def _get_field(self, name, multiline = False):
id_file = os.path.join(self.__dir, name)
if os.path.isfile(id_file):
line = read_string(id_file, multiline)
if line == '':
return None
else:
return line
else:
return None
def _get_field(self, name, multiline=False):
id_file = os.path.join(self.__dir, name)
if os.path.isfile(id_file):
line = read_string(id_file, multiline)
if line == '':
return None
else:
return line
else:
return None
def old_commit(self):
"""Return the previous commit for this patch."""
fn = os.path.join(self._compat_dir, 'top.old')
if not os.path.isfile(fn):
return None
return self._stack.repository.get_commit(utils.read_string(fn))
def update_to_current_format_version(repository, branch):
"""Update a potentially older StGit directory structure to the latest
version. Note: This function should depend as little as possible
on external functions that may change during a format version
bump, since it must remain able to process older formats."""
branch_dir = os.path.join(repository.directory, 'patches', branch)
key = format_version_key(branch)
old_key = 'branch.%s.stgitformatversion' % branch
def get_format_version():
"""Return the integer format version number, or None if the
branch doesn't have any StGit metadata at all, of any version."""
fv = config.get(key)
ofv = config.get(old_key)
if fv:
# Great, there's an explicitly recorded format version
# number, which means that the branch is initialized and
# of that exact version.
return int(fv)
elif ofv:
# Old name for the version info: upgrade it.
config.set(key, ofv)
config.unset(old_key)
return int(ofv)
elif os.path.isdir(os.path.join(branch_dir, 'patches')):
# There's a .git/patches/<branch>/patches dirctory, which
# means this is an initialized version 1 branch.
return 1
elif os.path.isdir(branch_dir):
# There's a .git/patches/<branch> directory, which means
# this is an initialized version 0 branch.
return 0
else:
# The branch doesn't seem to be initialized at all.
return None
def set_format_version(v):
out.info('Upgraded branch %s to format version %d' % (branch, v))
config.set(key, '%d' % v)
def mkdir(d):
if not os.path.isdir(d):
os.makedirs(d)
def rm(f):
if os.path.exists(f):
os.remove(f)
def rm_ref(ref):
if repository.refs.exists(ref):
repository.refs.delete(ref)
# Update 0 -> 1.
if get_format_version() == 0:
mkdir(os.path.join(branch_dir, 'trash'))
patch_dir = os.path.join(branch_dir, 'patches')
mkdir(patch_dir)
refs_base = 'refs/patches/%s' % branch
with open(os.path.join(branch_dir, 'unapplied')) as f:
patches = f.readlines()
with open(os.path.join(branch_dir, 'applied')) as f:
patches.extend(f.readlines())
for patch in patches:
patch = patch.strip()
os.rename(os.path.join(branch_dir, patch),
os.path.join(patch_dir, patch))
topfield = os.path.join(patch_dir, patch, 'top')
if os.path.isfile(topfield):
top = utils.read_string(topfield)
else:
top = None
if top:
repository.refs.set(
refs_base + '/' + patch,
repository.get_commit(top),
'StGit upgrade',
)
set_format_version(1)
# Update 1 -> 2.
if get_format_version() == 1:
desc_file = os.path.join(branch_dir, 'description')
if os.path.isfile(desc_file):
desc = utils.read_string(desc_file)
if desc:
config.set('branch.%s.description' % branch, desc)
rm(desc_file)
rm(os.path.join(branch_dir, 'current'))
rm_ref('refs/bases/%s' % branch)
set_format_version(2)
# Update 2 -> 3
if get_format_version() == 2:
protect_file = os.path.join(branch_dir, 'protected')
if os.path.isfile(protect_file):
config.set('branch.%s.stgit.protect' % branch, 'true')
os.remove(protect_file)
set_format_version(3)
# compatibility with the new infrastructure. The changes here do not
# affect the compatibility with the old infrastructure (format version 2)
if get_format_version() == 3:
hidden_file = os.path.join(branch_dir, 'hidden')
if not os.path.isfile(hidden_file):
utils.create_empty_file(hidden_file)
# Make sure we're at the latest version.
fv = get_format_version()
if fv not in [None, FORMAT_VERSION]:
raise StackException('Branch %s is at format version %d, expected %d'
% (branch, fv, FORMAT_VERSION))
return fv is not None # true if branch is initialized
def old_commit(self):
"""Return the previous commit for this patch."""
