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1 | 1 | # narrowrepo.py - repository which supports narrow revlogs, lazy loading |
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2 | 2 | # |
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3 | 3 | # Copyright 2017 Google, Inc. |
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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 | from mercurial import ( |
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11 | 11 | bundlerepo, |
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12 | 12 | localrepo, |
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13 | 13 | match as matchmod, |
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14 | 14 | scmutil, |
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15 | 15 | ) |
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16 | 16 | |
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17 | 17 | from .. import ( |
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18 | 18 | share, |
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19 | 19 | ) |
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20 | 20 | |
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21 | 21 | from . import ( |
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22 | 22 | narrowrevlog, |
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23 | 23 | narrowspec, |
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24 | 24 | ) |
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25 | 25 | |
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26 | 26 | # When narrowing is finalized and no longer subject to format changes, |
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27 | 27 | # we should move this to just "narrow" or similar. |
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28 | 28 | REQUIREMENT = 'narrowhg-experimental' |
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29 | 29 | |
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30 | 30 | def wrappostshare(orig, sourcerepo, destrepo, **kwargs): |
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31 | 31 | orig(sourcerepo, destrepo, **kwargs) |
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32 | 32 | if REQUIREMENT in sourcerepo.requirements: |
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33 | 33 | with destrepo.wlock(): |
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34 | 34 | with destrepo.vfs('shared', 'a') as fp: |
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35 | 35 | fp.write(narrowspec.FILENAME + '\n') |
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36 | 36 | |
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37 | 37 | def unsharenarrowspec(orig, ui, repo, repopath): |
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38 | 38 | if (REQUIREMENT in repo.requirements |
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39 | 39 | and repo.path == repopath and repo.shared()): |
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40 | 40 | srcrepo = share._getsrcrepo(repo) |
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41 | 41 | with srcrepo.vfs(narrowspec.FILENAME) as f: |
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42 | 42 | spec = f.read() |
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43 | 43 | with repo.vfs(narrowspec.FILENAME, 'w') as f: |
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44 | 44 | f.write(spec) |
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45 | 45 | return orig(ui, repo, repopath) |
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46 | 46 | |
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47 | 47 | def wraprepo(repo, opts_narrow): |
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48 | 48 | """Enables narrow clone functionality on a single local repository.""" |
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49 | 49 | |
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50 | 50 | cacheprop = localrepo.storecache |
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51 | 51 | if isinstance(repo, bundlerepo.bundlerepository): |
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52 | 52 | # We have to use a different caching property decorator for |
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53 | 53 | # bundlerepo because storecache blows up in strange ways on a |
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54 | 54 | # bundlerepo. Fortunately, there's no risk of data changing in |
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55 | 55 | # a bundlerepo. |
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56 | 56 | cacheprop = lambda name: localrepo.unfilteredpropertycache |
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57 | 57 | |
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58 | 58 | class narrowrepository(repo.__class__): |
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59 | 59 | |
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60 | 60 | def _constructmanifest(self): |
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61 | 61 | manifest = super(narrowrepository, self)._constructmanifest() |
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62 | 62 | narrowrevlog.makenarrowmanifestrevlog(manifest, repo) |
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63 | 63 | return manifest |
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64 | 64 | |
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65 | 65 | @cacheprop('00manifest.i') |
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66 | 66 | def manifestlog(self): |
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67 | 67 | mfl = super(narrowrepository, self).manifestlog |
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68 | 68 | narrowrevlog.makenarrowmanifestlog(mfl, self) |
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69 | 69 | return mfl |
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70 | 70 | |
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71 | 71 | def file(self, f): |
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72 | 72 | fl = super(narrowrepository, self).file(f) |
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73 | 73 | narrowrevlog.makenarrowfilelog(fl, self.narrowmatch()) |
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74 | 74 | return fl |
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75 | 75 | |
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76 | 76 | @localrepo.repofilecache(narrowspec.FILENAME) |
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77 | 77 | def narrowpats(self): |
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78 | 78 | """matcher patterns for this repository's narrowspec |
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79 | 79 | |
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80 | 80 | A tuple of (includes, excludes). |
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81 | 81 | """ |
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82 | 82 | return narrowspec.load(self) |
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83 | 83 | |
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84 | 84 | @localrepo.repofilecache(narrowspec.FILENAME) |
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85 | 85 | def _narrowmatch(self): |
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86 | 86 | include, exclude = self.narrowpats |
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87 | 87 | if not opts_narrow and not include and not exclude: |
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88 | 88 | return matchmod.always(self.root, '') |
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89 | 89 | return narrowspec.match(self.root, include=include, exclude=exclude) |
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90 | 90 | |
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91 | 91 | # TODO(martinvonz): make this property-like instead? |
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92 | 92 | def narrowmatch(self): |
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93 | 93 | return self._narrowmatch |
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94 | 94 | |
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95 | 95 | def setnarrowpats(self, newincludes, newexcludes): |
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96 | 96 | narrowspec.save(self, newincludes, newexcludes) |
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97 | 97 | self.invalidate(clearfilecache=True) |
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98 | 98 | |
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99 | 99 | # I'm not sure this is the right place to do this filter. |
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100 | 100 | # context._manifestmatches() would probably be better, or perhaps |
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101 | 101 | # move it to a later place, in case some of the callers do want to know |
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102 | 102 | # which directories changed. This seems to work for now, though. |
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103 | 103 | def status(self, *args, **kwargs): |
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104 | 104 | s = super(narrowrepository, self).status(*args, **kwargs) |
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105 | 105 | narrowmatch = self.narrowmatch() |
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106 | modified = filter(narrowmatch, s.modified) | |
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107 | added = filter(narrowmatch, s.added) | |
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108 | removed = filter(narrowmatch, s.removed) | |
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109 | deleted = filter(narrowmatch, s.deleted) | |
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110 | unknown = filter(narrowmatch, s.unknown) | |
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111 | ignored = filter(narrowmatch, s.ignored) | |
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112 | clean = filter(narrowmatch, s.clean) | |
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106 | modified = list(filter(narrowmatch, s.modified)) | |
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107 | added = list(filter(narrowmatch, s.added)) | |
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108 | removed = list(filter(narrowmatch, s.removed)) | |
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109 | deleted = list(filter(narrowmatch, s.deleted)) | |
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110 | unknown = list(filter(narrowmatch, s.unknown)) | |
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111 | ignored = list(filter(narrowmatch, s.ignored)) | |
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112 | clean = list(filter(narrowmatch, s.clean)) | |
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113 | 113 | return scmutil.status(modified, added, removed, deleted, unknown, |
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114 | 114 | ignored, clean) |
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115 | 115 | |
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116 | 116 | repo.__class__ = narrowrepository |
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