1 """Python GIT interface
5 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 import sys, os, re, gitmergeonefile
22 from shutil import copyfile
24 from stgit.exception import *
25 from stgit import basedir
26 from stgit.utils import *
27 from stgit.out import *
28 from stgit.run import *
29 from stgit.config import config
32 class GitException(StgException):
35 # When a subprocess has a problem, we want the exception to be a
36 # subclass of GitException.
37 class GitRunException(GitException):
41 def __init__(self, *cmd):
42 """Initialise the Run object and insert the 'git' command name.
44 Run.__init__(self, 'git', *cmd)
46 class GitConflictException(GitException):
47 def __init__(self, conflicts):
48 GitException.__init__(self)
49 self.conflicts = conflicts
51 return "%d conflicts" % len(self.conflicts)
53 out.info(*self.conflicts)
60 """An author, committer, etc."""
61 def __init__(self, name = None, email = None, date = '',
63 self.name = self.email = self.date = None
64 if name or email or date:
70 assert not (name or email or date)
72 m = re.match(r'^(.+)<(.+)>(.*)$', s)
74 return [x.strip() or None for x in m.groups()]
75 self.name, self.email, self.date = parse_desc(desc)
76 def set_name(self, val):
79 def set_email(self, val):
82 def set_date(self, val):
86 if self.name and self.email:
87 return '%s <%s>' % (self.name, self.email)
89 raise GitException, 'not enough identity data'
92 """Handle the commit objects
94 def __init__(self, id_hash):
95 self.__id_hash = id_hash
97 lines = GRun('cat-file', 'commit', id_hash).output_lines()
98 for i in range(len(lines)):
101 break # we've seen all the header fields
102 key, val = line.split(' ', 1)
105 elif key == 'author':
107 elif key == 'committer':
108 self.__committer = val
110 pass # ignore other headers
111 self.__log = '\n'.join(lines[i+1:])
113 def get_id_hash(self):
114 return self.__id_hash
119 def get_parent(self):
120 parents = self.get_parents()
126 def get_parents(self):
127 return GRun('rev-list', '--parents', '--max-count=1', self.__id_hash
128 ).output_one_line().split()[1:]
130 def get_author(self):
133 def get_committer(self):
134 return self.__committer
140 return self.get_id_hash()
142 # dictionary of Commit objects, used to avoid multiple calls to git
149 def get_commit(id_hash):
150 """Commit objects factory. Save/look-up them in the __commits
155 if id_hash in __commits:
156 return __commits[id_hash]
158 commit = Commit(id_hash)
159 __commits[id_hash] = commit
163 """Return the list of file conflicts
166 for line in GRun('ls-files', '-z', '--unmerged'
167 ).raw_output().split('\0')[:-1]:
168 stat, path = line.split('\t', 1)
169 # Look for entries in stage 2 (could equally well use 3)
170 if stat.endswith(' 2'):
175 files = [os.path.join(basedir.get(), 'info', 'exclude')]
176 user_exclude = config.get('core.excludesfile')
178 files.append(user_exclude)
181 def ls_files(files, tree = None, full_name = True):
182 """Return the files known to GIT or raise an error otherwise. It also
183 converts the file to the full path relative the the .git directory.
190 args.append('--with-tree=%s' % tree)
192 args.append('--full-name')
196 return GRun('ls-files', '--error-unmatch', *args).output_lines()
197 except GitRunException:
198 # just hide the details of the 'git ls-files' command we use
199 raise GitException, \
200 'Some of the given paths are either missing or not known to GIT'
202 def tree_status(files = None, tree_id = 'HEAD', unknown = False,
203 noexclude = True, verbose = False, diff_flags = []):
204 """Get the status of all changed files, or of a selected set of
205 files. Returns a list of pairs - (status, filename).
