# or
# % git clone bzr::lp:myrepo
#
+# If you want to specify which branches you want track (per repo):
+# git config remote-bzr.branches 'trunk, devel, test'
+#
import sys
import bzrlib.transport
import bzrlib.errors
import bzrlib.ui
+import bzrlib.urlutils
+import bzrlib.branch
import sys
import os
NAME_RE = re.compile('^([^<>]+)')
AUTHOR_RE = re.compile('^([^<>]+?)? ?<([^<>]*)>$')
+EMAIL_RE = re.compile('^([^<>]+[^ \\\t<>])?\\b(?:[ \\t<>]*?)\\b([^ \\t<>]+@[^ \\t<>]+)')
RAW_AUTHOR_RE = re.compile('^(\w+) (.+)? <(.*)> (\d+) ([+-]\d+)')
def die(msg, *args):
def gittz(tz):
return '%+03d%02d' % (tz / 3600, tz % 3600 / 60)
+def get_config(config):
+ cmd = ['git', 'config', '--get', config]
+ process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+ output, _ = process.communicate()
+ return output
+
class Marks:
def __init__(self, path):
return self.marks[rev]
def to_rev(self, mark):
- return self.rev_marks[mark]
+ return str(self.rev_marks[mark])
def next_mark(self):
self.last_mark += 1
self.last_mark = mark
def get_tip(self, branch):
- return self.tips.get(branch, None)
+ try:
+ return str(self.tips[branch])
+ except KeyError:
+ return None
def set_tip(self, branch, tip):
self.tips[branch] = tip
name = m.group(1)
mail = m.group(2).strip()
else:
- m = NAME_RE.match(user)
+ m = EMAIL_RE.match(user)
if m:
- name = m.group(1).strip()
+ name = m.group(1)
+ mail = m.group(2)
+ else:
+ m = NAME_RE.match(user)
+ if m:
+ name = m.group(1).strip()
+
+ if not name:
+ name = 'unknown'
+ if not mail:
+ mail = 'Unknown'
return '%s <%s>' % (name, mail)
return final
-def export_branch(branch, name):
+def export_branch(repo, name):
global prefix
ref = '%s/heads/%s' % (prefix, name)
tip = marks.get_tip(name)
+ branch = get_remote_branch(name)
repo = branch.repository
branch.lock_read()
revs = branch.iter_merge_sorted_revisions(None, tip, 'exclude', 'forward')
- count = 0
+ try:
+ tip_revno = branch.revision_id_to_revno(tip)
+ last_revno, _ = branch.last_revision_info()
+ total = last_revno - tip_revno
+ except bzrlib.errors.NoSuchRevision:
+ tip_revno = 0
+ total = 0
- revs = [revid for revid, _, _, _ in revs if not marks.is_marked(revid)]
+ for revid, _, seq, _ in revs:
- for revid in revs:
+ if marks.is_marked(revid):
+ continue
rev = repo.get_revision(revid)
+ revno = seq[0]
parents = rev.parent_ids
time = rev.timestamp
print "M %s :%u %s" % f
print
- count += 1
- if (count % 100 == 0):
- print "progress revision %s (%d/%d)" % (revid, count, len(revs))
- print "#############################################################"
+ if len(seq) > 1:
+ # let's skip branch revisions from the progress report
+ continue
+
+ progress = (revno - tip_revno)
+ if (progress % 100 == 0):
+ if total:
+ print "progress revision %d '%s' (%d/%d)" % (revno, name, progress, total)
+ else:
+ print "progress revision %d '%s' (%d)" % (revno, name, progress)
branch.unlock()
def do_import(parser):
global dirname
- branch = parser.repo
+ repo = parser.repo
path = os.path.join(dirname, 'marks-git')
print "feature done"
ref = parser[1]
if ref.startswith('refs/heads/'):
name = ref[len('refs/heads/'):]
- export_branch(branch, name)
+ export_branch(repo, name)
if ref.startswith('refs/tags/'):
name = ref[len('refs/tags/'):]
- export_tag(branch, name)
+ export_tag(repo, name)
parser.next()
print 'done'
ref = parser[1]
parser.next()
- if ref != 'refs/heads/master':
- die("bzr doesn't support multiple branches; use 'master'")
