def fsck(args):
parser = argparse.ArgumentParser()
parser.add_argument('--manifests',
action='store_true',
help='Validate manifests hashes')
parser.add_argument('--files',
action='store_true',
help='Validate files hashes')
parser.add_argument('commit',
nargs='*',
help='Specific commit or changeset to check')
args = parser.parse_args(args)
status = {
'broken': False,
'fixed': False,
}
def info(message):
sys.stderr.write('\r')
print message
def fix(message):
status['fixed'] = True
info(message)
def report(message):
status['broken'] = True
info(message)
store = GitHgStore()
store.init_fast_import(lambda: FastImport())
if args.commit:
all_hg2git = {}
all_notes = set()
commits = set()
all_git_commits = {}
for c in args.commit:
data = store.read_changeset_data(c)
if data:
all_notes.add(c)
commits.add(c)
c = data['changeset']
commit = GitHgHelper.hg2git(c)
if commit == NULL_NODE_ID and not data:
info('Unknown commit or changeset: %s' % c)
return 1
if commit != NULL_NODE_ID:
all_hg2git[c] = commit, 'commit'
if not data:
data = store.read_changeset_data(commit)
commits.add(commit)
if data:
all_notes.add(commit)
all_git_commits = Git.iter('log',
'--no-walk=unsorted',
'--stdin',
'--format=%T %H',
stdin=commits)
else:
all_hg2git = {
path.replace('/', ''): (filesha1, intern(typ))
for mode, typ, filesha1, path in progress_iter(
'Reading %d mercurial to git mappings',
Git.ls_tree('refs/cinnabar/hg2git', recursive=True))
}
all_notes = set(
path.replace('/', '')
for mode, typ, filesha1, path in progress_iter(
'Reading %d commit to changeset mappings',
Git.ls_tree('refs/notes/cinnabar', recursive=True)))
manifest_commits = OrderedDict((m, None) for m in progress_iter(
'Reading %d manifest trees',
Git.iter('rev-list', '--full-history', '--topo-order',
'refs/cinnabar/manifest')))
all_git_heads = Git.for_each_ref('refs/cinnabar/branches',
format='%(refname)')
all_git_commits = Git.iter('log',
'--topo-order',
'--full-history',
'--reverse',
'--stdin',
'--format=%T %H',
stdin=all_git_heads)
store._hg2git_cache = {p: s for p, (s, t) in all_hg2git.iteritems()}
seen_changesets = set()
seen_manifests = set()
seen_manifest_refs = {}
seen_files = set()
seen_notes = set()
hg_manifest = None
dag = gitdag()
for line in progress_iter('Checking %d changesets', all_git_commits):
tree, node = line.split(' ')
if node not in all_notes:
report('Missing note for git commit: ' + node)
continue
seen_notes.add(node)
changeset_data = store.read_changeset_data(node)
changeset = changeset_data['changeset']
if 'extra' in changeset_data:
extra = changeset_data['extra']
header, message = GitHgHelper.cat_file('commit',
node).split('\n\n', 1)
header = dict(l.split(' ', 1) for l in header.splitlines())
if 'committer' in extra:
committer_info = store.hg_author_info(header['committer'])
committer = '%s %d %d' % committer_info
if (committer != extra['committer']
and header['committer'] != extra['committer']
and committer_info[0] != extra['committer']):
report('Committer mismatch between commit and metadata for'
' changeset %s' % changeset)
if committer == extra['committer']:
fix('Fixing useless committer metadata for changeset %s' %
changeset)
del changeset_data['extra']['committer']
store._changesets[changeset] = LazyString(node)
if header['committer'] != header['author'] and not extra:
fix('Fixing useless empty extra metadata for changeset %s' %
changeset)
del changeset_data['extra']
store._changesets[changeset] = LazyString(node)
seen_changesets.add(changeset)
changeset_ref = store.changeset_ref(changeset)
if not changeset_ref:
report('Missing changeset in hg2git branch: %s' % changeset)
elif str(changeset_ref) != node:
report('Commit mismatch for changeset %s\n'
' hg2git: %s\n commit: %s' %
(changeset, changeset_ref, node))
hg_changeset = store.changeset(changeset, include_parents=True)
sha1 = hg_changeset.sha1
if hg_changeset.node != sha1:
try_fixup = False
if (changeset, sha1) in (
('8c557b7c03a4a753e5c163038f04862e9f65fce1',
'249b59139de8e08abeb6c4e261a137c756e7af0e'),
('ffdee4a4eb7fc7cae80dfc4cb2fe0c3178773dcf',
'415e9d2eac83d508bf58a4df585c5f6b2b0f44ed'),
):
header = hg_changeset.data.split('\n', 4)
start = sum(len(h) for h in header[:3]) + 1
changeset_data['patch'] = ((start, start + 1, '1'), )
