import sys
import bzrlib
-bzrlib.initialize()
+if hasattr(bzrlib, "initialize"):
+ bzrlib.initialize()
import bzrlib.plugin
bzrlib.plugin.load_plugins()
+import bzrlib.generate_ids
+import bzrlib.transport
+
import sys
import os
import json
import re
+import StringIO
NAME_RE = re.compile('^([^<>]+)')
AUTHOR_RE = re.compile('^([^<>]+?)? ?<([^<>]*)>$')
+RAW_AUTHOR_RE = re.compile('^(\w+) (.+)? <(.*)> (\d+) ([+-]\d+)')
def die(msg, *args):
sys.stderr.write('ERROR: %s\n' % (msg % args))
self.path = path
self.tips = {}
self.marks = {}
+ self.rev_marks = {}
self.last_mark = 0
self.load()
self.marks = tmp['marks']
self.last_mark = tmp['last-mark']
+ for rev, mark in self.marks.iteritems():
+ self.rev_marks[mark] = rev
+
def dict(self):
return { 'tips': self.tips, 'marks': self.marks, 'last-mark' : self.last_mark }
def from_rev(self, rev):
return self.marks[rev]
+ def to_rev(self, mark):
+ return self.rev_marks[mark]
+
def next_mark(self):
self.last_mark += 1
return self.last_mark
def is_marked(self, rev):
return self.marks.has_key(rev)
+ def new_mark(self, rev, mark):
+ self.marks[rev] = mark
+ self.rev_marks[mark] = rev
+ self.last_mark = mark
+
def get_tip(self, branch):
return self.tips.get(branch, None)
if self.line == 'done':
self.line = None
+ def get_mark(self):
+ i = self.line.index(':') + 1
+ return int(self.line[i:])
+
+ def get_data(self):
+ if not self.check('data'):
+ return None
+ i = self.line.index(' ') + 1
+ size = int(self.line[i:])
+ return sys.stdin.read(size)
+
+ def get_author(self):
+ m = RAW_AUTHOR_RE.match(self.line)
+ if not m:
+ return None
+ _, name, email, date, tz = m.groups()
+ committer = '%s <%s>' % (name, email)
+ tz = int(tz)
+ tz = ((tz / 100) * 3600) + ((tz % 100) * 60)
+ return (committer, int(date), tz)
+
def rev_to_mark(rev):
global marks
return marks.from_rev(rev)
+def mark_to_rev(mark):
+ global marks
+ return marks.to_rev(mark)
+
def fixup_user(user):
name = mail = None
user = user.replace('"', '')
final = []
for path, fid in files.iteritems():
+ kind = tree.kind(fid)
+
h = tree.get_file_sha1(fid)
- mode = '100644'
+ if kind == 'symlink':
+ d = tree.get_symlink_target(fid)
+ mode = '120000'
+ elif kind == 'file':
+
+ if tree.is_executable(fid):
+ mode = '100755'
+ else:
+ mode = '100644'
+
+ # is the blog already exported?
+ if h in filenodes:
+ mark = filenodes[h]
+ final.append((mode, mark, path))
+ continue
- # is the blob already exported?
