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# Copyright (C) 2011 Jelmer Vernooij <jelmer@apache.org>
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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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"""Remote helper for git for accessing bzr repositories."""
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from __future__ import absolute_import
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CAPABILITIES = ["fetch", "option", "push"]
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from ...controldir import ControlDir
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from ...errors import NotBranchError, NoRepositoryPresent
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from ...repository import InterRepository
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from ...transport import get_transport_from_path
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BareLocalGitControlDirFormat,
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LocalGitControlDirFormat,
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from .object_store import (
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from .repository import (
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from ..fastimport import exporter as fastexporter
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CAPABILITIES.append("import")
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def open_remote_dir(url):
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return ControlDir.open(url)
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except NotBranchError:
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return ControlDir.create(url)
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def fetch(outf, wants, shortname, remote_dir, local_dir):
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remote_repo = remote_dir.find_repository()
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local_repo = local_dir.find_repository()
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inter = InterRepository.get(remote_repo, local_repo)
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for (sha1, ref) in wants:
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revs.append((sha1, None))
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if (isinstance(remote_repo, GitRepository) and
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isinstance(local_repo, GitRepository)):
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inter.fetch_objects(revs, lossy=lossy)
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def push(outf, wants, shortname, remote_dir, local_dir):
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for (src_ref, dest_ref) in wants:
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local_branch = local_dir.open_branch(ref=src_ref)
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dest_branch_name = ref_to_branch_name(dest_ref)
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if dest_branch_name == "master":
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dest_branch_name = None
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remote_branch = remote_dir.open_branch(name=dest_branch_name)
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except NotBranchError:
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remote_branch = remote_dir.create_branch(name=dest_branch_name)
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local_branch.push(remote_branch)
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outf.write("ok %s\n" % dest_ref)
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class RemoteHelper(object):
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"""Git remote helper."""
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def __init__(self, local_dir, shortname, remote_dir):
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self.local_dir = local_dir
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self.shortname = shortname
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self.remote_dir = remote_dir
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def cmd_capabilities(self, outf, argv):
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outf.write("\n".join(CAPABILITIES)+"\n\n")
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def cmd_list(self, outf, argv):
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repo = self.remote_dir.find_repository()
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except NoRepositoryPresent:
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repo = self.remote_dir.create_repository()
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object_store = get_object_store(repo)
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object_store.lock_read()
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refs = get_refs_container(self.remote_dir, object_store)
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for ref, git_sha1 in refs.as_dict().iteritems():
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ref = ref.replace("~", "_")
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outf.write("%s %s\n" % (git_sha1, ref))
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object_store.unlock()
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def cmd_option(self, outf, argv):
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outf.write("unsupported\n")
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def cmd_fetch(self, outf, argv):
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if self.batchcmd not in (None, "fetch"):
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raise Exception("fetch command inside other batch command")
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self.wants.append(tuple(argv[1:]))
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self.batchcmd = "fetch"
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def cmd_push(self, outf, argv):
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if self.batchcmd not in (None, "push"):
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raise Exception("push command inside other batch command")
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self.wants.append(tuple(argv[1].split(":", 1)))
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self.batchcmd = "push"
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def cmd_import(self, outf, argv):
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if fastexporter is None:
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raise Exception("install bzr-fastimport for 'import' command support")
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dest_branch_name = ref_to_branch_name(argv[1])
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if dest_branch_name == "master":
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dest_branch_name = None
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remote_branch = self.remote_dir.open_branch(name=dest_branch_name)
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exporter = fastexporter.BzrFastExporter(remote_branch,
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outf=outf, ref=argv[1],
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checkpoint=None, import_marks_file=None,
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export_marks_file=None, revision=None,
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verbose=None, plain_format=True,
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"capabilities": cmd_capabilities,
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"option": cmd_option,
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"import": cmd_import,
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def process(self, inf, outf):
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self.process_line(l, outf)
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def process_line(self, l, outf):
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argv = l.strip().split()
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if self.batchcmd == "fetch":
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fetch(outf, self.wants, self.shortname, self.remote_dir, self.local_dir)
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elif self.batchcmd == "push":
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push(outf, self.wants, self.shortname, self.remote_dir, self.local_dir)
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elif self.batchcmd is None:
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raise AssertionError("invalid batch %r" % self.batchcmd)
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self.commands[argv[0]](self, outf, argv)
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raise Exception("Unknown remote command %r" % argv)
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def open_local_dir():
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git_path = os.environ["GIT_DIR"]
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git_transport = get_transport_from_path(".")
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git_format = LocalGitProber().probe_transport(git_transport)
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if git_path.endswith("/.git"):
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git_format = LocalGitControlDirFormat()
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git_path = git_path[:-4]
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git_format = BareLocalGitControlDirFormat()
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git_transport = get_transport_from_path(git_path)
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return git_format.open(git_transport)
added
removed
git_remote_helper.py
