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# Copyright (C) 2009-2010 Jelmer Vernooij <jelmer@samba.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Support for committing in native Git working trees."""
from dulwich.index import (
commit_tree,
)
import os
import stat
from bzrlib.repository import (
CommitBuilder,
)
from dulwich.objects import (
S_IFGITLINK,
Blob,
Commit,
)
from bzrlib.plugins.git.mapping import (
entry_mode,
)
class GitCommitBuilder(CommitBuilder):
def __init__(self, *args, **kwargs):
super(GitCommitBuilder, self).__init__(*args, **kwargs)
self.store = self.repository._git.object_store
self._blobs = {}
def record_entry_contents(self, ie, parent_invs, path, tree,
content_summary):
raise NotImplementedError(self.record_entry_contents)
def record_delete(self, path, file_id):
self._blobs[path] = None
self._any_changes = True
def record_iter_changes(self, workingtree, basis_revid, iter_changes):
index = getattr(workingtree, "index", None)
if index is not None:
def index_sha1(path, file_id):
return index.get_sha1(path.encode("utf-8"))
text_sha1 = link_sha1 = index_sha1
else:
def link_sha1(path, file_id):
blob = Blob()
blob.data = workingtree.get_symlink_target(file_id)
return blob.id
def text_sha1(path, file_id):
blob = Blob()
blob.data = workingtree.get_file_text(file_id, path)
return blob.id
for (file_id, path, changed_content, versioned, parent, name, kind,
executable) in iter_changes:
if kind[1] in ("directory",):
if kind[0] in ("file", "symlink"):
self.record_delete(path[0], file_id)
continue
if path[1] is None:
self.record_delete(path[0], file_id)
continue
if kind[1] == "file":
mode = stat.S_IFREG
sha = text_sha1(path[1], file_id)
elif kind[1] == "symlink":
mode = stat.S_IFLNK
sha = link_sha1(path[1], file_id)
elif kind[1] == "tree-reference":
mode = S_IFGITLINK
sha = "FIXME"
else:
raise AssertionError("Unknown kind %r" % kind[1])
if executable[1]:
mode |= 0111
self._any_changes = True
self._blobs[path[1].encode("utf-8")] = (mode, sha)
file_sha1 = workingtree.get_file_sha1(file_id, path[1])
yield file_id, path[1], (file_sha1, os.lstat(workingtree.abspath(path[1])))
# Fill in entries that were not changed
basis_tree = workingtree.basis_tree()
assert basis_tree.get_revision_id() == basis_revid
for path, entry in basis_tree.iter_entries_by_dir():
if entry.kind not in ("file", "symlink"):
continue
if not path in self._blobs:
blob = Blob()
if entry.kind == "symlink":
blob.data = basis_tree.get_symlink_target(entry.file_id)
else:
blob.data = basis_tree.get_file_text(entry.file_id)
self._blobs[path.encode("utf-8")] = (entry_mode(entry), blob.id)
def finish_inventory(self):
# eliminate blobs that were removed
for path, entry in self._blobs.iteritems():
if entry is None:
del self._blobs[path]
def _iterblobs(self):
return ((path, sha, mode) for (path, (mode, sha)) in self._blobs.iteritems())
def commit(self, message):
c = Commit()
c.parents = [self.repository.lookup_bzr_revision_id(revid)[0] for revid in self.parents]
c.tree = commit_tree(self.store, self._iterblobs())
c.committer = self._committer
c.author = self._revprops.get('author', self._committer)
c.commit_time = int(self._timestamp)
c.author_time = int(self._timestamp)
c.commit_timezone = self._timezone
c.author_timezone = self._timezone
c.encoding = 'utf-8'
c.message = message.encode("utf-8")
self.store.add_object(c)
self._new_revision_id = self.repository.get_mapping().revision_id_foreign_to_bzr(c.id)
self.repository.commit_write_group()
return self._new_revision_id
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