36
36
class GitRevisionTree(revisiontree.RevisionTree):
37
"""Revision tree implementation based on Git objects."""
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def __init__(self, repository, revision_id):
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self._revision_id = revision_id
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self._repository = repository
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store = repository._git.object_store
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assert isinstance(revision_id, str)
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git_id, self.mapping = repository.lookup_git_revid(revision_id)
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git_id, self.mapping = repository.lookup_bzr_revision_id(revision_id)
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commit = store[git_id]
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47
except KeyError, r:
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raise errors.NoSuchRevision(repository, revision_id)
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self.tree = commit.tree
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self._inventory = GitInventory(self.tree, self.mapping, store,
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fileid_map = self.mapping.get_fileid_map(store.__getitem__, self.tree)
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self._inventory = GitInventory(self.tree, self.mapping, fileid_map,
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def get_revision_id(self):
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"""See RevisionTree.get_revision_id."""
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return self._revision_id
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def get_file_text(self, file_id, path=None):
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"""See RevisionTree.get_file_text."""
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if path is not None:
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entry = self._inventory._get_ie(path)
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entry = self._inventory[file_id]
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if entry.kind == 'directory': return ""
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if entry.kind in ('directory', 'tree-reference'):
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return entry.object.data
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def tree_delta_from_git_changes(changes, mapping, specific_file=None,
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require_versioned=False):
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def tree_delta_from_git_changes(changes, mapping,
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(old_fileid_map, new_fileid_map), specific_file=None,
71
require_versioned=False):
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"""Create a TreeDelta from two git trees.
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source and target are iterators over tuples with:
74
source and target are iterators over tuples with:
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(filename, sha, mode)
71
77
ret = delta.TreeDelta()
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for (oldpath, newpath), (oldmode, newmode), (oldsha, newsha) in changes:
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if mapping.is_control_file(oldpath):
81
if mapping.is_control_file(newpath):
83
if oldpath is None and newpath is None:
73
85
if oldpath is None:
74
ret.added.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode)))
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ret.added.append((newpath, new_fileid_map.lookup_file_id(newpath.encode("utf-8")), mode_kind(newmode)))
75
87
elif newpath is None:
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ret.removed.append((oldpath, mapping.generate_file_id(oldpath), mode_kind(oldmode)))
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ret.removed.append((oldpath, old_fileid_map.lookup_file_id(oldpath.encode("utf-8")), mode_kind(oldmode)))
77
89
elif oldpath != newpath:
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ret.renamed.append((oldpath, newpath, mapping.generate_file_id(oldpath), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
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ret.renamed.append((oldpath, newpath, old_fileid_map.lookup_file_id(oldpath.encode("utf-8")), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
79
91
elif mode_kind(oldmode) != mode_kind(newmode):
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ret.kind_changed.append((newpath, mapping.generate_file_id(newpath), mode_kind(oldmode), mode_kind(newmode)))
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ret.kind_changed.append((newpath, new_fileid_map.lookup_file_id(newpath.encode("utf-8")), mode_kind(oldmode), mode_kind(newmode)))
81
93
elif oldsha != newsha or oldmode != newmode:
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ret.modified.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
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ret.modified.append((newpath, new_fileid_map.lookup_file_id(newpath.encode("utf-8")), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
84
ret.unchanged.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode)))
96
ret.unchanged.append((newpath, new_fileid_map.lookup_file_id(newpath.encode("utf-8")), mode_kind(newmode)))
88
def changes_from_git_changes(changes, mapping, specific_file=None,
100
def changes_from_git_changes(changes, mapping, specific_file=None,
89
101
require_versioned=False):
90
102
"""Create a iter_changes-like generator from a git stream.
92
source and target are iterators over tuples with:
104
source and target are iterators over tuples with:
93
105
(filename, sha, mode)
95
107
for (oldpath, newpath), (oldmode, newmode), (oldsha, newsha) in changes:
126
138
newname = newpath
128
140
newparent = mapping.generate_file_id(newparentpath)
129
yield fileid, (oldpath, newpath), (oldsha != newsha), (oldpath is not None, newpath is not None), (oldparent, newparent), (oldname, newname), (oldkind, newkind), (oldexe, newexe)
141
yield (fileid, (oldpath, newpath), (oldsha != newsha),
142
(oldpath is not None, newpath is not None),
143
(oldparent, newparent), (oldname, newname),
144
(oldkind, newkind), (oldexe, newexe))
132
147
class InterGitRevisionTrees(tree.InterTree):
133
148
"""InterTree that works between two git revision trees."""
150
_matching_from_tree_format = None
151
_matching_to_tree_format = None
152
_test_mutable_trees_to_test_trees = None
136
155
def is_compatible(cls, source, target):
137
return (isinstance(source, GitRevisionTree) and
156
return (isinstance(source, GitRevisionTree) and
138
157
isinstance(target, GitRevisionTree))
140
159
def compare(self, want_unchanged=False, specific_files=None,
144
163
raise AssertionError
145
164
changes = self.source._repository._git.object_store.tree_changes(
146
165
self.source.tree, self.target.tree, want_unchanged=want_unchanged)
147
return tree_delta_from_git_changes(changes, self.target.mapping,
166
source_fileid_map = self.source.mapping.get_fileid_map(
167
self.source._repository._git.object_store.__getitem__,
169
target_fileid_map = self.target.mapping.get_fileid_map(
170
self.target._repository._git.object_store.__getitem__,
172
return tree_delta_from_git_changes(changes, self.target.mapping,
173
(source_fileid_map, target_fileid_map),
148
174
specific_file=specific_files)
150
176
def iter_changes(self, include_unchanged=False, specific_files=None,
151
pb=None, extra_trees=[], require_versioned=True, want_unversioned=False):
177
pb=None, extra_trees=[], require_versioned=True,
178
want_unversioned=False):
152
179
if self.source._repository._git.object_store != self.target._repository._git.object_store:
153
180
raise AssertionError
154
181
changes = self.source._repository._git.object_store.tree_changes(
155
self.source.tree, self.target.tree,
182
self.source.tree, self.target.tree,
156
183
want_unchanged=include_unchanged)
157
return changes_from_git_changes(changes, self.target.mapping,
184
return changes_from_git_changes(changes, self.target.mapping,
158
185
specific_file=specific_files)