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@@ -1,121 +1,121 b'' | |||
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1 | 1 | # requirements.py - objects and functions related to repository requirements |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2007 Olivia Mackall <olivia@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | from __future__ import absolute_import |
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9 | 9 | |
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10 | 10 | # obsolete experimental requirements: |
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11 | 11 | # - manifestv2: An experimental new manifest format that allowed |
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12 | 12 | # for stem compression of long paths. Experiment ended up not |
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13 | 13 | # being successful (repository sizes went up due to worse delta |
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14 | 14 | # chains), and the code was deleted in 4.6. |
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15 | 15 | |
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16 | 16 | GENERALDELTA_REQUIREMENT = b'generaldelta' |
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17 | 17 | DOTENCODE_REQUIREMENT = b'dotencode' |
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18 | 18 | STORE_REQUIREMENT = b'store' |
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19 | 19 | FNCACHE_REQUIREMENT = b'fncache' |
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20 | 20 | |
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21 |
DIRSTATE_TRACKED_KEY_V1 = b' |
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21 | DIRSTATE_TRACKED_KEY_V1 = b'dirstate-tracked-key-v1' | |
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22 | 22 | DIRSTATE_V2_REQUIREMENT = b'dirstate-v2' |
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23 | 23 | |
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24 | 24 | # When narrowing is finalized and no longer subject to format changes, |
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25 | 25 | # we should move this to just "narrow" or similar. |
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26 | 26 | NARROW_REQUIREMENT = b'narrowhg-experimental' |
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27 | 27 | |
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28 | 28 | # Enables sparse working directory usage |
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29 | 29 | SPARSE_REQUIREMENT = b'exp-sparse' |
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30 | 30 | |
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31 | 31 | # Enables the internal phase which is used to hide changesets instead |
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32 | 32 | # of stripping them |
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33 | 33 | INTERNAL_PHASE_REQUIREMENT = b'internal-phase' |
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34 | 34 | |
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35 | 35 | # Stores manifest in Tree structure |
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36 | 36 | TREEMANIFEST_REQUIREMENT = b'treemanifest' |
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37 | 37 | |
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38 | 38 | REVLOGV1_REQUIREMENT = b'revlogv1' |
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39 | 39 | |
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40 | 40 | # allow using ZSTD as compression engine for revlog content |
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41 | 41 | REVLOG_COMPRESSION_ZSTD = b'revlog-compression-zstd' |
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42 | 42 | |
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43 | 43 | # Increment the sub-version when the revlog v2 format changes to lock out old |
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44 | 44 | # clients. |
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45 | 45 | CHANGELOGV2_REQUIREMENT = b'exp-changelog-v2' |
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46 | 46 | |
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47 | 47 | # Increment the sub-version when the revlog v2 format changes to lock out old |
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48 | 48 | # clients. |
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49 | 49 | REVLOGV2_REQUIREMENT = b'exp-revlogv2.2' |
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50 | 50 | |
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51 | 51 | # A repository with the sparserevlog feature will have delta chains that |
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52 | 52 | # can spread over a larger span. Sparse reading cuts these large spans into |
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53 | 53 | # pieces, so that each piece isn't too big. |
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54 | 54 | # Without the sparserevlog capability, reading from the repository could use |
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55 | 55 | # huge amounts of memory, because the whole span would be read at once, |
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56 | 56 | # including all the intermediate revisions that aren't pertinent for the chain. |
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57 | 57 | # This is why once a repository has enabled sparse-read, it becomes required. |
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58 | 58 | SPARSEREVLOG_REQUIREMENT = b'sparserevlog' |
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59 | 59 | |
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60 | 60 | # A repository with the the copies-sidedata-changeset requirement will store |
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61 | 61 | # copies related information in changeset's sidedata. |
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62 | 62 | COPIESSDC_REQUIREMENT = b'exp-copies-sidedata-changeset' |
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63 | 63 | |
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64 | 64 | # The repository use persistent nodemap for the changelog and the manifest. |
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65 | 65 | NODEMAP_REQUIREMENT = b'persistent-nodemap' |
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66 | 66 | |
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67 | 67 | # Denotes that the current repository is a share |
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68 | 68 | SHARED_REQUIREMENT = b'shared' |
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69 | 69 | |
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70 | 70 | # Denotes that current repository is a share and the shared source path is |
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71 | 71 | # relative to the current repository root path |
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72 | 72 | RELATIVE_SHARED_REQUIREMENT = b'relshared' |
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73 | 73 | |
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74 | 74 | # A repository with share implemented safely. The repository has different |
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75 | 75 | # store and working copy requirements i.e. both `.hg/requires` and |
