1
# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27
from bzrlib.plugins.git.inventory import (
30
from bzrlib.plugins.git.mapping import (
36
class GitRevisionTree(revisiontree.RevisionTree):
38
def __init__(self, repository, revision_id):
39
self._revision_id = revision_id
40
self._repository = repository
41
store = repository._git.object_store
42
assert isinstance(revision_id, str)
43
git_id, self.mapping = repository.lookup_bzr_revision_id(revision_id)
45
commit = store[git_id]
47
raise errors.NoSuchRevision(repository, revision_id)
48
self.tree = commit.tree
49
self._inventory = GitInventory(self.tree, self.mapping, store,
52
def get_revision_id(self):
53
return self._revision_id
55
def get_file_text(self, file_id, path=None):
57
entry = self._inventory._get_ie(path)
59
entry = self._inventory[file_id]
60
if entry.kind in ('directory', 'tree-reference'):
62
return entry.object.data
65
def tree_delta_from_git_changes(changes, mapping, specific_file=None,
66
require_versioned=False):
67
"""Create a TreeDelta from two git trees.
69
source and target are iterators over tuples with:
72
ret = delta.TreeDelta()
73
for (oldpath, newpath), (oldmode, newmode), (oldsha, newsha) in changes:
75
ret.added.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode)))
77
ret.removed.append((oldpath, mapping.generate_file_id(oldpath), mode_kind(oldmode)))
78
elif oldpath != newpath:
79
ret.renamed.append((oldpath, newpath, mapping.generate_file_id(oldpath), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
80
elif mode_kind(oldmode) != mode_kind(newmode):
81
ret.kind_changed.append((newpath, mapping.generate_file_id(newpath), mode_kind(oldmode), mode_kind(newmode)))
82
elif oldsha != newsha or oldmode != newmode:
83
ret.modified.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode), (oldsha != newsha), (oldmode != newmode)))
85
ret.unchanged.append((newpath, mapping.generate_file_id(newpath), mode_kind(newmode)))
89
def changes_from_git_changes(changes, mapping, specific_file=None,
90
require_versioned=False):
91
"""Create a iter_changes-like generator from a git stream.
93
source and target are iterators over tuples with:
96
for (oldpath, newpath), (oldmode, newmode), (oldsha, newsha) in changes:
97
path = (oldpath, newpath)
99
fileid = mapping.generate_file_id(newpath)
105
oldexe = mode_is_executable(oldmode)
106
oldkind = mode_kind(oldmode)
108
(oldparentpath, oldname) = oldpath.rsplit("/", 1)
113
oldparent = mapping.generate_file_id(oldparentpath)
114
fileid = mapping.generate_file_id(oldpath)
121
newexe = mode_is_executable(newmode)
122
newkind = mode_kind(newmode)
124
newparentpath, newname = newpath.rsplit("/", 1)
129
newparent = mapping.generate_file_id(newparentpath)
130
yield fileid, (oldpath, newpath), (oldsha != newsha), (oldpath is not None, newpath is not None), (oldparent, newparent), (oldname, newname), (oldkind, newkind), (oldexe, newexe)
133
class InterGitRevisionTrees(tree.InterTree):
134
"""InterTree that works between two git revision trees."""
136
_matching_from_tree_format = None
137
_matching_to_tree_format = None
138
_test_mutable_trees_to_test_trees = None
141
def is_compatible(cls, source, target):
142
return (isinstance(source, GitRevisionTree) and
143
isinstance(target, GitRevisionTree))
145
def compare(self, want_unchanged=False, specific_files=None,
146
extra_trees=None, require_versioned=False, include_root=False,
147
want_unversioned=False):
148
if self.source._repository._git.object_store != self.target._repository._git.object_store:
150
changes = self.source._repository._git.object_store.tree_changes(
151
self.source.tree, self.target.tree, want_unchanged=want_unchanged)
152
return tree_delta_from_git_changes(changes, self.target.mapping,
153
specific_file=specific_files)
155
def iter_changes(self, include_unchanged=False, specific_files=None,
156
pb=None, extra_trees=[], require_versioned=True, want_unversioned=False):
157
if self.source._repository._git.object_store != self.target._repository._git.object_store:
159
changes = self.source._repository._git.object_store.tree_changes(
160
self.source.tree, self.target.tree,
161
want_unchanged=include_unchanged)
162
return changes_from_git_changes(changes, self.target.mapping,
163
specific_file=specific_files)
166
tree.InterTree.register_optimiser(InterGitRevisionTrees)