207 If 'not files', it will check all files, and optionally all
208 unknown files. If 'files' is a list, it will only check the files
211 assert not files or not unknown
214 out.start('Checking for changes in the working directory')
222 cmd = ['ls-files', '-z', '--others', '--directory',
223 '--no-empty-directory']
225 cmd += ['--exclude=%s' % s for s in
226 ['*.[ao]', '*.pyc', '.*', '*~', '#*', 'TAGS', 'tags']]
227 cmd += ['--exclude-per-directory=.gitignore']
228 cmd += ['--exclude-from=%s' % fn
229 for fn in exclude_files()
230 if os.path.exists(fn)]
232 lines = GRun(*cmd).raw_output().split('\0')
233 cache_files += [('?', line) for line in lines if line]
236 conflicts = get_conflicts()
237 cache_files += [('C', filename) for filename in conflicts
238 if not files or filename in files]
239 reported_files = set(conflicts)
242 args = diff_flags + [tree_id]
244 args += ['--'] + files
245 for line in GRun('diff-index', *args).output_lines():
246 fs = tuple(line.rstrip().split(' ',4)[-1].split('\t',1))
247 if fs[1] not in reported_files:
248 cache_files.append(fs)
249 reported_files.add(fs[1])
251 # files in the index but changed on (or removed from) disk
252 args = list(diff_flags)
254 args += ['--'] + files
255 for line in GRun('diff-files', *args).output_lines():
256 fs = tuple(line.rstrip().split(' ',4)[-1].split('\t',1))
257 if fs[1] not in reported_files:
258 cache_files.append(fs)
259 reported_files.add(fs[1])
266 def local_changes(verbose = True):
267 """Return true if there are local changes in the tree
269 return len(tree_status(verbose = verbose)) != 0
273 hr = re.compile(r'^[0-9a-f]{40} refs/heads/(.+)$')
274 for line in GRun('show-ref', '--heads').output_lines():
276 heads.append(m.group(1))
283 """Verifies the HEAD and returns the SHA1 id that represents it
288 __head = rev_parse('HEAD')
291 class DetachedHeadException(GitException):
293 GitException.__init__(self, 'Not on any branch')
296 """Return the name of the file pointed to by the HEAD symref.
297 Throw an exception if HEAD is detached."""
300 'refs/heads/', GRun('symbolic-ref', '-q', 'HEAD'
302 except GitRunException:
303 raise DetachedHeadException()
305 def set_head_file(ref):
306 """Resets HEAD to point to a new ref
308 # head cache flushing is needed since we might have a different value
312 GRun('symbolic-ref', 'HEAD', 'refs/heads/%s' % ref).run()
313 except GitRunException:
314 raise GitException, 'Could not set head to "%s"' % ref
316 def set_ref(ref, val):
317 """Point ref at a new commit object."""
319 GRun('update-ref', ref, val).run()
320 except GitRunException:
321 raise GitException, 'Could not update %s to "%s".' % (ref, val)
323 def set_branch(branch, val):
324 set_ref('refs/heads/%s' % branch, val)
327 """Sets the HEAD value
331 if not __head or __head != val:
335 # only allow SHA1 hashes
336 assert(len(__head) == 40)
338 def __clear_head_cache():
339 """Sets the __head to None so that a re-read is forced
346 """Refresh index with stat() information from the working directory.
348 GRun('update-index', '-q', '--unmerged', '--refresh').run()
350 def rev_parse(git_id):
351 """Parse the string and return a verified SHA1 id
354 return GRun('rev-parse', '--verify', git_id
355 ).discard_stderr().output_one_line()
356 except GitRunException:
357 raise GitException, 'Unknown revision: %s' % git_id
366 def branch_exists(branch):
367 return ref_exists('refs/heads/%s' % branch)
369 def create_branch(new_branch, tree_id = None):
370 """Create a new branch in the git repository
372 if branch_exists(new_branch):
373 raise GitException, 'Branch "%s" already exists' % new_branch
375 current_head_file = get_head_file()
376 current_head = get_head()
377 set_head_file(new_branch)
378 __set_head(current_head)
380 # a checkout isn't needed if new branch points to the current head
385 # Tree switching failed. Revert the head file
386 set_head_file(current_head_file)
387 delete_branch(new_branch)
390 if os.path.isfile(os.path.join(basedir.get(), 'MERGE_HEAD')):
391 os.remove(os.path.join(basedir.get(), 'MERGE_HEAD'))
393 def switch_branch(new_branch):
394 """Switch to a git branch
398 if not branch_exists(new_branch):
399 raise GitException, 'Branch "%s" does not exist' % new_branch
401 tree_id = rev_parse('refs/heads/%s^{commit}' % new_branch)
402 if tree_id != get_head():
405 GRun('read-tree', '-u', '-m', get_head(), tree_id).run()
406 except GitRunException:
407 raise GitException, 'read-tree failed (local changes maybe?)'