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76 | 76 | # `.hg/store/requires` are present. |
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77 | 77 | SHARESAFE_REQUIREMENT = b'share-safe' |
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78 | 78 | |
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79 | 79 | # Bookmarks must be stored in the `store` part of the repository and will be |
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80 | 80 | # share accross shares |
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81 | 81 | BOOKMARKS_IN_STORE_REQUIREMENT = b'bookmarksinstore' |
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82 | 82 | |
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83 | 83 | # List of requirements which are working directory specific |
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84 | 84 | # These requirements cannot be shared between repositories if they |
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85 | 85 | # share the same store |
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86 | 86 | # * sparse is a working directory specific functionality and hence working |
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87 | 87 | # directory specific requirement |
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88 | 88 | # * SHARED_REQUIREMENT and RELATIVE_SHARED_REQUIREMENT are requirements which |
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89 | 89 | # represents that the current working copy/repository shares store of another |
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90 | 90 | # repo. Hence both of them should be stored in working copy |
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91 | 91 | # * SHARESAFE_REQUIREMENT needs to be stored in working dir to mark that rest of |
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92 | 92 | # the requirements are stored in store's requires |
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93 | 93 | # * DIRSTATE_V2_REQUIREMENT affects .hg/dirstate, of which there is one per |
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94 | 94 | # working directory. |
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95 | 95 | WORKING_DIR_REQUIREMENTS = { |
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96 | 96 | SPARSE_REQUIREMENT, |
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97 | 97 | SHARED_REQUIREMENT, |
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98 | 98 | RELATIVE_SHARED_REQUIREMENT, |
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99 | 99 | SHARESAFE_REQUIREMENT, |
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100 | 100 | DIRSTATE_TRACKED_KEY_V1, |
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101 | 101 | DIRSTATE_V2_REQUIREMENT, |
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102 | 102 | } |
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103 | 103 | |
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104 | 104 | # List of requirement that impact "stream-clone" (and hardlink clone) and |
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105 | 105 | # cannot be changed in such cases. |
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106 | 106 | # |
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107 | 107 | # requirements not in this list are safe to be altered during stream-clone. |
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108 | 108 | # |
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109 | 109 | # note: the list is currently inherited from previous code and miss some relevant requirement while containing some irrelevant ones. |
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110 | 110 | STREAM_FIXED_REQUIREMENTS = { |
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111 | 111 | BOOKMARKS_IN_STORE_REQUIREMENT, |
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112 | 112 | CHANGELOGV2_REQUIREMENT, |
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113 | 113 | COPIESSDC_REQUIREMENT, |
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114 | 114 | GENERALDELTA_REQUIREMENT, |
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115 | 115 | INTERNAL_PHASE_REQUIREMENT, |
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116 | 116 | REVLOG_COMPRESSION_ZSTD, |
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117 | 117 | REVLOGV1_REQUIREMENT, |
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118 | 118 | REVLOGV2_REQUIREMENT, |
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119 | 119 | SPARSEREVLOG_REQUIREMENT, |
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120 | 120 | TREEMANIFEST_REQUIREMENT, |
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121 | 121 | } |
@@ -1,204 +1,204 b'' | |||
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1 | 1 | ============================== |
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2 | 2 | Test the "tracked key" feature |
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3 | 3 | ============================== |
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4 | 4 | |
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5 | 5 | The tracked key feature provide a file that get updated when the set of tracked |
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6 | 6 | files get updated. |
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7 | 7 | |
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8 | 8 | basic setup |
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9 | 9 | |
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10 | 10 | $ cat << EOF >> $HGRCPATH |
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11 | 11 | > [format] |
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12 | 12 | > dirstate-tracked-key=yes |
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13 | 13 | > EOF |
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14 | 14 | |
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15 | 15 | $ hg init tracked-key-test |
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16 | 16 | $ cd tracked-key-test |
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17 | 17 | $ hg debugbuilddag '.+10' -n |
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18 | 18 | $ hg log -G -T '{rev} {desc} {files}\n' |
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19 | 19 | o 10 r10 nf10 |
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20 | 20 | | |
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21 | 21 | o 9 r9 nf9 |
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22 | 22 | | |
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23 | 23 | o 8 r8 nf8 |
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24 | 24 | | |
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25 | 25 | o 7 r7 nf7 |
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26 | 26 | | |
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27 | 27 | o 6 r6 nf6 |
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28 | 28 | | |
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29 | 29 | o 5 r5 nf5 |
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30 | 30 | | |
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31 | 31 | o 4 r4 nf4 |
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32 | 32 | | |
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33 | 33 | o 3 r3 nf3 |
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34 | 34 | | |
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35 | 35 | o 2 r2 nf2 |