+ if ref.startswith('refs/heads/'):
+ name = ref[len('refs/heads/'):]
+ branch = get_remote_branch(name)
+ else:
+ die('unknown ref')
commit_mark = parser.get_mark()
parser.next()
mark = int(mark_ref[1:])
f = { 'mode' : m, 'mark' : mark }
elif parser.check('D'):
- t, path = line.split(' ')
+ t, path = line.split(' ', 1)
f = { 'deleted' : True }
else:
die('Unknown file command: %s' % line)
path = c_style_unescape(path).decode('utf-8')
files[path] = f
- branch = parser.repo
-
committer, date, tz = committer
- parents = [str(mark_to_rev(p)) for p in parents]
+ parents = [mark_to_rev(p) for p in parents]
revid = bzrlib.generate_ids.gen_revision_id(committer, date)
props = {}
props['branch-nick'] = branch.nick
ref = parser[1]
parser.next()
- if ref != 'refs/heads/master':
- die("bzr doesn't support multiple branches; use 'master'")
-
# ugh
if parser.check('commit'):
parse_commit(parser)
parsed_refs[ref] = mark_to_rev(from_mark)
def do_export(parser):
- global parsed_refs, dirname, peer
+ global parsed_refs, dirname
parser.next()
else:
die('unhandled export command: %s' % line)
- branch = parser.repo
-
for ref, revid in parsed_refs.iteritems():
- if ref == 'refs/heads/master':
- branch.generate_revision_history(revid, marks.get_tip('master'))
- if peer:
+ if ref.startswith('refs/heads/'):
+ name = ref[len('refs/heads/'):]
+ branch = get_remote_branch(name)
+ branch.generate_revision_history(revid, marks.get_tip(name))
+
+ if name in peers:
+ peer = bzrlib.branch.Branch.open(peers[name])
try:
- branch.push(peer, stop_revision=revid)
+ peer.bzrdir.push_branch(branch, revision_id=revid)
except bzrlib.errors.DivergedBranches:
print "error %s non-fast forward" % ref
continue
wt.update()
except bzrlib.errors.NoWorkingTree:
pass
+ elif ref.startswith('refs/tags/'):
+ # TODO: implement tag push
+ print "error %s pushing tags not supported" % ref
+ continue
+ else:
+ # transport-helper/fast-export bugs
+ continue
print "ok %s" % ref
def do_list(parser):
global tags
- print "? refs/heads/%s" % 'master'
- branch = parser.repo
+ master_branch = None
+
+ for name in branches:
+ if not master_branch:
+ master_branch = name
+ print "? refs/heads/%s" % name
+
+ branch = get_remote_branch(master_branch)
branch.lock_read()
for tag, revid in branch.tags.get_tag_dict().items():
try:
print "? refs/tags/%s" % tag
tags[tag] = revid
branch.unlock()
- print "@refs/heads/%s HEAD" % 'master'
+
+ print "@refs/heads/%s HEAD" % master_branch
print
+def clone(path, remote_branch):
+ try:
+ bdir = bzrlib.bzrdir.BzrDir.create(path)
+ except bzrlib.errors.AlreadyControlDirError:
+ bdir = bzrlib.bzrdir.BzrDir.open(path)
+ repo = bdir.find_repository()
+ repo.fetch(remote_branch.repository)
+ return remote_branch.sprout(bdir, repository=repo)
+
+def get_remote_branch(name):
+ global dirname, branches
+
+ remote_branch = bzrlib.branch.Branch.open(branches[name])
+ if isinstance(remote_branch.user_transport, bzrlib.transport.local.LocalTransport):
+ return remote_branch
+
+ branch_path = os.path.join(dirname, 'clone', name)
+
+ try:
+ branch = bzrlib.branch.Branch.open(branch_path)
+ except bzrlib.errors.NotBranchError:
+ # clone
+ branch = clone(branch_path, remote_branch)
+ else:
+ # pull
+ try:
+ branch.pull(remote_branch, overwrite=True)
+ except bzrlib.errors.DivergedBranches:
+ # use remote branch for now
+ return remote_branch
+
+ return branch
+
+def find_branches(repo):
+ transport = repo.bzrdir.root_transport