409 set_head_file(new_branch)
411 if os.path.isfile(os.path.join(basedir.get(), 'MERGE_HEAD')):
412 os.remove(os.path.join(basedir.get(), 'MERGE_HEAD'))
415 if not ref_exists(ref):
416 raise GitException, '%s does not exist' % ref
417 sha1 = GRun('show-ref', '-s', ref).output_one_line()
419 GRun('update-ref', '-d', ref, sha1).run()
420 except GitRunException:
421 raise GitException, 'Failed to delete ref %s' % ref
423 def delete_branch(name):
424 delete_ref('refs/heads/%s' % name)
426 def rename_ref(from_ref, to_ref):
427 if not ref_exists(from_ref):
428 raise GitException, '"%s" does not exist' % from_ref
429 if ref_exists(to_ref):
430 raise GitException, '"%s" already exists' % to_ref
432 sha1 = GRun('show-ref', '-s', from_ref).output_one_line()
434 GRun('update-ref', to_ref, sha1, '0'*40).run()
435 except GitRunException:
436 raise GitException, 'Failed to create new ref %s' % to_ref
438 GRun('update-ref', '-d', from_ref, sha1).run()
439 except GitRunException:
440 raise GitException, 'Failed to delete ref %s' % from_ref
442 def rename_branch(from_name, to_name):
443 """Rename a git branch."""
444 rename_ref('refs/heads/%s' % from_name, 'refs/heads/%s' % to_name)
446 if get_head_file() == from_name:
447 set_head_file(to_name)
448 except DetachedHeadException:
449 pass # detached HEAD, so the renamee can't be the current branch
450 reflog_dir = os.path.join(basedir.get(), 'logs', 'refs', 'heads')
451 if os.path.exists(reflog_dir) \
452 and os.path.exists(os.path.join(reflog_dir, from_name)):
453 rename(reflog_dir, from_name, to_name)
456 """Add the files or recursively add the directory contents
458 # generate the file list
461 if not os.path.exists(i):
462 raise GitException, 'Unknown file or directory: %s' % i
465 # recursive search. We only add files
466 for root, dirs, local_files in os.walk(i):
467 for name in [os.path.join(root, f) for f in local_files]:
468 if os.path.isfile(name):
469 files.append(os.path.normpath(name))
470 elif os.path.isfile(i):
471 files.append(os.path.normpath(i))
473 raise GitException, '%s is not a file or directory' % i
477 GRun('update-index', '--add', '--').xargs(files)
478 except GitRunException:
479 raise GitException, 'Unable to add file'
481 def __copy_single(source, target, target2=''):
482 """Copy file or dir named 'source' to name target+target2"""
484 # "source" (file or dir) must match one or more git-controlled file
485 realfiles = GRun('ls-files', source).output_lines()
486 if len(realfiles) == 0:
487 raise GitException, '"%s" matches no git-controled files' % source
489 if os.path.isdir(source):
490 # physically copy the files, and record them to add them in one run
492 re_string='^'+source+'/(.*)$'
493 prefix_regexp = re.compile(re_string)
494 for f in [f.strip() for f in realfiles]:
495 m = prefix_regexp.match(f)
497 raise Exception, '"%s" does not match "%s"' % (f, re_string)
498 newname = target+target2+'/'+m.group(1)
499 if not os.path.exists(os.path.dirname(newname)):
500 os.makedirs(os.path.dirname(newname))
502 newfiles.append(newname)
505 else: # files, symlinks, ...