try_fixup = True
# Some know cases of corruptions involve a whitespace after the
# timezone. Adding an empty extra metadata works around those.
elif 'extra' not in changeset_data:
changeset_data['extra'] = {}
try_fixup = True
if try_fixup:
hg_changeset = store.changeset(changeset, include_parents=True)
sha1 = hg_changeset.sha1
if hg_changeset.node == sha1:
fix('Fixing known sha1 mismatch for changeset %s' %
changeset)
store._changesets[changeset] = LazyString(node)
if hg_changeset.node != sha1:
report('Sha1 mismatch for changeset %s' % changeset)
dag.add(hg_changeset.node,
(hg_changeset.parent1, hg_changeset.parent2),
changeset_data.get('extra', {}).get('branch', 'default'))
manifest = changeset_data['manifest']
if manifest in seen_manifests:
continue
seen_manifests.add(manifest)
manifest_ref = store.manifest_ref(manifest)
if manifest_ref:
seen_manifest_refs[manifest_ref] = manifest
if not manifest_ref:
report('Missing manifest in hg2git branch: %s' % manifest)
elif not args.commit and manifest_ref not in manifest_commits:
report('Missing manifest commit in manifest branch: %s' %
manifest_ref)
if args.manifests or args.files:
parents = tuple(
store.read_changeset_data(store.changeset_ref(p))['manifest']
for p in (hg_changeset.parent1, hg_changeset.parent2)
if p != NULL_NODE_ID)
if args.manifests:
try:
with GitHgHelper.query('check-manifest', manifest,
*parents) as stdout:
if stdout.readline().strip() != 'ok':
report('Sha1 mismatch for manifest %s' % manifest)
except NoHelperException:
hg_manifest = store.manifest(manifest)
hg_manifest.set_parents(*parents)
if hg_manifest.node != hg_manifest.sha1:
report('Sha1 mismatch for manifest %s' % manifest)
git_ls = one(Git.ls_tree(manifest_ref, 'git'))
if git_ls:
mode, typ, sha1, path = git_ls
else:
header, message = GitHgHelper.cat_file('commit',
manifest_ref).split(
'\n\n', 1)
header = dict(l.split(' ', 1) for l in header.splitlines())
if header['tree'] == EMPTY_TREE:
sha1 = EMPTY_TREE
else:
report('Missing git tree in manifest commit %s' % manifest_ref)
sha1 = None
if sha1 and sha1 != tree:
report('Tree mismatch between manifest commit %s and commit %s' %
(manifest_ref, node))
if args.files:
changes = get_changes(
manifest_ref, tuple(store.manifest_ref(p) for p in parents),
'hg')
for path, hg_file, hg_fileparents in changes:
if hg_file != NULL_NODE_ID and hg_file not in seen_files:
file = store.file(hg_file)
file.set_parents(*hg_fileparents)
if file.node != file.sha1:
report('Sha1 mismatch for file %s in manifest %s' %
(hg_file, manifest_ref))
seen_files.add(hg_file)
if args.files:
all_hg2git = set(all_hg2git.iterkeys())
else:
all_hg2git = set(k for k, (s, t) in all_hg2git.iteritems()
if t == 'commit')
adjusted = {}
if not args.commit:
dangling = set(manifest_commits) - set(seen_manifest_refs)
if dangling:
def iter_manifests():
removed_one = False
yielded = False
previous = None
for obj in reversed(manifest_commits):
if obj in dangling:
fix('Removing metadata commit %s with no hg2git entry'
% obj)
removed_one = True
else:
if removed_one:
yield obj, previous
yielded = True
previous = obj
if removed_one and not yielded:
yield obj, False
for obj, parent in progress_iter('Adjusting %d metadata commits',
iter_manifests()):
mark = store._fast_import.new_mark()
if parent is False:
Git.update_ref('refs/cinnabar/manifest', obj)
continue
elif parent:
parents = (adjusted.get(parent, parent), )
with store._fast_import.commit(ref='refs/cinnabar/manifest',
parents=parents,
mark=mark) as commit:
mode, typ, tree, path = store._fast_import.ls(obj)
commit.filemodify('', tree, typ='tree')
adjusted[obj] = Mark(mark)
dangling = all_hg2git - seen_changesets - seen_manifests - seen_files
if dangling or adjusted:
with store._fast_import.commit(
ref='refs/cinnabar/hg2git',
parents=('refs/cinnabar/hg2git^0', )) as commit:
for obj in dangling:
fix('Removing dangling metadata for ' + obj)
commit.filedelete(sha1path(obj))
for obj, mark in progress_iter(
'Updating hg2git for %d metadata commits',
adjusted.iteritems()):
commit.filemodify(sha1path(seen_manifest_refs[obj]),
mark,
typ='commit')
dangling = all_notes - seen_notes
if dangling:
with store._fast_import.commit(
ref='refs/notes/cinnabar',
parents=('refs/notes/cinnabar^0', )) as commit:
for c in dangling:
fix('Removing dangling note for commit ' + c)
