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# Copyright (C) 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""An adapter between a Git Repository and a Bazaar Branch"""
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from bzrlib.transport import get_transport
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from bzrlib.plugins.git import (
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from bzrlib.plugins.git.mapping import default_mapping
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class GitRepository(repository.Repository):
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"""An adapter to git repositories for bzr."""
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def __init__(self, gitdir, lockfiles):
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self.base = gitdir.root_transport.base
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self.control_files = lockfiles
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self._git = gitdir._git
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self.signatures = versionedfiles.VirtualSignatureTexts(self)
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self.revisions = versionedfiles.VirtualRevisionTexts(self)
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self._format = GitFormat()
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self._fallback_repositories = []
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def _all_revision_ids(self):
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if self._git.heads == []:
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cms = self._git.commits("--all", max_count=max_count, skip=skip)
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ret.update([default_mapping.convert_revision_id_git_to_bzr(cm.id) for cm in cms])
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def supports_rich_root(self):
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#def get_revision_delta(self, revision_id):
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# parent_revid = self.get_revision(revision_id).parent_ids[0]
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# diff = self._git.diff(ids.convert_revision_id_bzr_to_git(parent_revid),
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# ids.convert_revision_id_bzr_to_git(revision_id))
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def get_ancestry(self, revision_id):
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revision_id = revision.ensure_null(revision_id)
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if revision_id != revision.NULL_REVISION:
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cms = self._git.commits(default_mapping.convert_revision_id_bzr_to_git(revision_id), max_count=max_count, skip=skip)
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ret += [default_mapping.convert_revision_id_git_to_bzr(cm.id) for cm in cms]
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def get_signature_text(self, revision_id):
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raise errors.NoSuchRevision(self, revision_id)
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def has_signature_for_revision_id(self, revision_id):
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def get_parent_map(self, revision_ids):
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for revid in revision_ids:
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if revid == revision.NULL_REVISION:
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commit = self._git.commit(default_mapping.convert_revision_id_bzr_to_git(revid))
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ret[revid] = tuple([default_mapping.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
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def get_revision(self, revision_id):
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git_commit_id = default_mapping.convert_revision_id_bzr_to_git(revision_id)
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commit = self._git.commit(git_commit_id)
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# print "fetched revision:", git_commit_id
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revision = self._parse_rev(commit)
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def has_revision(self, revision_id):
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self.get_revision(revision_id)
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except NoSuchRevision:
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def get_revisions(self, revisions):
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return [self.get_revision(r) for r in revisions]
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def _parse_rev(klass, commit):
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"""Convert a git commit to a bzr revision.
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:return: a `bzrlib.revision.Revision` object.
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rev = revision.Revision(default_mapping.convert_revision_id_git_to_bzr(commit.id))
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rev.parent_ids = tuple([default_mapping.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
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rev.inventory_sha1 = ""
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rev.message = commit.message.decode("utf-8", "replace")
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rev.committer = str(commit.committer)
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rev.properties['author'] = str(commit.author)
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rev.timestamp = time.mktime(commit.committed_date)
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def revision_trees(self, revids):
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yield self.revision_tree(revid)
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def revision_tree(self, revision_id):
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revision_id = revision.ensure_null(revision_id)
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if revision_id == revision.NULL_REVISION:
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inv = inventory.Inventory(root_id=None)
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inv.revision_id = revision_id
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return revisiontree.RevisionTree(self, inv, revision_id)
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return GitRevisionTree(self, revision_id)
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def get_inventory(self, revision_id):
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assert revision_id != None
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return self.revision_tree(revision_id).inventory
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def escape_file_id(file_id):
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return file_id.replace('_', '__').replace(' ', '_s')
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def unescape_file_id(file_id):
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return file_id.replace("_s", " ").replace("__", "_")
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class GitRevisionTree(revisiontree.RevisionTree):
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def __init__(self, repository, revision_id):
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self._repository = repository
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self.revision_id = revision_id
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git_id = default_mapping.convert_revision_id_bzr_to_git(revision_id)
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self.tree = repository._git.commit(git_id).tree
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self._inventory = inventory.Inventory(revision_id=revision_id)
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self._inventory.root.revision = revision_id
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self._build_inventory(self.tree, self._inventory.root, "")
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def get_revision_id(self):
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return self.revision_id
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def get_file_text(self, file_id):
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entry = self._inventory[file_id]
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if entry.kind == 'directory': return ""
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return self._repository._git.blob(entry.text_id).data
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def _build_inventory(self, tree, ie, path):
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assert isinstance(path, str)
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for b in tree.contents:
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basename = b.name.decode("utf-8")
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child_path = urlutils.join(path, b.name)
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file_id = escape_file_id(child_path.encode('utf-8'))
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child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)
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elif b.mode[0] == '1':
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child_ie = inventory.InventoryFile(file_id, basename, ie.file_id)
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child_ie.text_sha1 = osutils.sha_string(b.data)
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elif b.mode[1] == '2':
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child_ie = inventory.InventoryLink(file_id, basename, ie.file_id)
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child_ie.text_sha1 = osutils.sha_string("")
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raise AssertionError(
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"Unknown file kind, perms=%r." % (b.mode,))
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child_ie.text_id = b.id
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child_ie.text_size = b.size
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raise AssertionError(
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"Unknown blob kind, perms=%r." % (b.mode,))
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child_ie.executable = bool(int(b.mode[3:], 8) & 0111)
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child_ie.revision = self.revision_id
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self._inventory.add(child_ie)
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self._build_inventory(b, child_ie, child_path)
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class GitFormat(object):
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supports_tree_reference = False
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def get_format_description(self):
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return "Git Repository"
added
removed
repository.py
