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"""A GIT branch and repository format implementation for bzr."""
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from bzrlib import bzrdir, errors as bzr_errors
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from bzrlib.foreign import foreign_vcs_registry
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from bzrlib.lockable_files import TransportLock
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from bzrlib.transport import register_lazy_transport
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from bzrlib.commands import plugin_cmds
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from bzrlib.trace import warning
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MINIMUM_DULWICH_VERSION = (0, 1, 0)
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COMPATIBLE_BZR_VERSIONS = [(1, 11, 0), (1, 12, 0)]
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if getattr(sys, "frozen", None):
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# allow import additional libs from ./_lib for bzr.exe only
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sys.path.append(os.path.normpath(os.path.join(os.path.dirname(__file__), '_lib')))
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_versions_checked = False
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def lazy_check_versions():
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global _versions_checked
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_versions_checked = True
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from dulwich import __version__ as dulwich_version
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raise ImportError("bzr-git: Please install dulwich, https://launchpad.net/dulwich")
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if dulwich_version < MINIMUM_DULWICH_VERSION:
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raise ImportError("bzr-git: Dulwich is too old; at least %d.%d.%d is required" % MINIMUM_DULWICH_VERSION)
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bzrlib.api.require_any_api(bzrlib, COMPATIBLE_BZR_VERSIONS)
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bzrdir.format_registry.register_lazy('git',
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"bzrlib.plugins.git.dir", "LocalGitBzrDirFormat",
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help='GIT repository.', native=False, experimental=True,
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from StringIO import StringIO
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import stgit.git as git
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from bzrlib.revisionspec import revspec_registry
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revspec_registry.register_lazy("git:", "bzrlib.plugins.git.revspec",
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from bzrlib.revisionspec import SPEC_TYPES
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from bzrlib.plugins.git.revspec import RevisionSpec_git
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SPEC_TYPES.append(RevisionSpec_git)
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class GitBzrDirFormat(bzrdir.BzrDirFormat):
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_lock_class = TransportLock
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def is_supported(self):
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class LocalGitBzrDirFormat(GitBzrDirFormat):
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"""The .git directory control format."""
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def _known_formats(self):
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return set([LocalGitBzrDirFormat()])
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def open(self, transport, _found=None):
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"""Open this directory.
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# we dont grok readonly - git isn't integrated with transport.
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if url.startswith('readonly+'):
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url = url[len('readonly+'):]
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gitrepo = git.repo.Repo(transport.local_abspath("."))
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except bzr_errors.NotLocalUrl:
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raise bzr_errors.NotBranchError(path=transport.base)
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from bzrlib.plugins.git.dir import LocalGitDir, GitLockableFiles, GitLock
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lockfiles = GitLockableFiles(transport, GitLock())
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return LocalGitDir(transport, lockfiles, gitrepo, self)
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def probe_transport(klass, transport):
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"""Our format is present if the transport ends in '.not/'."""
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from bzrlib.transport.local import LocalTransport
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if not isinstance(transport, LocalTransport):
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raise bzr_errors.NotBranchError(path=transport.base)
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# This should quickly filter out most things that are not
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# git repositories, saving us the trouble from loading dulwich.
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if not transport.has(".git") and not transport.has("objects"):
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raise bzr_errors.NotBranchError(path=transport.base)
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import dulwich as git
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format.open(transport)
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except git.errors.NotGitRepository, e:
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raise bzr_errors.NotBranchError(path=transport.base)
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raise bzr_errors.NotBranchError(path=transport.base)
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def get_format_description(self):
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return "Local Git Repository"
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def get_format_string(self):
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return "Local Git Repository"
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def initialize_on_transport(self, transport):
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from bzrlib.transport.local import LocalTransport
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if not isinstance(transport, LocalTransport):
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raise NotImplementedError(self.initialize,
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"Can't create Git Repositories/branches on "
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"non-local transports")
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from dulwich.repo import Repo
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Repo.create(transport.local_abspath("."))
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return self.open(transport)
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def is_supported(self):
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class RemoteGitBzrDirFormat(GitBzrDirFormat):
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"""The .git directory control format."""
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def _known_formats(self):
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return set([RemoteGitBzrDirFormat()])
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def open(self, transport, _found=None):
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"""Open this directory.
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from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
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if not isinstance(transport, GitSmartTransport):
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raise bzr_errors.NotBranchError(transport.base)
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# we dont grok readonly - git isn't integrated with transport.