# That's brute force, but meh.
for l in range(0, 10):
commit.filedelete(sha1path(c, l))
if status['broken']:
info('Your git-cinnabar repository appears to be corrupted. There\n'
'are known issues in older revisions that have been fixed.\n'
'Please try running the following command to reset:\n'
' git cinnabar reclone\n\n'
'Please note this command may change the commit sha1s. Your\n'
'local branches will however stay untouched.\n'
'Please report any corruption that fsck would detect after a\n'
'reclone.')
if not args.commit:
info('Checking head references...')
computed_heads = defaultdict(set)
for branch, head in dag.all_heads():
computed_heads[branch].add(head)
for branch in sorted(dag.tags()):
stored_heads = store.heads({branch})
for head in computed_heads[branch] - stored_heads:
fix('Adding missing head %s in branch %s' % (head, branch))
store.add_head(head)
for head in stored_heads - computed_heads[branch]:
fix('Removing non-head reference to %s in branch %s' %
(head, branch))
store._hgheads.remove((branch, head))
store.close()
if status['broken']:
return 1
if status['fixed']:
return 2
return 0
def main(args):
logger = logging.getLogger('-')
logger.info(args)
assert len(args) == 2
remote, url = args
git_dir = os.environ.get('GIT_DIR')
if Git.config('core.ignorecase', 'bool') == 'true':
sys.stderr.write(
'Your git configuration has core.ignorecase set to "true".\n'
'Usually, this means git detected the file system is case '
'insensitive.\n'
'Git-cinnabar does not support this setup.\n'
'Either use a case sensitive file system or set '
'core.ignorecase to "false".\n')
git_work_tree = os.path.dirname(git_dir)
if os.path.abspath(os.getcwd() + os.sep).startswith(
os.path.abspath(git_work_tree) + os.sep) or \
remote == 'hg::' + url or tuple(
Git.for_each_ref('refs/remotes/%s' % remote)):
sys.stderr.write('Use the following command to reclone:\n'
' git cinnabar reclone\n')
else:
sys.stderr.write(
'Use the following command to clone:\n'
' git -c core.ignorecase=false clone%(args)s hg::%(url)s '
'%(dir)s\n' % {
'dir': git_work_tree,
'url': url,
'args': ' -o ' + remote if remote != 'origin' else ''
})
return 1
repo = get_repo(url)
store = GitHgStore()
logger.info(LazyString(lambda: '%s' % store.heads()))
helper = IOLogger(logging.getLogger('remote-helper'), sys.stdin,
sys.stdout)
branchmap = None
bookmarks = {}
HEAD = 'branches/default/tip'
while True:
cmd, args = read_cmd(helper)
if not cmd:
break
if cmd == 'capabilities':
assert not args
helper.write('option\n'
'import\n'
'bidi-import\n'
'push\n'
'refspec refs/heads/branches/*:'
'refs/cinnabar/refs/heads/branches/*\n'
'refspec refs/heads/bookmarks/*:'
'refs/cinnabar/refs/heads/bookmarks/*\n'
'refspec HEAD:refs/cinnabar/HEAD\n'
'\n')
helper.flush()
elif cmd == 'list':
assert not args or args == ['for-push']
if repo.capable('batch'):
batch = repo.batch()
branchmap = batch.branchmap()
heads = batch.heads()
bookmarks = batch.listkeys('bookmarks')
batch.submit()
branchmap = branchmap.value
heads = heads.value
bookmarks = bookmarks.value
else:
while True:
branchmap = repo.branchmap()
heads = repo.heads()
if heads == ['\0' * 20]:
heads = []
