+def repack():
+ """Repack all objects into a single pack
+ """
+ __run('git-repack -a -d -f')
+
+def apply_patch(filename = None, diff = None, base = None,
+ fail_dump = True):
+ """Apply a patch onto the current or given index. There must not
+ be any local changes in the tree, otherwise the command fails
+ """
+ if diff is None:
+ if filename:
+ f = file(filename)
+ else:
+ f = sys.stdin
+ diff = f.read()
+ if filename:
+ f.close()
+
+ if base:
+ orig_head = get_head()
+ switch(base)
+ else:
+ refresh_index()
+
+ try:
+ _input_str('git-apply --index', diff)
+ except GitException:
+ if base:
+ switch(orig_head)
+ if fail_dump:
+ # write the failed diff to a file
+ f = file('.stgit-failed.patch', 'w+')
+ f.write(diff)
+ f.close()
+ print >> sys.stderr, 'Diff written to the .stgit-failed.patch file'
+
+ raise
+
+ if base:
+ top = commit(message = 'temporary commit used for applying a patch',
+ parents = [base])
+ switch(orig_head)
+ merge(base, orig_head, top)
+
+def clone(repository, local_dir):
+ """Clone a remote repository. At the moment, just use the
+ 'git-clone' script
+ """
+ if __run('git-clone', [repository, local_dir]) != 0:
+ raise GitException, 'Failed "git-clone %s %s"' \
+ % (repository, local_dir)
+
+def modifying_revs(files, base_rev):
+ """Return the revisions from the list modifying the given files
+ """
+ cmd = ['git-rev-list', '%s..' % base_rev, '--']
+ revs = [line.strip() for line in _output_lines(cmd + files)]
+
+ return revs
+
+
+def refspec_localpart(refspec):
+ m = re.match('^[^:]*:([^:]*)$', refspec)
+ if m:
+ return m.group(1)
+ else:
+ raise GitException, 'Cannot parse refspec "%s"' % line
+
+def refspec_remotepart(refspec):
+ m = re.match('^([^:]*):[^:]*$', refspec)
+ if m:
+ return m.group(1)
+ else:
+ raise GitException, 'Cannot parse refspec "%s"' % line
+
+
+def __remotes_from_config():
+ return config.sections_matching(r'remote\.(.*)\.url')
+
+def __remotes_from_dir(dir):
+ d = os.path.join(basedir.get(), dir)
+ if os.path.exists(d):
+ return os.listdir(d)
+ else:
+ return None
+
+def remotes_list():
+ """Return the list of remotes in the repository
+ """
+
+ return Set(__remotes_from_config()) | \
+ Set(__remotes_from_dir('remotes')) | \
+ Set(__remotes_from_dir('branches'))
+
+def remotes_local_branches(remote):
+ """Returns the list of local branches fetched from given remote
+ """
+
+ branches = []
+ if remote in __remotes_from_config():
+ for line in config.getall('remote.%s.fetch' % remote):
+ branches.append(refspec_localpart(line))
+ elif remote in __remotes_from_dir('remotes'):
+ stream = open(os.path.join(basedir.get(), 'remotes', remote), 'r')
+ for line in stream:
+ # Only consider Pull lines
+ m = re.match('^Pull: (.*)\n$', line)
+ if m:
+ branches.append(refspec_localpart(m.group(1)))
+ stream.close()
+ elif remote in __remotes_from_dir('branches'):
+ # old-style branches only declare one branch
+ branches.append('refs/heads/'+remote);
+ else:
+ raise GitException, 'Unknown remote "%s"' % remote
+
+ return branches
+
+def identify_remote(branchname):
+ """Return the name for the remote to pull the given branchname
+ from, or None if we believe it is a local branch.
+ """
+
+ for remote in remotes_list():
+ if branchname in remotes_local_branches(remote):
+ return remote
+
+ # if we get here we've found nothing, the branch is a local one
+ return None
+
+def fetch_head():
+ """Return the git id for the tip of the parent branch as left by
+ 'git fetch'.
+ """
+
+ fetch_head=None
+ stream = open(os.path.join(basedir.get(), 'FETCH_HEAD'), "r")
+ for line in stream:
+ # Only consider lines not tagged not-for-merge
+ m = re.match('^([^\t]*)\t\t', line)
+ if m:
+ if fetch_head:
+ raise GitException, "StGit does not support multiple FETCH_HEAD"
+ else:
+ fetch_head=m.group(1)
+ stream.close()
~mdw / stgit / blobdiff