- if h in filenodes:
- mark = filenodes[h]
- else:
d = tree.get_file_text(fid)
+ elif kind == 'directory':
+ continue
+ else:
+ die("Unhandled kind '%s' for path '%s'" % (kind, path))
- mark = marks.next_mark()
- filenodes[h] = mark
+ mark = marks.next_mark()
+ filenodes[h] = mark
- print "blob"
- print "mark :%u" % mark
- print "data %d" % len(d)
- print d
+ print "blob"
+ print "mark :%u" % mark
+ print "data %d" % len(d)
+ print d
final.append((mode, mark, path))
sys.stdout.flush()
+def parse_blob(parser):
+ global blob_marks
+
+ parser.next()
+ mark = parser.get_mark()
+ parser.next()
+ data = parser.get_data()
+ blob_marks[mark] = data
+ parser.next()
+
+class CustomTree():
+
+ def __init__(self, repo, revid, parents, files):
+ global files_cache
+
+ self.repo = repo
+ self.revid = revid
+ self.parents = parents
+ self.updates = {}
+
+ def copy_tree(revid):
+ files = files_cache[revid] = {}
+ tree = repo.repository.revision_tree(revid)
+ repo.lock_read()
+ try:
+ for path, entry in tree.iter_entries_by_dir():
+ files[path] = entry.file_id
+ finally:
+ repo.unlock()
+ return files
+
+ if len(parents) == 0:
+ self.base_id = bzrlib.revision.NULL_REVISION
+ self.base_files = {}
+ else:
+ self.base_id = parents[0]
+ self.base_files = files_cache.get(self.base_id, None)
+ if not self.base_files:
+ self.base_files = copy_tree(self.base_id)
+
+ self.files = files_cache[revid] = self.base_files.copy()
+
+ for path, f in files.iteritems():
+ fid = self.files.get(path, None)
+ if not fid:
+ fid = bzrlib.generate_ids.gen_file_id(path)
+ f['path'] = path
+ self.updates[fid] = f
+
+ def last_revision(self):
+ return self.base_id
+
+ def iter_changes(self):
+ changes = []
+
+ def get_parent(dirname, basename):
+ parent_fid = self.base_files.get(dirname, None)
+ if parent_fid:
+ return parent_fid
+ parent_fid = self.files.get(dirname, None)
+ if parent_fid:
+ return parent_fid
+ if basename == '':
+ return None
+ fid = bzrlib.generate_ids.gen_file_id(path)
+ d = add_entry(fid, dirname, 'directory')
+ return fid
+
+ def add_entry(fid, path, kind, mode = None):
+ dirname, basename = os.path.split(path)
+ parent_fid = get_parent(dirname, basename)
+
+ executable = False
+ if mode == '100755':
+ executable = True
+ elif mode == '120000':
+ kind = 'symlink'
+
+ change = (fid,
+ (None, path),
+ True,
+ (False, True),
+ (None, parent_fid),
+ (None, basename),
+ (None, kind),
+ (None, executable))
+ self.files[path] = change[0]
+ changes.append(change)
+ return change
+
+ def update_entry(fid, path, kind, mode = None):
+ dirname, basename = os.path.split(path)
+ parent_fid = get_parent(dirname, basename)
+
+ executable = False
+ if mode == '100755':
+ executable = True
+ elif mode == '120000':
+ kind = 'symlink'
+
+ change = (fid,
+ (path, path),
+ True,
+ (True, True),
+ (None, parent_fid),
+ (None, basename),
+ (None, kind),
+ (None, executable))
+ self.files[path] = change[0]
+ changes.append(change)
+ return change
+
+ def remove_entry(fid, path, kind):
+ dirname, basename = os.path.split(path)
+ parent_fid = get_parent(dirname, basename)
+ change = (fid,
+ (path, None),
+ True,
+ (True, False),
+ (parent_fid, None),
+ (None, None),
+ (None, None),
+ (None, None))
+ del self.files[path]
+ changes.append(change)
+ return change
+
+ for fid, f in self.updates.iteritems():
+ path = f['path']
+
+ if 'deleted' in f:
+ remove_entry(fid, path, 'file')
+ continue
+
+ if path in self.base_files:
+ update_entry(fid, path, 'file', f['mode'])
+ else:
+ add_entry(fid, path, 'file', f['mode'])
+
+ return changes
+
+ def get_file_with_stat(self, file_id, path=None):
+ return (StringIO.StringIO(self.updates[file_id]['data']), None)
+
+ def get_symlink_target(self, file_id):
+ return self.updates[file_id]['data']
+
+def parse_commit(parser):
+ global marks, blob_marks, bmarks, parsed_refs
+ global mode
+
+ parents = []
+
+ ref = parser[1]
+ parser.next()
+
+ if ref != 'refs/heads/master':
+ die("bzr doesn't support multiple branches; use 'master'")