+
+ for fn in transport.iter_files_recursive():
+ if not fn.endswith('.bzr/branch-format'):
+ continue
+
+ name = subdir = fn[:-len('/.bzr/branch-format')]
+ name = name if name != '' else 'master'
+ name = name.replace('/', '+')
+
+ try:
+ cur = transport.clone(subdir)
+ branch = bzrlib.branch.Branch.open_from_transport(cur)
+ except bzrlib.errors.NotBranchError:
+ continue
+ else:
+ yield name, branch.base
+
def get_repo(url, alias):
- global dirname, peer
+ global dirname, peer, branches
+ normal_url = bzrlib.urlutils.normalize_url(url)
origin = bzrlib.bzrdir.BzrDir.open(url)
- branch = origin.open_branch()
+ is_local = isinstance(origin.transport, bzrlib.transport.local.LocalTransport)
+
+ shared_path = os.path.join(gitdir, 'bzr')
+ try:
+ shared_dir = bzrlib.bzrdir.BzrDir.open(shared_path)
+ except bzrlib.errors.NotBranchError:
+ shared_dir = bzrlib.bzrdir.BzrDir.create(shared_path)
+ try:
+ shared_repo = shared_dir.open_repository()
+ except bzrlib.errors.NoRepositoryPresent:
+ shared_repo = shared_dir.create_repository(shared=True)
- if not isinstance(origin.transport, bzrlib.transport.local.LocalTransport):
+ if not is_local:
clone_path = os.path.join(dirname, 'clone')
- remote_branch = branch
- if os.path.exists(clone_path):
- # pull
- d = bzrlib.bzrdir.BzrDir.open(clone_path)
- branch = d.open_branch()
- try:
- result = branch.pull(remote_branch, [], None, False)
- except bzrlib.errors.DivergedBranches:
- # use remote branch for now
- peer = None
- return remote_branch
+ if not os.path.exists(clone_path):
+ os.mkdir(clone_path)
else:
- # clone
- d = origin.sprout(clone_path, None,
- hardlink=True, create_tree_if_local=False,
- source_branch=remote_branch)
- branch = d.open_branch()
- branch.bind(remote_branch)
-
- peer = remote_branch
+ # check and remove old organization
+ try:
+ bdir = bzrlib.bzrdir.BzrDir.open(clone_path)
+ bdir.destroy_repository()
+ except bzrlib.errors.NotBranchError:
+ pass
+ except bzrlib.errors.NoRepositoryPresent:
+ pass
+
+ wanted = get_config('remote-bzr.branches').rstrip().split(', ')
+ # stupid python
+ wanted = [e for e in wanted if e]
+
+ if not wanted:
+ try:
+ repo = origin.open_repository()
+ if not repo.user_transport.listable():
+ # this repository is not usable for us
+ raise bzrlib.errors.NoRepositoryPresent(repo.bzrdir)
+ except bzrlib.errors.NoRepositoryPresent:
+ wanted = ['master']
+
+ if wanted:
+ def list_wanted(url, wanted):
+ for name in wanted:
+ subdir = name if name != 'master' else ''
+ yield name, bzrlib.urlutils.join(url, subdir)
+
+ branch_list = list_wanted(url, wanted)
else:
- peer = None
+ branch_list = find_branches(repo)
- return branch
+ for name, url in branch_list:
+ if not is_local:
+ peers[name] = url
+ branches[name] = url
+
+ return origin
def fix_path(alias, orig_url):
url = urlparse.urlparse(orig_url, 'file')
subprocess.call(cmd)
def main(args):
- global marks, prefix, dirname
+ global marks, prefix, gitdir, dirname
global tags, filenodes
global blob_marks
global parsed_refs
global files_cache
global is_tmp
+ global branches, peers
alias = args[1]
url = args[2]
parsed_refs = {}
files_cache = {}
marks = None
+ branches = {}
+ peers = {}
if alias[5:] == url:
is_tmp = True
if not os.path.exists(dirname):
os.makedirs(dirname)
- bzrlib.ui.ui_factory.be_quiet(True)
+ if hasattr(bzrlib.ui.ui_factory, 'be_quiet'):
+ bzrlib.ui.ui_factory.be_quiet(True)
repo = get_repo(url, alias)