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if url.startswith('readonly+'):
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url = url[len('readonly+'):]
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from bzrlib.plugins.git.dir import GitLockableFiles, GitLock
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lockfiles = GitLockableFiles(transport, GitLock())
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return RemoteGitDir(transport, lockfiles, self)
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def probe_transport(klass, transport):
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"""Our format is present if the transport ends in '.not/'."""
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# little ugly, but works
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from bzrlib.plugins.git.remote import GitSmartTransport
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if not isinstance(transport, GitSmartTransport):
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raise bzr_errors.NotBranchError(transport.base)
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# The only way to know a path exists and contains a valid repository
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# is to do a request against it:
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transport.fetch_pack(lambda x: [], None, lambda x: None,
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lambda x: mutter("git: %s" % x))
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except errors.git_errors.GitProtocolError:
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raise bzr_errors.NotBranchError(path=transport.base)
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raise bzr_errors.NotBranchError(path=transport.base)
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def get_format_description(self):
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return "Remote Git Repository"
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def get_format_string(self):
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return "Remote Git Repository"
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def initialize_on_transport(self, transport):
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raise bzr_errors.UninitializableFormat(self)
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bzrdir.BzrDirFormat.register_control_format(LocalGitBzrDirFormat)
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bzrdir.BzrDirFormat.register_control_format(RemoteGitBzrDirFormat)
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register_lazy_transport("git://", 'bzrlib.plugins.git.remote',
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foreign_vcs_registry.register_lazy("git",
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"bzrlib.plugins.git.mapping",
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"Stupid content tracker")
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plugin_cmds.register_lazy("cmd_git_serve", [], "bzrlib.plugins.git.commands")
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plugin_cmds.register_lazy("cmd_git_import", [], "bzrlib.plugins.git.commands")
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from bzrlib.decorators import *
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import bzrlib.errors as errors
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import bzrlib.repository
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from bzrlib.revision import Revision
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class GitInventory(object):
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def __init__(self, revision_id):
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self.root = GitEntry('', 'directory', revision_id)
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self.entries[''] = self.root
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def __getitem__(self, key):
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return self.entries[key]
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def iter_entries(self):
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return iter(sorted(self.entries.items()))
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def iter_entries_by_dir(self):
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return self.iter_entries()
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return len(self.entries)
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class GitEntry(object):
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def __init__(self, path, kind, revision, text_sha1=None, executable=False,
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self.executable = executable
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self.name = osutils.basename(path)
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self.parent_id = osutils.dirname(path)
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self.revision = revision
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self.symlink_target = None
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self.text_sha1 = text_sha1
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return "GitEntry(%r, %r, %r, %r)" % (self.path, self.kind,
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self.revision, self.parent_id)
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class GitModel(object):
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"""API that follows GIT model closely"""
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def __init__(self, git_dir):
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self.git_dir = git_dir
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def git_command(self, command, args):
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args = ' '.join("'%s'" % arg for arg in args)
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return 'git --git-dir=%s %s %s' % (self.git_dir, command, args)
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def git_lines(self, command, args):
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return stgit.git._output_lines(self.git_command(command, args))
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def git_line(self, command, args):
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return stgit.git._output_one_line(self.git_command(command, args))
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def cat_file(self, type, object_id, pretty=False):
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args.append(object_id)
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return self.git_lines('cat-file', args)
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def rev_list(self, heads, max_count=None, header=False):
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if max_count is not None:
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args.append('--max-count=%d' % max_count)
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if header is not False:
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args.append('--header')
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return self.git_lines('rev-list', args)
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def rev_parse(self, git_id):
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args = ['--verify', git_id]
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return self.git_line('rev-parse', args)
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return self.rev_parse('HEAD')
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def ancestor_lines(self, revisions):
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for line in self.rev_list(revisions, header=True):
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if line.startswith('\x00'):
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revision_lines = [line[1:].decode('latin-1')]
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revision_lines.append(line.decode('latin-1'))
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assert revision_lines == ['']
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def get_inventory(self, tree_id):
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for line in self.cat_file('tree', tree_id, True):
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sections = line.split(' ', 2)
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obj_id, name = sections[2].split('\t', 1)
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name = name.rstrip('\n')
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if name.startswith('"'):
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name = name[1:-1].decode('string_escape').decode('utf-8')
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yield (sections[0], sections[1], obj_id, name)
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class cmd_test_git(commands.Command):
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from bzrlib.tests import selftest
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def test_suite():
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from bzrlib.plugins.git import tests
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return tests.test_suite()