in_either_parent(&self) -> bool { |
|
331 | 331 | self.flags.intersects(Flags::P1_TRACKED | Flags::P2_INFO) |
|
332 | 332 | } |
|
333 | 333 | |
|
334 | 334 | pub fn removed(&self) -> bool { |
|
335 | 335 | self.in_either_parent() && !self.flags.contains(Flags::WDIR_TRACKED) |
|
336 | 336 | } |
|
337 | 337 | |
|
338 | 338 | pub fn p2_info(&self) -> bool { |
|
339 | 339 | self.flags.contains(Flags::WDIR_TRACKED | Flags::P2_INFO) |
|
340 | 340 | } |
|
341 | 341 | |
|
342 | 342 | pub fn added(&self) -> bool { |
|
343 | 343 | self.flags.contains(Flags::WDIR_TRACKED) && !self.in_either_parent() |
|
344 | 344 | } |
|
345 | 345 | |
|
346 | 346 | pub fn maybe_clean(&self) -> bool { |
|
347 | 347 | if !self.flags.contains(Flags::WDIR_TRACKED) { |
|
348 | 348 | false |
|
349 | 349 | } else if !self.flags.contains(Flags::P1_TRACKED) { |
|
350 | 350 | false |
|
351 | 351 | } else if self.flags.contains(Flags::P2_INFO) { |
|
352 | 352 | false |
|
353 | 353 | } else { |
|
354 | 354 | true |
|
355 | 355 | } |
|
356 | 356 | } |
|
357 | 357 | |
|
358 | 358 | pub fn any_tracked(&self) -> bool { |
|
359 | 359 | self.flags.intersects( |
|
360 | 360 | Flags::WDIR_TRACKED | Flags::P1_TRACKED | Flags::P2_INFO, |
|
361 | 361 | ) |
|
362 | 362 | } |
|
363 | 363 | |
|
364 | 364 | /// Returns `(wdir_tracked, p1_tracked, p2_info, mode_size, mtime)` |
|
365 | 365 | pub(crate) fn v2_data( |
|
366 | 366 | &self, |
|
367 | 367 | ) -> ( |
|
368 | 368 | bool, |
|
369 | 369 | bool, |
|
370 | 370 | bool, |
|
371 | 371 | Option<(u32, u32)>, |
|
372 | 372 | Option<TruncatedTimestamp>, |
|
373 | 373 | Option<bool>, |
|
374 | 374 | Option<bool>, |
|
375 | 375 | ) { |
|
376 | 376 | if !self.any_tracked() { |
|
377 | 377 | // TODO: return an Option instead? |
|
378 | 378 | panic!("Accessing v1_state of an untracked DirstateEntry") |
|
379 | 379 | } |
|
380 | 380 | let wdir_tracked = self.flags.contains(Flags::WDIR_TRACKED); |
|
381 | 381 | let p1_tracked = self.flags.contains(Flags::P1_TRACKED); |
|
382 | 382 | let p2_info = self.flags.contains(Flags::P2_INFO); |
|
383 | 383 | let mode_size = self.mode_size; |
|
384 | 384 | let mtime = self.mtime; |
|
385 | 385 | ( |
|
386 | 386 | wdir_tracked, |
|
387 | 387 | p1_tracked, |
|
388 | 388 | p2_info, |
|
389 | 389 | mode_size, |
|
390 | 390 | mtime, |
|
391 | 391 | self.get_fallback_exec(), |
|
392 | 392 | self.get_fallback_symlink(), |
|
393 | 393 | ) |
|
394 | 394 | } |
|
395 | 395 | |
|
396 | 396 | fn v1_state(&self) -> EntryState { |
|
397 | 397 | if !self.any_tracked() { |
|
398 | 398 | // TODO: return an Option instead? |
|
399 | 399 | panic!("Accessing v1_state of an untracked DirstateEntry") |
|
400 | 400 | } |
|
401 | 401 | if self.removed() { |
|
402 | 402 | EntryState::Removed |
|
403 | 403 | } else if self |
|
404 | 404 | .flags |
|
405 | 405 | .contains(Flags::WDIR_TRACKED | Flags::P1_TRACKED | Flags::P2_INFO) |
|
406 | 406 | { |
|
407 | 407 | EntryState::Merged |
|
408 | 408 | } else if self.added() { |
|
409 | 409 | EntryState::Added |
|
410 | 410 | } else { |
|
411 | 411 | EntryState::Normal |
|
412 | 412 | } |
|