fn = os.path.join(self.__compat_dir, 'top.old')
if not os.path.isfile(fn):
return None
return self.__stack.repository.get_commit(utils.read_string(fn))
def update_to_current_format_version(repository, branch):
"""Update a potentially older StGit directory structure to the latest
version. Note: This function should depend as little as possible
on external functions that may change during a format version
bump, since it must remain able to process older formats."""
branch_dir = os.path.join(repository.directory, 'patches', branch)
key = format_version_key(branch)
old_key = 'branch.%s.stgitformatversion' % branch
def get_format_version():
"""Return the integer format version number, or None if the
branch doesn't have any StGit metadata at all, of any version."""
fv = config.get(key)
ofv = config.get(old_key)
if fv:
# Great, there's an explicitly recorded format version
# number, which means that the branch is initialized and
# of that exact version.
return int(fv)
elif ofv:
# Old name for the version info: upgrade it.
config.set(key, ofv)
config.unset(old_key)
return int(ofv)
elif os.path.isdir(os.path.join(branch_dir, 'patches')):
# There's a .git/patches/<branch>/patches dirctory, which
# means this is an initialized version 1 branch.
return 1
elif os.path.isdir(branch_dir):
# There's a .git/patches/<branch> directory, which means
# this is an initialized version 0 branch.
return 0
else:
# The branch doesn't seem to be initialized at all.
return None
def set_format_version(v):
out.info('Upgraded branch %s to format version %d' % (branch, v))
config.set(key, '%d' % v)
def mkdir(d):
if not os.path.isdir(d):
os.makedirs(d)
def rm(f):
if os.path.exists(f):
os.remove(f)
def rm_ref(ref):
if repository.refs.exists(ref):
repository.refs.delete(ref)
# Update 0 -> 1.
if get_format_version() == 0:
mkdir(os.path.join(branch_dir, 'trash'))
patch_dir = os.path.join(branch_dir, 'patches')
mkdir(patch_dir)
refs_base = 'refs/patches/%s' % branch
for patch in (file(os.path.join(branch_dir, 'unapplied')).readlines()
+ file(os.path.join(branch_dir, 'applied')).readlines()):
patch = patch.strip()
os.rename(os.path.join(branch_dir, patch),
os.path.join(patch_dir, patch))
topfield = os.path.join(patch_dir, patch, 'top')
if os.path.isfile(topfield):
top = utils.read_string(topfield, False)
else:
top = None
if top:
repository.refs.set(refs_base + '/' + patch,
repository.get_commit(top), 'StGit upgrade')
set_format_version(1)
# Update 1 -> 2.
if get_format_version() == 1:
desc_file = os.path.join(branch_dir, 'description')
if os.path.isfile(desc_file):
desc = utils.read_string(desc_file)
if desc:
config.set('branch.%s.description' % branch, desc)
rm(desc_file)
rm(os.path.join(branch_dir, 'current'))
rm_ref('refs/bases/%s' % branch)
set_format_version(2)
# compatibility with the new infrastructure. The changes here do not
# affect the compatibility with the old infrastructure (format version 2)
if get_format_version() == 2:
hidden_file = os.path.join(branch_dir, 'hidden')
if not os.path.isfile(hidden_file):
utils.create_empty_file(hidden_file)
# Make sure we're at the latest version.
fv = get_format_version()
if not fv in [None, FORMAT_VERSION]:
raise StackException('Branch %s is at format version %d, expected %d'
% (branch, fv, FORMAT_VERSION))
return fv != None # true if branch is initialized