506 newname = target+target2
507 copyfile(source, newname)
511 def copy(filespecs, target):
512 if os.path.isdir(target):
513 # target is a directory: copy each entry on the command line,
514 # with the same name, into the target
515 target = target.rstrip('/')
517 # first, check that none of the children of the target
518 # matching the command line aleady exist
519 for filespec in filespecs:
520 entry = target+ '/' + os.path.basename(filespec.rstrip('/'))
521 if os.path.exists(entry):
522 raise GitException, 'Target "%s" already exists' % entry
524 for filespec in filespecs:
525 filespec = filespec.rstrip('/')
526 basename = '/' + os.path.basename(filespec)
527 __copy_single(filespec, target, basename)
529 elif os.path.exists(target):
530 raise GitException, 'Target "%s" exists but is not a directory' % target
531 elif len(filespecs) != 1:
532 raise GitException, 'Cannot copy more than one file to non-directory'
535 # at this point: len(filespecs)==1 and target does not exist
537 # check target directory
538 targetdir = os.path.dirname(target)
539 if targetdir != '' and not os.path.isdir(targetdir):
540 raise GitException, 'Target directory "%s" does not exist' % targetdir
542 __copy_single(filespecs[0].rstrip('/'), target)
545 def rm(files, force = False):
546 """Remove a file from the repository
550 if os.path.exists(f):
551 raise GitException, '%s exists. Remove it first' %f
553 GRun('update-index', '--remove', '--').xargs(files)
556 GRun('update-index', '--force-remove', '--').xargs(files)
564 """Return the user information.
568 name=config.get('user.name')
569 email=config.get('user.email')
570 __user = Person(name, email)
574 """Return the author information.
579 # the environment variables take priority over config
581 date = os.environ['GIT_AUTHOR_DATE']
584 __author = Person(os.environ['GIT_AUTHOR_NAME'],
585 os.environ['GIT_AUTHOR_EMAIL'],
592 """Return the author information.
597 # the environment variables take priority over config
599 date = os.environ['GIT_COMMITTER_DATE']
602 __committer = Person(os.environ['GIT_COMMITTER_NAME'],
603 os.environ['GIT_COMMITTER_EMAIL'],
609 def update_cache(files = None, force = False):
610 """Update the cache information for the given files
612 cache_files = tree_status(files, verbose = False)
614 # everything is up-to-date
615 if len(cache_files) == 0:
618 # check for unresolved conflicts
619 if not force and [x for x in cache_files
620 if x[0] not in ['M', 'N', 'A', 'D']]:
621 raise GitException, 'Updating cache failed: unresolved conflicts'
624 add_files = [x[1] for x in cache_files if x[0] in ['N', 'A']]
625 rm_files = [x[1] for x in cache_files if x[0] in ['D']]
626 m_files = [x[1] for x in cache_files if x[0] in ['M']]
628 GRun('update-index', '--add', '--').xargs(add_files)
629 GRun('update-index', '--force-remove', '--').xargs(rm_files)
630 GRun('update-index', '--').xargs(m_files)
634 def commit(message, files = None, parents = None, allowempty = False,
635 cache_update = True, tree_id = None, set_head = False,
636 author_name = None, author_email = None, author_date = None,
637 committer_name = None, committer_email = None):
638 """Commit the current tree to repository
643 # Get the tree status
644 if cache_update and parents != []:
645 changes = update_cache(files)
646 if not changes and not allowempty:
647 raise GitException, 'No changes to commit'
649 # get the commit message
652 elif message[-1:] != '\n':
655 # write the index to repository
657 tree_id = GRun('write-tree').output_one_line()
663 env['GIT_AUTHOR_NAME'] = author_name
665 env['GIT_AUTHOR_EMAIL'] = author_email
667 env['GIT_AUTHOR_DATE'] = author_date
669 env['GIT_COMMITTER_NAME'] = committer_name
671 env['GIT_COMMITTER_EMAIL'] = committer_email
672 commit_id = GRun('commit-tree', tree_id,
673 *sum([['-p', p] for p in parents], [])
674 ).env(env).raw_input(message).output_one_line()
676 __set_head(commit_id)
680 def apply_diff(rev1, rev2, check_index = True, files = None):
681 """Apply the diff between rev1 and rev2 onto the current
682 index. This function doesn't need to raise an exception since it
683 is only used for fast-pushing a patch. If this operation fails,
684 the pushing would fall back to the three-way merge.
