def git_commit(name, repository, branch_name=None):
"""Return the a Commit object if 'name' is a patch name or Git commit.
The patch names allowed are in the form '<branch>:<patch>' and can
be followed by standard symbols used by git rev-parse. If <patch>
is '{base}', it represents the bottom of the stack. If <patch> is
{public}, it represents the public branch corresponding to the stack as
described in the 'publish' command.
"""
# Try a [branch:]patch name first
branch, patch = parse_rev(name)
if not branch:
branch = branch_name or repository.current_branch_name
# The stack base
if patch.startswith('{base}'):
base_id = repository.get_stack(branch).base.sha1
return repository.rev_parse(base_id + strip_prefix('{base}', patch))
elif patch.startswith('{public}'):
public_ref = get_public_ref(branch)
return repository.rev_parse(public_ref +
strip_prefix('{public}', patch),
discard_stderr=True)
# Other combination of branch and patch
try:
return repository.rev_parse('patches/%s/%s' % (branch, patch),
discard_stderr=True)
except RepositoryException:
pass
# Try a Git commit
try:
return repository.rev_parse(name, discard_stderr=True)
except RepositoryException:
raise CmdException('%s: Unknown patch or revision name' % name)
def get_head_file():
"""Return the name of the file pointed to by the HEAD symref.
Throw an exception if HEAD is detached."""
try:
return strip_prefix(
'refs/heads/', GRun('symbolic-ref', '-q', 'HEAD'
).output_one_line())
except GitRunException:
raise DetachedHeadException()
def get_head_file():
"""Return the name of the file pointed to by the HEAD symref.
Throw an exception if HEAD is detached."""
try:
return strip_prefix(
'refs/heads/',
GRun('symbolic-ref', '-q', 'HEAD').output_one_line())
except GitRunException:
raise DetachedHeadException()
def metavar(self):
o = self.get_option()
if not o.takes_value():
return None
if o.metavar:
return o.metavar
for flag in self.pargs:
if flag.startswith('--'):
return utils.strip_prefix('--', flag).upper()
raise Exception('Cannot determine metavar')
def metavar(self):
o = self.get_option()
if not o.takes_value():
return None
if o.metavar:
return o.metavar
for flag in self.pargs:
if flag.startswith('--'):
return utils.strip_prefix('--', flag).upper()
raise Exception('Cannot determine metavar')
def git_commit(name, repository, branch_name = None):
"""Return the a Commit object if 'name' is a patch name or Git commit.
The patch names allowed are in the form '<branch>:<patch>' and can
be followed by standard symbols used by git rev-parse. If <patch>
is '{base}', it represents the bottom of the stack. If <patch> is
{public}, it represents the public branch corresponding to the stack as
described in the 'publish' command.
"""
# Try a [branch:]patch name first
branch, patch = parse_rev(name)
if not branch:
branch = branch_name or repository.current_branch_name
# The stack base
if patch.startswith('{base}'):
base_id = repository.get_stack(branch).base.sha1
return repository.rev_parse(base_id +
strip_prefix('{base}', patch))
elif patch.startswith('{public}'):
public_ref = get_public_ref(branch)
return repository.rev_parse(public_ref +
strip_prefix('{public}', patch),
discard_stderr = True)
# Other combination of branch and patch
try:
return repository.rev_parse('patches/%s/%s' % (branch, patch),
discard_stderr = True)
except libgit.RepositoryException:
pass
# Try a Git commit
try:
return repository.rev_parse(name, discard_stderr = True)
except libgit.RepositoryException:
raise CmdException('%s: Unknown patch or revision name' % name)
def _parse_metadata(repo, metadata):
"""Parse a stack log metadata string."""
if not metadata.startswith('Version:'):
raise LogParseException('Malformed log metadata')
metadata = metadata.splitlines()
version_str = utils.strip_prefix('Version:', metadata.pop(0)).strip()
try:
version = int(version_str)
except ValueError:
raise LogParseException('Malformed version number: %r' %
version_str)
if version < 1:
raise LogException('Log is version %d, which is too old' % version)
if version > 1:
raise LogException('Log is version %d, which is too new' % version)
parsed = {}
key = None
for line in metadata:
if line.startswith(' '):
assert key is not None
parsed[key].append(line.strip())
else:
key, val = [x.strip() for x in line.split(':', 1)]
if val:
parsed[key] = val
else:
parsed[key] = []
prev = parsed['Previous']
if prev == 'None':
prev = None
else:
prev = repo.get_commit(prev)
head = repo.get_commit(parsed['Head'])
lists = {'Applied': [], 'Unapplied': [], 'Hidden': []}
patches = {}
for lst in lists:
for entry in parsed[lst]:
pn, sha1 = [x.strip() for x in entry.split(':')]
lists[lst].append(pn)
patches[pn] = repo.get_commit(sha1)
return (
prev,
head,
lists['Applied'],
lists['Unapplied'],
lists['Hidden'],
patches,
)
def git_describe_version():
path = sys.path[0]
try:
v = Run('git', 'describe', '--tags', '--abbrev=4'
).cwd(path).output_one_line()
except RunException as e:
raise VersionUnavailable(str(e))
if not re.match(r'^v[0-9]', v):
raise VersionUnavailable('%s: bad version' % v)
try:
dirty = Run('git', 'diff-index', '--name-only', 'HEAD'
).cwd(path).raw_output()
except RunException as e:
raise VersionUnavailable(str(e))
if dirty:
v += '-dirty'
return utils.strip_prefix('v', v)
def __parse_metadata(repo, metadata):
"""Parse a stack log metadata string."""