+
+ commit_mark = parser.get_mark()
+ parser.next()
+ author = parser.get_author()
+ parser.next()
+ committer = parser.get_author()
+ parser.next()
+ data = parser.get_data()
+ parser.next()
+ if parser.check('from'):
+ parents.append(parser.get_mark())
+ parser.next()
+ while parser.check('merge'):
+ parents.append(parser.get_mark())
+ parser.next()
+
+ files = {}
+
+ for line in parser:
+ if parser.check('M'):
+ t, m, mark_ref, path = line.split(' ', 3)
+ mark = int(mark_ref[1:])
+ f = { 'mode' : m, 'data' : blob_marks[mark] }
+ elif parser.check('D'):
+ t, path = line.split(' ')
+ f = { 'deleted' : True }
+ else:
+ die('Unknown file command: %s' % line)
+ files[path] = f
+
+ repo = parser.repo
+
+ committer, date, tz = committer
+ parents = [str(mark_to_rev(p)) for p in parents]
+ revid = bzrlib.generate_ids.gen_revision_id(committer, date)
+ props = {}
+ props['branch-nick'] = repo.nick
+
+ mtree = CustomTree(repo, revid, parents, files)
+ changes = mtree.iter_changes()
+
+ repo.lock_write()
+ try:
+ builder = repo.get_commit_builder(parents, None, date, tz, committer, props, revid)
+ try:
+ list(builder.record_iter_changes(mtree, mtree.last_revision(), changes))
+ builder.finish_inventory()
+ builder.commit(data.decode('utf-8', 'replace'))
+ except Exception, e:
+ builder.abort()
+ raise
+ finally:
+ repo.unlock()
+
+ parsed_refs[ref] = revid
+ marks.new_mark(revid, commit_mark)
+
+def parse_reset(parser):
+ global parsed_refs
+
+ 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)
+ return
+ if not parser.check('from'):
+ return
+ from_mark = parser.get_mark()
+ parser.next()
+
+ parsed_refs[ref] = mark_to_rev(from_mark)
+
+def do_export(parser):
+ global parsed_refs, dirname, peer
+
+ parser.next()
+
+ for line in parser.each_block('done'):
+ if parser.check('blob'):
+ parse_blob(parser)
+ elif parser.check('commit'):
+ parse_commit(parser)
+ elif parser.check('reset'):
+ parse_reset(parser)
+ elif parser.check('tag'):
+ pass
+ elif parser.check('feature'):
+ pass
+ else:
+ die('unhandled export command: %s' % line)
+
+ repo = parser.repo
+
+ for ref, revid in parsed_refs.iteritems():
+ if ref == 'refs/heads/master':
+ repo.generate_revision_history(revid, marks.get_tip('master'))
+ revno, revid = repo.last_revision_info()
+ if peer:
+ if hasattr(peer, "import_last_revision_info_and_tags"):
+ peer.import_last_revision_info_and_tags(repo, revno, revid)
+ else:
+ peer.import_last_revision_info(repo.repository, revno, revid)
+ wt = peer.bzrdir.open_workingtree()
+ else:
+ wt = repo.bzrdir.open_workingtree()
+ wt.update()
+ print "ok %s" % ref
+ print
+
def do_capabilities(parser):
+ global dirname
+
print "import"
+ print "export"
print "refspec refs/heads/*:%s/heads/*" % prefix
+
+ path = os.path.join(dirname, 'marks-git')
+
+ if os.path.exists(path):
+ print "*import-marks %s" % path
+ print "*export-marks %s" % path
+
print
def do_list(parser):
print
def get_repo(url, alias):
- origin = bzrlib.controldir.ControlDir.open(url)
- return origin.open_branch()
+ global dirname, peer
+
+ origin = bzrlib.bzrdir.BzrDir.open(url)
+ branch = origin.open_branch()
+
+ if not isinstance(origin.transport, bzrlib.transport.local.LocalTransport):
+ 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()
+ result = branch.pull(remote_branch, [], None, False)
+ 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
+ else:
+ peer = None
+
+ return branch
def main(args):
global marks, prefix, dirname
global tags, filenodes
+ global blob_marks
+ global parsed_refs
+ global files_cache
alias = args[1]
url = args[2]
prefix = 'refs/bzr/%s' % alias
tags = {}
filenodes = {}
+ blob_marks = {}
+ parsed_refs = {}
+ files_cache = {}
gitdir = os.environ['GIT_DIR']
dirname = os.path.join(gitdir, 'bzr', alias)
do_list(parser)
elif parser.check('import'):
do_import(parser)
+ elif parser.check('export'):
+ do_export(parser)
else:
die('unhandled command: %s' % line)
sys.stdout.flush()