413 | 413 | } |
|
414 | 414 | |
|
415 | 415 | fn v1_mode(&self) -> i32 { |
|
416 | 416 | if let Some((mode, _size)) = self.mode_size { |
|
417 | 417 | i32::try_from(mode).unwrap() |
|
418 | 418 | } else { |
|
419 | 419 | 0 |
|
420 | 420 | } |
|
421 | 421 | } |
|
422 | 422 | |
|
423 | 423 | fn v1_size(&self) -> i32 { |
|
424 | 424 | if !self.any_tracked() { |
|
425 | 425 | // TODO: return an Option instead? |
|
426 | 426 | panic!("Accessing v1_size of an untracked DirstateEntry") |
|
427 | 427 | } |
|
428 | 428 | if self.removed() |
|
429 | 429 | && self.flags.contains(Flags::P1_TRACKED | Flags::P2_INFO) |
|
430 | 430 | { |
|
431 | 431 | SIZE_NON_NORMAL |
|
432 | 432 | } else if self.flags.contains(Flags::P2_INFO) { |
|
433 | 433 | SIZE_FROM_OTHER_PARENT |
|
434 | 434 | } else if self.removed() { |
|
435 | 435 | 0 |
|
436 | 436 | } else if self.added() { |
|
437 | 437 | SIZE_NON_NORMAL |
|
438 | 438 | } else if let Some((_mode, size)) = self.mode_size { |
|
439 | 439 | i32::try_from(size).unwrap() |
|
440 | 440 | } else { |
|
441 | 441 | SIZE_NON_NORMAL |
|
442 | 442 | } |
|
443 | 443 | } |
|
444 | 444 | |
|
445 | 445 | fn v1_mtime(&self) -> i32 { |
|
446 | 446 | if !self.any_tracked() { |
|
447 | 447 | // TODO: return an Option instead? |
|
448 | 448 | panic!("Accessing v1_mtime of an untracked DirstateEntry") |
|
449 | 449 | } |
|
450 | 450 | if self.removed() { |
|
451 | 451 | 0 |
|
452 | 452 | } else if self.flags.contains(Flags::P2_INFO) { |
|
453 | 453 | MTIME_UNSET |
|
454 | 454 | } else if !self.flags.contains(Flags::P1_TRACKED) { |
|
455 | 455 | MTIME_UNSET |
|
456 | 456 | } else if let Some(mtime) = self.mtime { |
|
457 | i32::try_from(mtime.truncated_seconds()).unwrap() | |
|
457 | if mtime.second_ambiguous { | |
|
458 | MTIME_UNSET | |
|
459 | } else { | |
|
460 | i32::try_from(mtime.truncated_seconds()).unwrap() | |
|
461 | } | |
|
458 | 462 | } else { |
|
459 | 463 | MTIME_UNSET |
|
460 | 464 | } |
|
461 | 465 | } |
|
462 | 466 | |
|
463 | 467 | // TODO: return `Option<EntryState>`? None when `!self.any_tracked` |
|
464 | 468 | pub fn state(&self) -> EntryState { |
|
465 | 469 | self.v1_state() |
|
466 | 470 | } |
|
467 | 471 | |
|
468 | 472 | // TODO: return Option? |
|
469 | 473 | pub fn mode(&self) -> i32 { |
|
470 | 474 | self.v1_mode() |
|
471 | 475 | } |
|
472 | 476 | |
|
473 | 477 | // TODO: return Option? |
|
474 | 478 | pub fn size(&self) -> i32 { |
|
475 | 479 | self.v1_size() |
|
476 | 480 | } |
|
477 | 481 | |
|
478 | 482 | // TODO: return Option? |
|
479 | 483 | pub fn mtime(&self) -> i32 { |
|
480 | 484 | self.v1_mtime() |
|
481 | 485 | } |
|
482 | 486 | |
|
483 | 487 | pub fn get_fallback_exec(&self) -> Option<bool> { |
|
484 | 488 | if self.flags.contains(Flags::HAS_FALLBACK_EXEC) { |
|
485 | 489 | Some(self.flags.contains(Flags::FALLBACK_EXEC)) |
|
486 | 490 | } else { |
|
487 | 491 | None |
|
488 | 492 | } |
|
489 | 493 | } |
|
490 | 494 | |
|
491 | 495 | pub fn set_fallback_exec(&mut self, value: Option<bool>) { |
|
492 | 496 | match value { |
|
493 | 497 | None => { |
|
494 | 498 | self.flags.remove(Flags::HAS_FALLBACK_EXEC); |