if not metadata.startswith('Version:'):
raise LogParseException('Malformed log metadata')
metadata = metadata.splitlines()
version_str = utils.strip_prefix('Version:', metadata.pop(0)).strip()
try:
version = int(version_str)
except ValueError:
raise LogParseException(
'Malformed version number: %r' % version_str)
if version < 1:
raise LogException('Log is version %d, which is too old' % version)
if version > 1:
raise LogException('Log is version %d, which is too new' % version)
parsed = {}
for line in metadata:
if line.startswith(' '):
parsed[key].append(line.strip())
else:
key, val = [x.strip() for x in line.split(':', 1)]
if val:
parsed[key] = val
else:
parsed[key] = []
prev = parsed['Previous']
if prev == 'None':
prev = None
else:
prev = repo.get_commit(prev)
head = repo.get_commit(parsed['Head'])
lists = { 'Applied': [], 'Unapplied': [], 'Hidden': [] }
patches = {}
for lst in lists.keys():
for entry in parsed[lst]:
pn, sha1 = [x.strip() for x in entry.split(':')]
lists[lst].append(pn)
patches[pn] = repo.get_commit(sha1)
return (prev, head, lists['Applied'], lists['Unapplied'],
lists['Hidden'], patches)
def append_alias_commands(cmd_list):
for (name, command) in config.getstartswith('stgit.alias.'):
name = utils.strip_prefix('stgit.alias.', name)
cmd_list[name] = (CommandAlias(name, command),
'Alias commands', command)
def append_alias_commands(cmd_list):
for (name, command) in config.getstartswith('stgit.alias.'):
name = utils.strip_prefix('stgit.alias.', name)
cmd_list[name] = (CommandAlias(name,
command), 'Alias commands', command)
def current_branch_name(self):
"""Return the name of the current branch."""
return utils.strip_prefix('refs/heads/', self.head_ref)
def func(parser, options, args):
"""Publish the stack changes."""
repository = directory.repository
stack = repository.get_stack(options.branch)
if not args:
public_ref = common.get_public_ref(stack.name)
elif len(args) == 1:
public_ref = args[0]
else:
parser.error('incorrect number of arguments')
if not public_ref.startswith('refs/heads/'):
public_ref = 'refs/heads/' + public_ref
# just clone the stack if the public ref does not exist
if not repository.refs.exists(public_ref):
if options.unpublished or options.last:
raise common.CmdException('"%s" does not exist' % public_ref)
repository.refs.set(public_ref, stack.head, 'publish')
out.info('Created "%s"' % public_ref)
return
public_head = repository.refs.get(public_ref)
public_tree = public_head.data.tree
# find the last published patch
if options.last:
last = __get_last(stack, public_tree)
if not last:
raise common.CmdException(
'Unable to find the last published patch '
'(possibly rebased stack)'
)
out.info('%s' % last)
return
# check for same tree (already up to date)
if public_tree.sha1 == stack.head.data.tree.sha1:
out.info('"%s" already up to date' % public_ref)
return
# check for unpublished patches
if options.unpublished:
published = set(__get_published(stack, public_tree))
for p in stack.patchorder.applied:
if p not in published:
out.stdout(p)
return
if options.overwrite:
repository.refs.set(public_ref, stack.head, 'publish')
out.info('Overwrote "%s"' % public_ref)
return
# check for rebased stack. In this case we emulate a merge with the stack
# base by setting two parents.
merge_bases = set(repository.get_merge_bases(public_head, stack.base))
if public_head in merge_bases:
# fast-forward the public ref
repository.refs.set(public_ref, stack.head, 'publish')
out.info('Fast-forwarded "%s"' % public_ref)
return
if stack.base not in merge_bases:
message = 'Merge %s into %s' % (
repository.describe(stack.base).strip(),
utils.strip_prefix('refs/heads/', public_ref),
)
public_head = __create_commit(
repository,
stack.head.data.tree,
[public_head, stack.base],
options,
message,
)
repository.refs.set(public_ref, public_head, 'publish')
out.info('Merged the stack base into "%s"' % public_ref)