# Some branch heads can be non-heads topologically, but if
# some heads don't appear in the branchmap, then something
# was pushed to the repo between branchmap() and heads()
if set(heads).issubset(set(chain(*branchmap.values()))):
break
bookmarks = repo.listkeys('bookmarks')
branchmap = BranchMap(store, branchmap, heads)
unknowns = False
for branch in sorted(branchmap.names()):
branch_tip = branchmap.tip(branch)
for head in sorted(branchmap.heads(branch)):
sha1 = branchmap.git_sha1(head)
if sha1 == '?':
unknowns = True
if head == branch_tip:
continue
helper.write('%s refs/heads/branches/%s/%s\n' % (
sha1,
branch,
head,
))
if branch_tip:
helper.write('%s refs/heads/branches/%s/tip\n' % (
branchmap.git_sha1(branch_tip),
branch,
))
for name, sha1 in sorted(bookmarks.iteritems()):
ref = store.changeset_ref(sha1)
helper.write('%s refs/heads/bookmarks/%s\n' %
(ref if ref else '?', name))
if not unknowns:
for tag, ref in sorted(store.tags(branchmap.heads())):
helper.write('%s refs/tags/%s\n' % (ref, tag))
if '@' in bookmarks:
HEAD = 'bookmarks/@'
helper.write('@refs/heads/%s HEAD\n' '\n' % HEAD)
helper.flush()
elif cmd == 'option':
assert len(args) == 2
name, value = args
if name == 'progress':
if value == 'true':
cinnabar.util.progress = True
helper.write('ok\n')
elif value == 'false':
cinnabar.util.progress = False
helper.write('ok\n')
else:
helper.write('unsupported\n')
else:
helper.write('unsupported\n')
helper.flush()
elif cmd == 'import':
try:
reflog = os.path.join(git_dir, 'logs', 'refs', 'cinnabar')
mkpath(reflog)
open(os.path.join(reflog, 'hg2git'), 'a').close()
open(os.path.join(reflog, 'manifest'), 'a').close()
assert len(args) == 1
refs = args
while cmd:
assert cmd == 'import'
cmd, args = read_cmd(helper)
assert args is None or len(args) == 1
if args:
refs.extend(args)
except:
# If anything wrong happens before we got all the import
# commands, we risk git picking the existing refs/cinnabar
# refs. Remove them.
for line in Git.for_each_ref('refs/cinnabar/refs/heads',
'refs/cinnabar/HEAD',
format='%(refname)'):
Git.delete_ref(ref)
raise
try:
def resolve_head(head):
if head.startswith('refs/heads/branches/'):
head = head[20:]
if head[-4:] == '/tip':
return branchmap.tip(head[:-4])
return head[-40:]
if head.startswith('refs/heads/bookmarks/'):
head = head[21:]
return bookmarks[head]
if head == 'HEAD':
return bookmarks.get('@') or branchmap.tip('default')
return None
wanted_refs = {
k: v
for k, v in ((h, resolve_head(h)) for h in refs) if v
}
heads = wanted_refs.values()
if not heads:
heads = branchmap.heads()
# Older versions would create a symbolic ref for
# refs/remote-hg/HEAD. Newer versions don't, and
# Git.update_ref doesn't remove the symbolic ref, so it needs
# to be removed first.
# Since git symbolic-ref only throws an error when the ref is
# not symbolic, just try to remove the symbolic ref every time
# and ignore errors.
tuple(
Git.iter('symbolic-ref',
'-d',
'refs/remote-hg/HEAD',
stderr=open(os.devnull, 'wb')))
refs_orig = {}
for line in Git.for_each_ref(
'refs/cinnabar/refs/heads',
'refs/cinnabar/HEAD',
format='%(objectname) %(refname)'):
sha1, ref = line.split(' ', 1)
refs_orig[ref] = sha1
except:
# If anything wrong happens before we actually pull, we risk
# git pucking the existing refs/cinnabar refs. Remove them.
# Unlike in the case above, we now have the list of refs git
# is expected, so we can just remove those.
for ref in refs:
Git.delete_ref('refs/cinnabar/' + ref)
raise
try:
store.init_fast_import(FastImport(sys.stdin, sys.stdout))
getbundle(repo, store, heads, branchmap)
except:
wanted_refs = {}
raise
finally:
for ref, value in wanted_refs.iteritems():
ref = 'refs/cinnabar/' + ref
if ref not in refs_orig or refs_orig[ref] != value:
Git.update_ref(ref, store.changeset_ref(value))
for ref in refs_orig:
if ref[14:] not in wanted_refs:
Git.delete_ref(ref)
store.close()
if not remote.startswith('hg::'):
prune = 'remote.%s.prune' % remote
if (Git.config(prune) != 'true'
and Git.config('fetch.prune') != 'true'):
sys.stderr.write(
'It is recommended that you set "%(conf)s" or '
'"fetch.prune" to "true".\n'
' git config %(conf)s true\n'
'or\n'
' git config fetch.prune true\n' % {'conf': prune})
if store.tag_changes:
sys.stderr.write(
'\nRun the following command to update remote tags:\n')
if not remote.startswith('hg::'):
sys.stderr.write(' git remote update %s\n' % remote)
else:
sys.stderr.write(' git fetch --tags %s\n' % remote)
elif cmd == 'push':
if not remote.startswith('hg::'):
data_pref = 'remote.%s.cinnabar-data' % remote
data = Git.config(data_pref) or 'phase'
else:
data = 'phase'
if data not in ('never', 'phase', 'always'):
sys.stderr.write('Invalid value for %s: %s\n' %
(data_pref, data))
return 1
refspecs = []
refspecs.extend(args)
while True:
cmd, args = read_cmd(helper)
if not cmd:
break
assert cmd == 'push'
refspecs.extend(args)
pushes = {
s.lstrip('+'): (d, s.startswith('+'))
for s, d in (r.split(':', 1) for r in refspecs)
}
if isinstance(repo, bundlerepo):
for source, (dest, force) in pushes.iteritems():
helper.write('error %s Cannot push to a bundle file\n' %
dest)
helper.write('\n')
helper.flush()
else:
repo_heads = branchmap.heads()
PushStore.adopt(store)
pushed = push(repo, store, pushes, repo_heads,
branchmap.names())
status = {}
for source, (dest, _) in pushes.iteritems():
if dest.startswith('refs/tags/'):
if source:
status[dest] = 'Pushing tags is unsupported'
else:
status[dest] = \
'Deleting remote tags is unsupported'
continue
if not dest.startswith('refs/heads/bookmarks/'):
if source:
status[dest] = bool(len(pushed))
else:
status[dest] = \
'Deleting remote branches is unsupported'
continue
name = dest[21:]
if source:
source = store.hg_changeset(Git.resolve_ref(source)) \
or ''
status[dest] = repo.pushkey('bookmarks', name,
bookmarks.get(name, ''),
source)
for source, (dest, force) in pushes.iteritems():
if status[dest] is True:
helper.write('ok %s\n' % dest)
elif status[dest]:
helper.write('error %s %s\n' % (dest, status[dest]))
else:
helper.write('error %s nothing changed on remote\n' %
dest)
helper.write('\n')
helper.flush()
if not pushed:
data = False
elif data == 'always':
data = True
elif data == 'phase':
phases = repo.listkeys('phases')
drafts = {}
if not phases.get('publishing', False):
drafts = set(p for p, is_draft in phases.iteritems()
if int(is_draft))
if not drafts:
data = True
else:
def draft_commits():
for d in drafts:
c = store.changeset_ref(d)
if c:
yield '^%s^@' % c
for h in pushed.heads():
yield h
args = [
'rev-list', '--ancestry-path', '--topo-order',
'--stdin'
]
pushed_drafts = tuple(
Git.iter(*args, stdin=draft_commits()))
# Theoretically, we could have commits with no
# metadata that the remote declares are public, while
# the rest of our push is in a draft state. That is
# however so unlikely that it's not worth the effort
# to support partial metadata storage.
data = not bool(pushed_drafts)
elif data == 'never':
data = False
store.close(rollback=not data)
store.close()