Mercurial > hg
annotate hgext/narrow/narrowrepo.py @ 36297:a59ff82154b8
httppeer: headers are native strings
# skip-blame just marking some native strings
Differential Revision: https://phab.mercurial-scm.org/D2313
author | Augie Fackler <augie@google.com> |
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date | Sun, 18 Feb 2018 00:03:39 -0500 |
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1 # narrowrepo.py - repository which supports narrow revlogs, lazy loading |
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2 # |
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3 # Copyright 2017 Google, Inc. |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 from mercurial import ( |
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11 bundlerepo, |
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12 hg, |
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13 localrepo, |
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14 match as matchmod, |
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15 narrowspec, |
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16 scmutil, |
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17 ) |
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18 |
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19 from . import ( |
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20 narrowrevlog, |
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21 ) |
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22 |
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23 # When narrowing is finalized and no longer subject to format changes, |
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24 # we should move this to just "narrow" or similar. |
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25 REQUIREMENT = 'narrowhg-experimental' |
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26 |
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27 def wrappostshare(orig, sourcerepo, destrepo, **kwargs): |
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28 orig(sourcerepo, destrepo, **kwargs) |
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29 if REQUIREMENT in sourcerepo.requirements: |
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30 with destrepo.wlock(): |
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31 with destrepo.vfs('shared', 'a') as fp: |
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32 fp.write(narrowspec.FILENAME + '\n') |
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33 |
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34 def unsharenarrowspec(orig, ui, repo, repopath): |
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35 if (REQUIREMENT in repo.requirements |
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36 and repo.path == repopath and repo.shared()): |
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37 srcrepo = hg.sharedreposource(repo) |
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38 with srcrepo.vfs(narrowspec.FILENAME) as f: |
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39 spec = f.read() |
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40 with repo.vfs(narrowspec.FILENAME, 'w') as f: |
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41 f.write(spec) |
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42 return orig(ui, repo, repopath) |
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43 |
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44 def wraprepo(repo, opts_narrow): |
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45 """Enables narrow clone functionality on a single local repository.""" |
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46 |
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47 cacheprop = localrepo.storecache |
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48 if isinstance(repo, bundlerepo.bundlerepository): |
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49 # We have to use a different caching property decorator for |
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50 # bundlerepo because storecache blows up in strange ways on a |
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51 # bundlerepo. Fortunately, there's no risk of data changing in |
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52 # a bundlerepo. |
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53 cacheprop = lambda name: localrepo.unfilteredpropertycache |
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54 |
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55 class narrowrepository(repo.__class__): |
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56 |
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57 def _constructmanifest(self): |
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58 manifest = super(narrowrepository, self)._constructmanifest() |
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59 narrowrevlog.makenarrowmanifestrevlog(manifest, repo) |
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60 return manifest |
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61 |
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62 @cacheprop('00manifest.i') |
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63 def manifestlog(self): |
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64 mfl = super(narrowrepository, self).manifestlog |
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65 narrowrevlog.makenarrowmanifestlog(mfl, self) |
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66 return mfl |
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67 |
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68 def file(self, f): |
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69 fl = super(narrowrepository, self).file(f) |
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70 narrowrevlog.makenarrowfilelog(fl, self.narrowmatch()) |
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71 return fl |
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72 |
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73 @localrepo.repofilecache(narrowspec.FILENAME) |
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74 def narrowpats(self): |
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75 """matcher patterns for this repository's narrowspec |
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76 |
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77 A tuple of (includes, excludes). |
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78 """ |
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79 return narrowspec.load(self) |
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80 |
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81 @localrepo.repofilecache(narrowspec.FILENAME) |
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82 def _narrowmatch(self): |
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83 include, exclude = self.narrowpats |
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84 if not opts_narrow and not include and not exclude: |
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85 return matchmod.always(self.root, '') |
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86 return narrowspec.match(self.root, include=include, exclude=exclude) |
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87 |
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88 # TODO(martinvonz): make this property-like instead? |
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89 def narrowmatch(self): |
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90 return self._narrowmatch |
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91 |
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92 def setnarrowpats(self, newincludes, newexcludes): |
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93 narrowspec.save(self, newincludes, newexcludes) |
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94 self.invalidate(clearfilecache=True) |
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95 |
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96 # I'm not sure this is the right place to do this filter. |
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97 # context._manifestmatches() would probably be better, or perhaps |
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98 # move it to a later place, in case some of the callers do want to know |
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99 # which directories changed. This seems to work for now, though. |
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100 def status(self, *args, **kwargs): |
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101 s = super(narrowrepository, self).status(*args, **kwargs) |
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102 narrowmatch = self.narrowmatch() |
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103 modified = list(filter(narrowmatch, s.modified)) |
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104 added = list(filter(narrowmatch, s.added)) |
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105 removed = list(filter(narrowmatch, s.removed)) |
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106 deleted = list(filter(narrowmatch, s.deleted)) |
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107 unknown = list(filter(narrowmatch, s.unknown)) |
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108 ignored = list(filter(narrowmatch, s.ignored)) |
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109 clean = list(filter(narrowmatch, s.clean)) |
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110 return scmutil.status(modified, added, removed, deleted, unknown, |
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narrow: import experimental extension from narrowhg revision cb51d673e9c5
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parents:
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changeset
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111 ignored, clean) |
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Augie Fackler <augie@google.com>
parents:
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112 |
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parents:
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113 repo.__class__ = narrowrepository |