return
# check for new patches from the last publishing. This is done by checking
# whether the public tree is the same as the bottom of the checked patch.
# If older patches were modified, new patches cannot be detected. The new
# patches and their metadata are pushed directly to the published head.
for p in stack.patchorder.applied:
pc = stack.patches.get(p).commit
if public_tree.sha1 == pc.data.parent.data.tree.sha1:
if pc.data.is_nochange():
out.info('Ignored new empty patch "%s"' % p)
continue
cd = pc.data.set_parent(public_head)
public_head = repository.commit(cd)
public_tree = public_head.data.tree
out.info('Published new patch "%s"' % p)
# create a new commit (only happens if no new patches are detected)
if public_tree.sha1 != stack.head.data.tree.sha1:
public_head = __create_commit(repository, stack.head.data.tree,
[public_head], options)
# update the public head
repository.refs.set(public_ref, public_head, 'publish')
out.info('Updated "%s"' % public_ref)
def func(parser, options, args):
"""Publish the stack changes."""
repository = directory.repository
stack = repository.get_stack(options.branch)
if not args:
public_ref = common.get_public_ref(stack.name)
elif len(args) == 1:
public_ref = args[0]
else:
parser.error('incorrect number of arguments')
if not public_ref.startswith('refs/heads/'):
public_ref = 'refs/heads/' + public_ref
# just clone the stack if the public ref does not exist
if not repository.refs.exists(public_ref):
if options.unpublished or options.last:
raise common.CmdException('"%s" does not exist' % public_ref)
repository.refs.set(public_ref, stack.head, 'publish')
out.info('Created "%s"' % public_ref)
return
public_head = repository.refs.get(public_ref)
public_tree = public_head.data.tree
# find the last published patch
if options.last:
last = __get_last(stack, public_tree)
if not last:
raise common.CmdException('Unable to find the last published patch '
'(possibly rebased stack)')
out.info('%s' % last)
return
# check for same tree (already up to date)
if public_tree.sha1 == stack.head.data.tree.sha1:
out.info('"%s" already up to date' % public_ref)
return
# check for unpublished patches
if options.unpublished:
published = set(__get_published(stack, public_tree))
for p in stack.patchorder.applied:
if p not in published:
print p
return
# check for rebased stack. In this case we emulate a merge with the stack
# base by setting two parents.
merge_bases = set(repository.get_merge_bases(public_head, stack.base))
if public_head in merge_bases:
# fast-forward the public ref
repository.refs.set(public_ref, stack.head, 'publish')
out.info('Fast-forwarded "%s"' % public_ref)
return
if not stack.base in merge_bases:
message = 'Merge %s into %s' % (repository.describe(stack.base).strip(),
utils.strip_prefix('refs/heads/',
public_ref))
public_head = __create_commit(repository, stack.head.data.tree,
[public_head, stack.base], options,
message)
repository.refs.set(public_ref, public_head, 'publish')
out.info('Merged the stack base into "%s"' % public_ref)
return
# check for new patches from the last publishing. This is done by checking
# whether the public tree is the same as the bottom of the checked patch.
# If older patches were modified, new patches cannot be detected. The new
# patches and their metadata are pushed directly to the published head.
for p in stack.patchorder.applied:
pc = stack.patches.get(p).commit
if public_tree.sha1 == pc.data.parent.data.tree.sha1:
if pc.data.is_nochange():
out.info('Ignored new empty patch "%s"' % p)
continue
cd = pc.data.set_parent(public_head)
public_head = repository.commit(cd)
public_tree = public_head.data.tree
out.info('Published new patch "%s"' % p)
# create a new commit (only happens if no new patches are detected)
if public_tree.sha1 != stack.head.data.tree.sha1:
public_head = __create_commit(repository, stack.head.data.tree,
[public_head], options)
# update the public head
repository.refs.set(public_ref, public_head, 'publish')
out.info('Updated "%s"' % public_ref)
def current_branch_name(self):
"""Return the name of the current branch."""
return utils.strip_prefix('refs/heads/', self.head_ref)
path = sys.path[0]
try:
v = run.Run('git', 'describe', '--tags', '--abbrev=4'
).cwd(path).output_one_line()
except run.RunException, e:
raise VersionUnavailable(str(e))
if not re.match(r'^v[0-9]', v):
raise VersionUnavailable('%s: bad version' % v)
try:
dirty = run.Run('git', 'diff-index', '--name-only', 'HEAD'
).cwd(path).raw_output()
except run.RunException, e:
raise VersionUnavailable(str(e))
if dirty:
v += '-dirty'
return utils.strip_prefix('v', v)
def builtin_version():
try:
import builtin_version as bv
except ImportError:
raise VersionUnavailable()
else:
return bv.version
def _builtin_version_file(ext = 'py'):
return os.path.join(sys.path[0], 'stgit', 'builtin_version.%s' % ext)
def write_builtin_version():
try:
v = git_describe_version()