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36 | 36 | | |
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37 | 37 | o 1 r1 nf1 |
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38 | 38 | | |
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39 | 39 | o 0 r0 nf0 |
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40 | 40 | |
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41 | 41 | $ hg up tip |
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42 | 42 | 11 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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43 | 43 | $ hg files |
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44 | 44 | nf0 |
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45 | 45 | nf1 |
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46 | 46 | nf10 |
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47 | 47 | nf2 |
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48 | 48 | nf3 |
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49 | 49 | nf4 |
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50 | 50 | nf5 |
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51 | 51 | nf6 |
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52 | 52 | nf7 |
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53 | 53 | nf8 |
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54 | 54 | nf9 |
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55 | 55 | |
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56 | 56 | key-file exists |
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57 | 57 | ----------- |
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58 | 58 | |
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59 | 59 | The tracked key file should exist |
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60 | 60 | |
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61 | 61 | $ ls -1 .hg/dirstate* |
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62 | 62 | .hg/dirstate |
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63 | 63 | .hg/dirstate-tracked-key |
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64 | 64 | |
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65 | 65 | key-file stay the same if the tracked set is unchanged |
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66 | 66 | ------------------------------------------------------ |
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67 | 67 | |
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68 | 68 | (copy its content for later comparison) |
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69 | 69 | |
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70 | 70 | $ cp .hg/dirstate-tracked-key ../key-bck |
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71 | 71 | $ echo foo >> nf0 |
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72 | 72 | $ sleep 1 |
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73 | 73 | $ hg status |
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74 | 74 | M nf0 |
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75 | 75 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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76 | 76 | $ hg revert -C nf0 |
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77 | 77 | $ sleep 1 |
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78 | 78 | $ hg status |
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79 | 79 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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80 | 80 | |
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81 | 81 | key-file change if the tracked set is changed manually |
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82 | 82 | ------------------------------------------------------ |
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83 | 83 | |
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84 | 84 | adding a file to tracking |
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85 | 85 | |
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86 | 86 | $ cp .hg/dirstate-tracked-key ../key-bck |
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87 | 87 | $ echo x > x |
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88 | 88 | $ hg add x |
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89 | 89 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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90 | 90 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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91 | 91 | [1] |
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92 | 92 | |
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93 | 93 | remove a file from tracking |
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94 | 94 | (forget) |
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95 | 95 | |
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96 | 96 | $ cp .hg/dirstate-tracked-key ../key-bck |
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97 | 97 | $ hg forget x |
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98 | 98 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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99 | 99 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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100 | 100 | [1] |
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101 | 101 | |
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102 | 102 | (remove) |
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103 | 103 | |
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104 | 104 | $ cp .hg/dirstate-tracked-key ../key-bck |
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105 | 105 | $ hg remove nf1 |
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106 | 106 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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107 | 107 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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108 | 108 | [1] |
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109 | 109 | |
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110 | 110 | key-file changes on revert (when applicable) |
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111 | 111 | -------------------------------------------- |
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112 | 112 | |
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113 | 113 | $ cp .hg/dirstate-tracked-key ../key-bck |
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114 | 114 | $ hg status |
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115 | 115 | R nf1 |
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116 | 116 | ? x |
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117 | 117 | $ hg revert --all |
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118 | 118 | undeleting nf1 |
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119 | 119 | $ hg status |
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120 | 120 | ? x |
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121 | 121 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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122 | 122 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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123 | 123 | [1] |
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124 | 124 | |
