from stgit import git, basedir, templates
from stgit.config import config
from shutil import copyfile
-
+from stgit.lib import git as libgit, stackupgrade
# stack exception class
class StackException(StgException):
self._set_field('log', value)
self.__update_log_ref(value)
-# The current StGIT metadata format version.
-FORMAT_VERSION = 2
-
class PatchSet(StgitObject):
def __init__(self, name = None):
try:
def is_initialised(self):
"""Checks if series is already initialised
"""
- return bool(config.get(self.format_version_key()))
+ return config.get(stackupgrade.format_version_key(self.get_name())
+ ) != None
def shortlog(patches):
# Update the branch to the latest format version if it is
# initialized, but don't touch it if it isn't.
- self.update_to_current_format_version()
+ stackupgrade.update_to_current_format_version(
+ libgit.Repository.default(), self.get_name())
self.__refs_base = 'refs/patches/%s' % self.get_name()
# trash directory
self.__trash_dir = os.path.join(self._dir(), 'trash')
- def format_version_key(self):
- return 'branch.%s.stgit.stackformatversion' % self.get_name()
-
- def update_to_current_format_version(self):
- """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(self._basedir(), 'patches', self.get_name())
- 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(self.format_version_key())
- ofv = config.get('branch.%s.stgitformatversion' % self.get_name())
- 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(self.format_version_key(), ofv)
- config.unset('branch.%s.stgitformatversion' % self.get_name())
- 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' % (self.get_name(), v))
- config.set(self.format_version_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 git.ref_exists(ref):
- git.delete_ref(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' % self.get_name()
- 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 = read_string(topfield, False)
- else:
- top = None
- if top:
- git.set_ref(refs_base + '/' + patch, top)
- 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 = read_string(desc_file)
- if desc:
- config.set('branch.%s.description' % self.get_name(), desc)
- rm(desc_file)
- rm(os.path.join(branch_dir, 'current'))
- rm_ref('refs/bases/%s' % self.get_name())
- set_format_version(2)
-
- # Make sure we're at the latest version.
- if not get_format_version() in [None, FORMAT_VERSION]:
- raise StackException('Branch %s is at format version %d, expected %d'
- % (self.get_name(), get_format_version(), FORMAT_VERSION))
-
def __patch_name_valid(self, name):
"""Raise an exception if the patch name is not valid.
"""
self.create_empty_field('applied')
self.create_empty_field('unapplied')
- config.set(self.format_version_key(), str(FORMAT_VERSION))
+ config.set(stackupgrade.format_version_key(self.get_name()),
+ str(stackupgrade.FORMAT_VERSION))
def rename(self, to_name):
"""Renames a series
try:
git.delete_branch(self.get_name())
- except GitException:
+ except git.GitException:
out.warn('Could not delete branch "%s"' % self.get_name())
config.remove_section('branch.%s' % self.get_name())
author_name = patch.get_authname()
if not author_email:
author_email = patch.get_authemail()
- if not author_date:
- author_date = patch.get_authdate()
if not committer_name:
committer_name = patch.get_commname()
if not committer_email:
return commit_id
- def undo_refresh(self):
- """Undo the patch boundaries changes caused by 'refresh'
- """
- name = self.get_current()
- assert(name)
-
- patch = self.get_patch(name)
- old_bottom = patch.get_old_bottom()
- old_top = patch.get_old_top()
-
- # the bottom of the patch is not changed by refresh. If the
- # old_bottom is different, there wasn't any previous 'refresh'
- # command (probably only a 'push')
- if old_bottom != patch.get_bottom() or old_top == patch.get_top():
- raise StackException, 'No undo information available'
-
- git.reset(tree_id = old_top, check_out = False)
- if patch.restore_old_boundaries():
- self.log_patch(patch, 'undo')
-
def new_patch(self, name, message = None, can_edit = True,
unapplied = False, show_patch = False,
top = None, bottom = None, commit = True,
# merge can fail but the patch needs to be pushed
try:
git.merge_recursive(bottom, head, top)
- except git.GitConflictException, ex:
- ex.list()
except git.GitException, ex:
out.error('The merge failed during "push".',
- 'Revert the operation with "push --undo".')
+ 'Revert the operation with "stg undo".')
append_string(self.__applied_file, name)
return modified
- def undo_push(self):
- name = self.get_current()
- assert(name)
-
- patch = self.get_patch(name)
- old_bottom = patch.get_old_bottom()
- old_top = patch.get_old_top()
-
- # the top of the patch is changed by a push operation only
- # together with the bottom (otherwise the top was probably
- # modified by 'refresh'). If they are both unchanged, there
- # was a fast forward
- if old_bottom == patch.get_bottom() and old_top != patch.get_top():
- raise StackException, 'No undo information available'
-
- git.reset()
- self.pop_patch(name)
- ret = patch.restore_old_boundaries()
- if ret:
- self.log_patch(patch, 'undo')
-
- return ret
-
def pop_patch(self, name, keep = False):
"""Pops the top patch from the stack
"""
~mdw / stgit / blobdiff