|
495 | 499 | self.flags.remove(Flags::FALLBACK_EXEC); |
|
496 | 500 | } |
|
497 | 501 | Some(exec) => { |
|
498 | 502 | self.flags.insert(Flags::HAS_FALLBACK_EXEC); |
|
499 | 503 | if exec { |
|
500 | 504 | self.flags.insert(Flags::FALLBACK_EXEC); |
|
501 | 505 | } |
|
502 | 506 | } |
|
503 | 507 | } |
|
504 | 508 | } |
|
505 | 509 | |
|
506 | 510 | pub fn get_fallback_symlink(&self) -> Option<bool> { |
|
507 | 511 | if self.flags.contains(Flags::HAS_FALLBACK_SYMLINK) { |
|
508 | 512 | Some(self.flags.contains(Flags::FALLBACK_SYMLINK)) |
|
509 | 513 | } else { |
|
510 | 514 | None |
|
511 | 515 | } |
|
512 | 516 | } |
|
513 | 517 | |
|
514 | 518 | pub fn set_fallback_symlink(&mut self, value: Option<bool>) { |
|
515 | 519 | match value { |
|
516 | 520 | None => { |
|
517 | 521 | self.flags.remove(Flags::HAS_FALLBACK_SYMLINK); |
|
518 | 522 | self.flags.remove(Flags::FALLBACK_SYMLINK); |
|
519 | 523 | } |
|
520 | 524 | Some(symlink) => { |
|
521 | 525 | self.flags.insert(Flags::HAS_FALLBACK_SYMLINK); |
|
522 | 526 | if symlink { |
|
523 | 527 | self.flags.insert(Flags::FALLBACK_SYMLINK); |
|
524 | 528 | } |
|
525 | 529 | } |
|
526 | 530 | } |
|
527 | 531 | } |
|
528 | 532 | |
|
529 | 533 | pub fn truncated_mtime(&self) -> Option<TruncatedTimestamp> { |
|
530 | 534 | self.mtime |
|
531 | 535 | } |
|
532 | 536 | |
|
533 | 537 | pub fn drop_merge_data(&mut self) { |
|
534 | 538 | if self.flags.contains(Flags::P2_INFO) { |
|
535 | 539 | self.flags.remove(Flags::P2_INFO); |
|
536 | 540 | self.mode_size = None; |
|
537 | 541 | self.mtime = None; |
|
538 | 542 | } |
|
539 | 543 | } |
|
540 | 544 | |
|
541 | 545 | pub fn set_possibly_dirty(&mut self) { |
|
542 | 546 | self.mtime = None |
|
543 | 547 | } |
|
544 | 548 | |
|
545 | 549 | pub fn set_clean( |
|
546 | 550 | &mut self, |
|
547 | 551 | mode: u32, |
|
548 | 552 | size: u32, |
|
549 | 553 | mtime: TruncatedTimestamp, |
|
550 | 554 | ) { |
|
551 | 555 | let size = size & RANGE_MASK_31BIT; |
|
552 | 556 | self.flags.insert(Flags::WDIR_TRACKED | Flags::P1_TRACKED); |
|
553 | 557 | self.mode_size = Some((mode, size)); |
|
554 | 558 | self.mtime = Some(mtime); |
|
555 | 559 | } |
|
556 | 560 | |
|
557 | 561 | pub fn set_tracked(&mut self) { |
|
558 | 562 | self.flags.insert(Flags::WDIR_TRACKED); |
|
559 | 563 | // `set_tracked` is replacing various `normallookup` call. So we mark |
|
560 | 564 | // the files as needing lookup |
|
561 | 565 | // |
|
562 | 566 | // Consider dropping this in the future in favor of something less |
|
563 | 567 | // broad. |
|
564 | 568 | self.mtime = None; |
|
565 | 569 | } |
|
566 | 570 | |
|
567 | 571 | pub fn set_untracked(&mut self) { |
|
568 | 572 | self.flags.remove(Flags::WDIR_TRACKED); |
|
569 | 573 | self.mode_size = None; |
|
570 | 574 | self.mtime = None; |
|
571 | 575 | } |
|
572 | 576 | |
|
573 | 577 | /// Returns `(state, mode, size, mtime)` for the puprose of serialization |
|
574 | 578 | /// in the dirstate-v1 format. |
|
575 | 579 | /// |
|
576 | 580 | /// This includes marker values such as `mtime == -1`. In the future we may |