687 index_opt = ['--index']
694 diff_str = diff(files, rev1, rev2)
697 GRun('apply', *index_opt).raw_input(
698 diff_str).discard_stderr().no_output()
699 except GitRunException:
704 stages_re = re.compile('^([0-7]+) ([0-9a-f]{40}) ([1-3])\t(.*)$', re.S)
706 def merge_recursive(base, head1, head2):
707 """Perform a 3-way merge between base, head1 and head2 into the
711 p = GRun('merge-recursive', base, '--', head1, head2).env(
712 { 'GITHEAD_%s' % base: 'ancestor',
713 'GITHEAD_%s' % head1: 'current',
714 'GITHEAD_%s' % head2: 'patched'}).returns([0, 1])
715 output = p.output_lines()
719 else: # exitcode == 1
720 # There were conflicts
721 conflicts = [l.strip() for l in output if l.startswith('CONFLICT')]
722 raise GitConflictException(conflicts)
724 def merge(base, head1, head2):
725 """Perform a 3-way merge between base, head1 and head2 into the
731 # the fast case where we don't track renames (used when the
732 # distance between base and heads is small, i.e. folding or
733 # synchronising patches)
735 GRun('read-tree', '-u', '-m', '--aggressive', base, head1, head2
737 except GitRunException:
738 raise GitException, 'read-tree failed (local changes maybe?)'
740 # check the index for unmerged entries
742 stages_re = re.compile('^([0-7]+) ([0-9a-f]{40}) ([1-3])\t(.*)$', re.S)
744 for line in GRun('ls-files', '--unmerged', '--stage', '-z'
745 ).raw_output().split('\0'):
749 mode, hash, stage, path = stages_re.findall(line)[0]
751 if not path in files:
753 files[path]['1'] = ('', '')
754 files[path]['2'] = ('', '')
755 files[path]['3'] = ('', '')
757 files[path][stage] = (mode, hash)
759 if err_output and not files:
760 # if no unmerged files, there was probably a different type of
761 # error and we have to abort the merge
762 raise GitException, err_output
764 # merge the unmerged files
767 # remove additional files that might be generated for some
768 # newer versions of GIT
769 for suffix in [base, head1, head2]:
772 fname = path + '~' + suffix
773 if os.path.exists(fname):
777 if gitmergeonefile.merge(stages['1'][1], stages['2'][1],
778 stages['3'][1], path, stages['1'][0],
779 stages['2'][0], stages['3'][0]) != 0:
783 raise GitException, 'GIT index merging failed (possible conflicts)'
785 def diff(files = None, rev1 = 'HEAD', rev2 = None, diff_flags = [],
787 """Show the diff between rev1 and rev2
791 if binary and '--binary' not in diff_flags:
792 diff_flags = diff_flags + ['--binary']
795 return GRun('diff-tree', '-p',
796 *(diff_flags + [rev1, rev2, '--'] + files)).raw_output()
800 return GRun('diff-index', '-p', '-R',
801 *(diff_flags + [rev2, '--'] + files)).raw_output()
803 return GRun('diff-index', '-p',
804 *(diff_flags + [rev1, '--'] + files)).raw_output()
808 # TODO: take another parameter representing a diff string as we
809 # usually invoke git.diff() form the calling functions
810 def diffstat(files = None, rev1 = 'HEAD', rev2 = None):
811 """Return the diffstat between rev1 and rev2."""
812 return GRun('apply', '--stat', '--summary'
813 ).raw_input(diff(files, rev1, rev2)).raw_output()
815 def files(rev1, rev2, diff_flags = []):
816 """Return the files modified between rev1 and rev2
820 for line in GRun('diff-tree', *(diff_flags + ['-r', rev1, rev2])
822 result.append('%s %s' % tuple(line.split(' ', 4)[-1].split('\t', 1)))
824 return '\n'.join(result)
826 def barefiles(rev1, rev2):
827 """Return the files modified between rev1 and rev2, without status info
831 for line in GRun('diff-tree', '-r', rev1, rev2).output_lines():
832 result.append(line.split(' ', 4)[-1].split('\t', 1)[-1])
834 return '\n'.join(result)
836 def pretty_commit(commit_id = 'HEAD', flags = []):
837 """Return a given commit (log + diff)
839 return GRun('show', *(flags + [commit_id])).raw_output()
841 def checkout(files = None, tree_id = None, force = False):
842 """Check out the given or all files
846 GRun('read-tree', '--reset', tree_id).run()
847 except GitRunException:
848 raise GitException, 'Failed "git read-tree" --reset %s' % tree_id
850 cmd = ['checkout-index', '-q', '-u']
854 GRun(*(cmd + ['--'])).xargs(files)
856 GRun(*(cmd + ['-a'])).run()
858 def switch(tree_id, keep = False):
859 """Switch the tree to the given id
862 # only update the index while keeping the local changes
863 GRun('read-tree', tree_id).run()
867 GRun('read-tree', '-u', '-m', get_head(), tree_id).run()
868 except GitRunException:
869 raise GitException, 'read-tree failed (local changes maybe?)'
