Mercurial > hgsubversion
annotate hgsubversion/layouts/standard.py @ 1029:513f2b607b06
layouts: pull out logic for splitting svn paths into branch and local parts
There is a single method on svnmeta that is responsible for both
splitting a subversion path into a local component, which specifies a
path relative to the mercurial root, and a branch component, which
specifies the path to the root of a subversion branch, and translating
that branch path into a mercurial branch name.
This pulls the logic for doing the path splitting into a layout object
method that *only* splits the path, and changes the svnmeta to call
the layout objects's localname method to do the subversion branch path
to mercurial branch name translation.
author | David Schleimer <dschleimer@fb.com> |
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date | Wed, 05 Jun 2013 11:06:34 -0700 |
parents | 16045f6f3fef |
children | 80a456b77ade |
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1 import os.path |
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2 import pickle |
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3 |
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4 import base |
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5 import hgsubversion.util as util |
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6 |
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7 class StandardLayout(base.BaseLayout): |
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8 """The standard trunk, branches, tags layout""" |
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9 |
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10 def __init__(self, ui): |
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11 base.BaseLayout.__init__(self, ui) |
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12 |
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13 self._tag_locations = None |
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14 |
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15 def localname(self, path): |
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16 if path == 'trunk': |
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17 return None |
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18 elif path.startswith('branches/'): |
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19 return path[len('branches/'):] |
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20 return '../%s' % path |
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21 |
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22 def remotename(self, branch): |
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23 if branch == 'default' or branch is None: |
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24 return 'trunk' |
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25 elif branch.startswith('../'): |
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26 return branch[3:] |
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27 return 'branches/%s' % branch |
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28 |
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29 def remotepath(self, branch, subdir='/'): |
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30 branchpath = 'trunk' |
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31 if branch: |
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32 if branch.startswith('../'): |
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33 branchpath = branch[3:] |
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34 else: |
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35 branchpath = 'branches/%s' % branch |
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36 |
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37 return '%s/%s' % (subdir or '', branchpath) |
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38 |
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39 def taglocations(self, meta_data_dir): |
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40 if self._tag_locations is None: |
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41 |
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42 tag_locations_file = os.path.join(meta_data_dir, 'tag_locations') |
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43 |
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44 if os.path.exists(tag_locations_file): |
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45 f = open(tag_locations_file) |
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46 self._tag_locations = pickle.load(f) |
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47 f.close() |
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48 else: |
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49 self._tag_locations = self.ui.configlist('hgsubversion', |
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50 'tagpaths', |
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51 ['tags']) |
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52 util.pickle_atomic(self._tag_locations, tag_locations_file) |
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53 |
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54 # ensure nested paths are handled properly |
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55 self._tag_locations.sort() |
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56 self._tag_locations.reverse() |
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57 |
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58 return self._tag_locations |
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59 |
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60 def get_path_tag(self, path, taglocations): |
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61 for tagspath in taglocations: |
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62 if path.startswith(tagspath + '/'): |
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63 tag = path[len(tagspath) + 1:] |
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64 if tag: |
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65 return tag |
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66 return None |
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67 |
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68 def split_remote_name(self, path, known_branches): |
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69 |
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70 # this odd evolution is how we deal with people doing things like |
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71 # creating brances (note the typo), committing to a branch under it, |
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72 # and then moving it to branches |
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73 |
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74 # we need to find the ../foo branch names, if they exist, before |
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75 # trying to create a normally-named branch |
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76 |
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77 components = path.split('/') |
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78 candidate = '' |
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79 while self.localname(candidate) not in known_branches and components: |
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80 if not candidate: |
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81 candidate = components.pop(0) |
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82 else: |
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83 candidate += '/' |
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84 candidate += components.pop(0) |
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85 if self.localname(candidate) in known_branches: |
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86 return candidate, '/'.join(components) |
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87 |
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88 if path == 'trunk' or path.startswith('trunk/'): |
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89 branch_path = 'trunk' |
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90 local_path = '/'.join(path.split('/')[1:]) |
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91 elif path.startswith('branches/'): |
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92 components = path.split('/') |
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93 branch_path = '/'.join(components[:2]) |
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94 local_path = '/'.join(components[2:]) |
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95 else: |
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96 components = path.split('/') |
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97 branch_path = '/'.join(components[:-1]) |
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98 local_path = components[-1] |
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99 return branch_path, local_path |