|
577 | 581 | /// want to not represent these cases that way in memory, but serialization |
|
578 | 582 | /// will need to keep the same format. |
|
579 | 583 | pub fn v1_data(&self) -> (u8, i32, i32, i32) { |
|
580 | 584 | ( |
|
581 | 585 | self.v1_state().into(), |
|
582 | 586 | self.v1_mode(), |
|
583 | 587 | self.v1_size(), |
|
584 | 588 | self.v1_mtime(), |
|
585 | 589 | ) |
|
586 | 590 | } |
|
587 | 591 | |
|
588 | 592 | pub(crate) fn is_from_other_parent(&self) -> bool { |
|
589 | 593 | self.state() == EntryState::Normal |
|
590 | 594 | && self.size() == SIZE_FROM_OTHER_PARENT |
|
591 | 595 | } |
|
592 | 596 | |
|
593 | 597 | // TODO: other platforms |
|
594 | 598 | #[cfg(unix)] |
|
595 | 599 | pub fn mode_changed( |
|
596 | 600 | &self, |
|
597 | 601 | filesystem_metadata: &std::fs::Metadata, |
|
598 | 602 | ) -> bool { |
|
599 | 603 | let dirstate_exec_bit = (self.mode() as u32 & EXEC_BIT_MASK) != 0; |
|
600 | 604 | let fs_exec_bit = has_exec_bit(filesystem_metadata); |
|
601 | 605 | dirstate_exec_bit != fs_exec_bit |
|
602 | 606 | } |
|
603 | 607 | |
|
604 | 608 | /// Returns a `(state, mode, size, mtime)` tuple as for |
|
605 | 609 | /// `DirstateMapMethods::debug_iter`. |
|
606 | 610 | pub fn debug_tuple(&self) -> (u8, i32, i32, i32) { |
|
607 | 611 | (self.state().into(), self.mode(), self.size(), self.mtime()) |
|
608 | 612 | } |
|
609 | 613 | } |
|
610 | 614 | |
|
611 | 615 | impl EntryState { |
|
612 | 616 | pub fn is_tracked(self) -> bool { |
|
613 | 617 | use EntryState::*; |
|
614 | 618 | match self { |
|
615 | 619 | Normal | Added | Merged => true, |
|
616 | 620 | Removed => false, |
|
617 | 621 | } |
|
618 | 622 | } |
|
619 | 623 | } |
|
620 | 624 | |
|
621 | 625 | impl TryFrom<u8> for EntryState { |
|
622 | 626 | type Error = HgError; |
|
623 | 627 | |
|
624 | 628 | fn try_from(value: u8) -> Result<Self, Self::Error> { |
|
625 | 629 | match value { |
|
626 | 630 | b'n' => Ok(EntryState::Normal), |
|
627 | 631 | b'a' => Ok(EntryState::Added), |
|
628 | 632 | b'r' => Ok(EntryState::Removed), |
|
629 | 633 | b'm' => Ok(EntryState::Merged), |
|
630 | 634 | _ => Err(HgError::CorruptedRepository(format!( |
|
631 | 635 | "Incorrect dirstate entry state {}", |
|
632 | 636 | value |
|
633 | 637 | ))), |
|
634 | 638 | } |
|
635 | 639 | } |
|
636 | 640 | } |
|
637 | 641 | |
|
638 | 642 | impl Into<u8> for EntryState { |
|
639 | 643 | fn into(self) -> u8 { |
|
640 | 644 | match self { |
|
641 | 645 | EntryState::Normal => b'n', |
|
642 | 646 | EntryState::Added => b'a', |
|
643 | 647 | EntryState::Removed => b'r', |
|
644 | 648 | EntryState::Merged => b'm', |
|
645 | 649 | } |
|
646 | 650 | } |
|
647 | 651 | } |
|
648 | 652 | |
|
649 | 653 | const EXEC_BIT_MASK: u32 = 0o100; |
|
650 | 654 | |
|
651 | 655 | pub fn has_exec_bit(metadata: &std::fs::Metadata) -> bool { |
|
652 | 656 | // TODO: How to handle executable permissions on Windows? |
|
653 | 657 | use std::os::unix::fs::MetadataExt; |
|
654 | 658 | (metadata.mode() & EXEC_BIT_MASK) != 0 |
|
655 | 659 | } |
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