diff options
Diffstat (limited to 'contrib/remote-helpers/git-remote-bzr')
| -rwxr-xr-x | contrib/remote-helpers/git-remote-bzr | 450 |
1 files changed, 342 insertions, 108 deletions
diff --git a/contrib/remote-helpers/git-remote-bzr b/contrib/remote-helpers/git-remote-bzr index c5822e4ac9..10300c63d1 100755 --- a/contrib/remote-helpers/git-remote-bzr +++ b/contrib/remote-helpers/git-remote-bzr @@ -13,6 +13,9 @@ # 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 @@ -25,15 +28,21 @@ bzrlib.plugin.load_plugins() import bzrlib.generate_ids import bzrlib.transport +import bzrlib.errors +import bzrlib.ui +import bzrlib.urlutils +import bzrlib.branch import sys import os import json import re import StringIO +import atexit, shutil, hashlib, urlparse, subprocess 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): @@ -46,6 +55,12 @@ def warn(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): @@ -81,7 +96,7 @@ class Marks: 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 @@ -93,7 +108,7 @@ class Marks: return self.last_mark def is_marked(self, rev): - return self.marks.has_key(rev) + return rev in self.marks def new_mark(self, rev, mark): self.marks[rev] = mark @@ -171,9 +186,19 @@ def fixup_user(user): 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) @@ -183,15 +208,24 @@ def get_filechanges(cur, prev): changes = cur.changes_from(prev) + def u(s): + return s.encode('utf-8') + for path, fid, kind in changes.added: - modified[path] = fid + modified[u(path)] = fid for path, fid, kind in changes.removed: - removed[path] = None + removed[u(path)] = None for path, fid, kind, mod, _ in changes.modified: - modified[path] = fid + modified[u(path)] = fid for oldpath, newpath, fid, kind, mod, _ in changes.renamed: - removed[oldpath] = None - modified[newpath] = fid + removed[u(oldpath)] = None + if kind == 'directory': + lst = cur.list_files(from_dir=newpath, recursive=True) + for path, file_class, kind, fid, entry in lst: + if kind != 'directory': + modified[u(newpath + '/' + path)] = fid + else: + modified[u(newpath)] = fid return modified, removed @@ -214,7 +248,7 @@ def export_files(tree, files): else: mode = '100644' - # is the blog already exported? + # is the blob already exported? if h in filenodes: mark = filenodes[h] final.append((mode, mark, path)) @@ -238,29 +272,44 @@ def export_files(tree, files): return final -def export_branch(branch, name): - global prefix, dirname +def export_branch(repo, name): + global prefix ref = '%s/heads/%s' % (prefix, name) tip = marks.get_tip(name) + branch = bzrlib.branch.Branch.open(branches[name]) repo = branch.repository - repo.lock_read() + + 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 tz = rev.timezone committer = rev.committer.encode('utf-8') committer = "%s %u %s" % (fixup_user(committer), time, gittz(tz)) - author = committer + authors = rev.get_apparent_authors() + if authors: + author = authors[0].encode('utf-8') + author = "%s %u %s" % (fixup_user(author), time, gittz(tz)) + else: + author = committer msg = rev.message.encode('utf-8') msg += '\n' @@ -297,18 +346,24 @@ def export_branch(branch, name): else: print "merge :%s" % m + for f in removed: + print "D %s" % (f,) for f in modified_final: print "M %s :%u %s" % f - for f in removed: - print "D %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) - repo.unlock() + branch.unlock() revid = branch.last_revision() @@ -320,34 +375,34 @@ def export_branch(branch, name): marks.set_tip(name, revid) def export_tag(repo, name): - global tags - try: - print "reset refs/tags/%s" % name - print "from :%u" % rev_to_mark(tags[name]) - print - except KeyError: - warn("TODO: fetch tag '%s'" % name) + global tags, prefix + + ref = '%s/tags/%s' % (prefix, name) + print "reset %s" % ref + print "from :%u" % rev_to_mark(tags[name]) + print def do_import(parser): global dirname - branch = parser.repo + repo = parser.repo path = os.path.join(dirname, 'marks-git') print "feature done" if os.path.exists(path): print "feature import-marks=%s" % path print "feature export-marks=%s" % path + print "feature force" sys.stdout.flush() while parser.check('import'): 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' @@ -366,23 +421,21 @@ def parse_blob(parser): class CustomTree(): - def __init__(self, repo, revid, parents, files): + def __init__(self, branch, revid, parents, files): global files_cache - self.repo = repo - self.revid = revid - self.parents = parents self.updates = {} + self.branch = branch def copy_tree(revid): files = files_cache[revid] = {} - tree = repo.repository.revision_tree(revid) - repo.lock_read() + branch.lock_read() + tree = branch.repository.revision_tree(revid) try: for path, entry in tree.iter_entries_by_dir(): - files[path] = entry.file_id + files[path] = [entry.file_id, None] finally: - repo.unlock() + branch.unlock() return files if len(parents) == 0: @@ -395,12 +448,18 @@ class CustomTree(): self.base_files = copy_tree(self.base_id) self.files = files_cache[revid] = self.base_files.copy() + self.rev_files = {} + + for path, data in self.files.iteritems(): + fid, mark = data + self.rev_files[fid] = [path, mark] for path, f in files.iteritems(): - fid = self.files.get(path, None) + fid, mark = self.files.get(path, [None, None]) if not fid: fid = bzrlib.generate_ids.gen_file_id(path) f['path'] = path + self.rev_files[fid] = [path, mark] self.updates[fid] = f def last_revision(self): @@ -410,16 +469,16 @@ class CustomTree(): changes = [] def get_parent(dirname, basename): - parent_fid = self.base_files.get(dirname, None) + parent_fid, mark = self.base_files.get(dirname, [None, None]) if parent_fid: return parent_fid - parent_fid = self.files.get(dirname, None) + parent_fid, mark = self.files.get(dirname, [None, 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') + add_entry(fid, dirname, 'directory') return fid def add_entry(fid, path, kind, mode = None): @@ -440,9 +499,8 @@ class CustomTree(): (None, basename), (None, kind), (None, executable)) - self.files[path] = change[0] + self.files[path] = [change[0], None] changes.append(change) - return change def update_entry(fid, path, kind, mode = None): dirname, basename = os.path.split(path) @@ -462,9 +520,8 @@ class CustomTree(): (None, basename), (None, kind), (None, executable)) - self.files[path] = change[0] + self.files[path] = [change[0], None] changes.append(change) - return change def remove_entry(fid, path, kind): dirname, basename = os.path.split(path) @@ -479,7 +536,6 @@ class CustomTree(): (None, None)) del self.files[path] changes.append(change) - return change for fid, f in self.updates.iteritems(): path = f['path'] @@ -493,16 +549,38 @@ class CustomTree(): else: add_entry(fid, path, 'file', f['mode']) + self.files[path][1] = f['mark'] + self.rev_files[fid][1] = f['mark'] + return changes + def get_content(self, file_id): + path, mark = self.rev_files[file_id] + if mark: + return blob_marks[mark] + + # last resort + tree = self.branch.repository.revision_tree(self.base_id) + return tree.get_file_text(file_id) + def get_file_with_stat(self, file_id, path=None): - return (StringIO.StringIO(self.updates[file_id]['data']), None) + content = self.get_content(file_id) + return (StringIO.StringIO(content), None) def get_symlink_target(self, file_id): - return self.updates[file_id]['data'] + return self.get_content(file_id) + + def id2path(self, file_id): + path, mark = self.rev_files[file_id] + return path + +def c_style_unescape(string): + if string[0] == string[-1] == '"': + return string.decode('string-escape')[1:-1] + return string def parse_commit(parser): - global marks, blob_marks, bmarks, parsed_refs + global marks, blob_marks, parsed_refs global mode parents = [] @@ -510,8 +588,11 @@ def parse_commit(parser): 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 = bzrlib.branch.Branch.open(branches[name]) + else: + die('unknown ref') commit_mark = parser.get_mark() parser.next() @@ -528,34 +609,37 @@ def parse_commit(parser): parents.append(parser.get_mark()) parser.next() + # fast-export adds an extra newline + if data[-1] == '\n': + data = data[:-1] + 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] } + f = { 'mode' : m, 'mark' : mark } elif parser.check('D'): t, path = line.split(' ') f = { 'deleted' : True } else: die('Unknown file command: %s' % line) + path = c_style_unescape(path).decode('utf-8') files[path] = f - repo = 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'] = repo.nick + props['branch-nick'] = branch.nick - mtree = CustomTree(repo, revid, parents, files) + mtree = CustomTree(branch, revid, parents, files) changes = mtree.iter_changes() - repo.lock_write() + branch.lock_write() try: - builder = repo.get_commit_builder(parents, None, date, tz, committer, props, revid) + builder = branch.get_commit_builder(parents, None, date, tz, committer, props, revid) try: list(builder.record_iter_changes(mtree, mtree.last_revision(), changes)) builder.finish_inventory() @@ -564,7 +648,7 @@ def parse_commit(parser): builder.abort() raise finally: - repo.unlock() + branch.unlock() parsed_refs[ref] = revid marks.new_mark(revid, commit_mark) @@ -575,9 +659,6 @@ def parse_reset(parser): 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) @@ -590,7 +671,7 @@ def parse_reset(parser): parsed_refs[ref] = mark_to_rev(from_mark) def do_export(parser): - global parsed_refs, dirname, peer + global parsed_refs, dirname parser.next() @@ -608,22 +689,35 @@ def do_export(parser): 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() + if ref.startswith('refs/heads/'): + name = ref[len('refs/heads/'):] + branch = bzrlib.branch.Branch.open(branches[name]) + branch.generate_revision_history(revid, marks.get_tip(name)) + + if name in peers: + peer = bzrlib.branch.Branch.open(peers[name]) + try: + peer.bzrdir.push_branch(branch, revision_id=revid) + except bzrlib.errors.DivergedBranches: + print "error %s non-fast forward" % ref + continue + + try: + wt = branch.bzrdir.open_workingtree() + 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 + print def do_capabilities(parser): @@ -632,6 +726,7 @@ def do_capabilities(parser): print "import" print "export" print "refspec refs/heads/*:%s/heads/*" % prefix + print "refspec refs/tags/*:%s/tags/*" % prefix path = os.path.join(dirname, 'marks-git') @@ -641,66 +736,198 @@ def do_capabilities(parser): print +def ref_is_valid(name): + return not True in [c in name for c in '~^: \\'] + def do_list(parser): global tags - print "? refs/heads/%s" % 'master' - for tag, revid in parser.repo.tags.get_tag_dict().items(): + + master_branch = None + + for name in branches: + if not master_branch: + master_branch = name + print "? refs/heads/%s" % name + + branch = bzrlib.branch.Branch.open(branches[master_branch]) + branch.lock_read() + for tag, revid in branch.tags.get_tag_dict().items(): + try: + branch.revision_id_to_dotted_revno(revid) + except bzrlib.errors.NoSuchRevision: + continue + if not ref_is_valid(tag): + continue print "? refs/tags/%s" % tag tags[tag] = revid - print "@refs/heads/%s HEAD" % 'master' + branch.unlock() + + print "@refs/heads/%s HEAD" % master_branch print +def get_remote_branch(origin, remote_branch, name): + global dirname, peers + + branch_path = os.path.join(dirname, 'clone', name) + if os.path.exists(branch_path): + # pull + d = bzrlib.bzrdir.BzrDir.open(branch_path) + branch = d.open_branch() + try: + branch.pull(remote_branch, [], None, False) + except bzrlib.errors.DivergedBranches: + # use remote branch for now + return remote_branch + else: + # clone + d = origin.sprout(branch_path, None, + hardlink=True, create_tree_if_local=False, + force_new_repo=False, + source_branch=remote_branch) + branch = d.open_branch() + + return branch + +def find_branches(repo, wanted): + 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('/', '+') + + if wanted and not name in wanted: + continue + + try: + cur = transport.clone(subdir) + branch = bzrlib.branch.Branch.open_from_transport(cur) + except bzrlib.errors.NotBranchError: + continue + else: + yield name, branch + 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() - result = branch.pull(remote_branch, [], None, False) + if not os.path.exists(clone_path): + os.mkdir(clone_path) + else: + # 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 + + 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: + # branch + + name = 'master' + remote_branch = origin.open_branch() + + if not is_local: + peers[name] = remote_branch.base + branch = get_remote_branch(origin, remote_branch, name) 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 + branch = remote_branch + + branches[name] = branch.base + + return branch.repository else: - peer = None + # repository - return branch + wanted = get_config('remote-bzr.branches').rstrip().split(', ') + # stupid python + wanted = [e for e in wanted if e] + + for name, remote_branch in find_branches(repo, wanted): + + if not is_local: + peers[name] = remote_branch.base + branch = get_remote_branch(origin, remote_branch, name) + else: + branch = remote_branch + + branches[name] = branch.base + + return repo + +def fix_path(alias, orig_url): + url = urlparse.urlparse(orig_url, 'file') + if url.scheme != 'file' or os.path.isabs(url.path): + return + abs_url = urlparse.urljoin("%s/" % os.getcwd(), orig_url) + cmd = ['git', 'config', 'remote.%s.url' % alias, "bzr::%s" % abs_url] + 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] - prefix = 'refs/bzr/%s' % alias tags = {} filenodes = {} blob_marks = {} parsed_refs = {} files_cache = {} + marks = None + branches = {} + peers = {} + + if alias[5:] == url: + is_tmp = True + alias = hashlib.sha1(alias).hexdigest() + else: + is_tmp = False + prefix = 'refs/bzr/%s' % alias gitdir = os.environ['GIT_DIR'] dirname = os.path.join(gitdir, 'bzr', alias) + if not is_tmp: + fix_path(alias, url) + if not os.path.exists(dirname): os.makedirs(dirname) + if hasattr(bzrlib.ui.ui_factory, 'be_quiet'): + bzrlib.ui.ui_factory.be_quiet(True) + repo = get_repo(url, alias) marks_path = os.path.join(dirname, 'marks-int') @@ -720,6 +947,13 @@ def main(args): die('unhandled command: %s' % line) sys.stdout.flush() - marks.store() +def bye(): + if not marks: + return + if not is_tmp: + marks.store() + else: + shutil.rmtree(dirname) +atexit.register(bye) sys.exit(main(sys.argv)) |