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125 | 125 | |
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126 | 126 | `hg update` does affect the key-file (when needed) |
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127 | 127 | -------------------------------------------------- |
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128 | 128 | |
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129 | 129 | update changing the tracked set |
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130 | 130 | |
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131 | 131 | (removing) |
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132 | 132 | |
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133 | 133 | $ cp .hg/dirstate-tracked-key ../key-bck |
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134 | 134 | $ hg status --rev . --rev '.#generations[-1]' |
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135 | 135 | R nf10 |
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136 | 136 | $ hg up '.#generations[-1]' |
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137 | 137 | 0 files updated, 0 files merged, 1 files removed, 0 files unresolved |
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138 | 138 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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139 | 139 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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140 | 140 | [1] |
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141 | 141 | |
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142 | 142 | (adding) |
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143 | 143 | |
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144 | 144 | $ cp .hg/dirstate-tracked-key ../key-bck |
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145 | 145 | $ hg status --rev . --rev '.#generations[1]' |
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146 | 146 | A nf10 |
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147 | 147 | $ hg up '.#generations[1]' |
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148 | 148 | 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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149 | 149 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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150 | 150 | Files .hg/dirstate-tracked-key and ../key-bck differ |
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151 | 151 | [1] |
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152 | 152 | |
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153 | 153 | update not affecting the tracked set |
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154 | 154 | |
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155 | 155 | $ echo foo >> nf0 |
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156 | 156 | $ hg commit -m foo |
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157 | 157 | |
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158 | 158 | $ cp .hg/dirstate-tracked-key ../key-bck |
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159 | 159 | $ hg status --rev . --rev '.#generations[-1]' |
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160 | 160 | M nf0 |
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161 | 161 | $ hg up '.#generations[-1]' |
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162 | 162 | 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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163 | 163 | $ diff --brief .hg/dirstate-tracked-key ../key-bck |
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164 | 164 | |
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165 | 165 | Test upgrade and downgrade |
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166 | 166 | ========================== |
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167 | 167 | |
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168 | 168 | $ ls .hg/dirstate-tracked-key |
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169 | 169 | .hg/dirstate-tracked-key |
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170 | 170 | $ hg debugrequires | grep 'tracked' |
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171 |
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171 | dirstate-tracked-key-v1 | |
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172 | 172 | |
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173 | 173 | downgrade |
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174 | 174 | |
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175 | 175 | $ hg debugupgraderepo --config format.dirstate-tracked-key=no --run --quiet |
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176 | 176 | upgrade will perform the following actions: |
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177 | 177 | |
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178 | 178 | requirements |
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179 | 179 | preserved: * (glob) |
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180 |
removed: |
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180 | removed: dirstate-tracked-key-v1 | |
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181 | 181 | |
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182 | 182 | no revlogs to process |
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183 | 183 | |
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184 | 184 | $ ls -1 .hg/dirstate-tracked-key |
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185 | 185 | ls: cannot access '.hg/dirstate-tracked-key': $ENOENT$ |
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186 | 186 | [2] |
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187 | 187 | $ hg debugrequires | grep 'tracked' |
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188 | 188 | [1] |
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189 | 189 | |
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190 | 190 | upgrade |
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191 | 191 | |
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192 | 192 | $ hg debugupgraderepo --config format.dirstate-tracked-key=yes --run --quiet |
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193 | 193 | upgrade will perform the following actions: |
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194 | 194 | |
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195 | 195 | requirements |
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196 | 196 | preserved: * (glob) |
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197 |
added: |
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197 | added: dirstate-tracked-key-v1 | |
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198 | 198 | |
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199 | 199 | no revlogs to process |
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200 | 200 | |
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201 | 201 | $ ls -1 .hg/dirstate-tracked-key |
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202 | 202 | .hg/dirstate-tracked-key |
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203 | 203 | $ hg debugrequires | grep 'tracked' |
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204 |
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204 | dirstate-tracked-key-v1 |
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