873 def reset(files = None, tree_id = None, check_out = True):
874 """Revert the tree changes relative to the given tree_id. It removes
881 cache_files = tree_status(files, tree_id)
882 # files which were added but need to be removed
883 rm_files = [x[1] for x in cache_files if x[0] in ['A']]
885 checkout(files, tree_id, True)
886 # checkout doesn't remove files
887 map(os.remove, rm_files)
889 # if the reset refers to the whole tree, switch the HEAD as well
893 def fetch(repository = 'origin', refspec = None):
894 """Fetches changes from the remote repository, using 'git fetch'
904 command = config.get('branch.%s.stgit.fetchcmd' % get_head_file()) or \
905 config.get('stgit.fetchcmd')
906 Run(*(command.split() + args)).run()
908 def pull(repository = 'origin', refspec = None):
909 """Fetches changes from the remote repository, using 'git pull'
919 command = config.get('branch.%s.stgit.pullcmd' % get_head_file()) or \
920 config.get('stgit.pullcmd')
921 Run(*(command.split() + args)).run()
923 def rebase(tree_id = None):
924 """Rebase the current tree to the give tree_id. The tree_id
925 argument may be something other than a GIT id if an external
928 command = config.get('branch.%s.stgit.rebasecmd' % get_head_file()) \
929 or config.get('stgit.rebasecmd')
935 raise GitException, 'Default rebasing requires a commit id'
937 # clear the HEAD cache as the custom rebase command will update it
939 Run(*(command.split() + args)).run()
942 reset(tree_id = tree_id)
945 """Repack all objects into a single pack
947 GRun('repack', '-a', '-d', '-f').run()
949 def apply_patch(filename = None, diff = None, base = None,
951 """Apply a patch onto the current or given index. There must not
952 be any local changes in the tree, otherwise the command fails
964 orig_head = get_head()
970 GRun('apply', '--index').raw_input(diff).no_output()
971 except GitRunException:
975 # write the failed diff to a file
976 f = file('.stgit-failed.patch', 'w+')
979 out.warn('Diff written to the .stgit-failed.patch file')
984 top = commit(message = 'temporary commit used for applying a patch',
987 merge(base, orig_head, top)
989 def clone(repository, local_dir):
990 """Clone a remote repository. At the moment, just use the
993 GRun('clone', repository, local_dir).run()
995 def modifying_revs(files, base_rev, head_rev):
996 """Return the revisions from the list modifying the given files."""
997 return GRun('rev-list', '%s..%s' % (base_rev, head_rev), '--', *files
1000 def refspec_localpart(refspec):
1001 m = re.match('^[^:]*:([^:]*)$', refspec)
1005 raise GitException, 'Cannot parse refspec "%s"' % line
1007 def refspec_remotepart(refspec):
1008 m = re.match('^([^:]*):[^:]*$', refspec)
1012 raise GitException, 'Cannot parse refspec "%s"' % line
1015 def __remotes_from_config():
1016 return config.sections_matching(r'remote\.(.*)\.url')
1018 def __remotes_from_dir(dir):
1019 d = os.path.join(basedir.get(), dir)
1020 if os.path.exists(d):
1021 return os.listdir(d)
1026 """Return the list of remotes in the repository
1028 return (set(__remotes_from_config())
1029 | set(__remotes_from_dir('remotes'))
1030 | set(__remotes_from_dir('branches')))
1032 def remotes_local_branches(remote):
1033 """Returns the list of local branches fetched from given remote
1037 if remote in __remotes_from_config():
1038 for line in config.getall('remote.%s.fetch' % remote):
1039 branches.append(refspec_localpart(line))
1040 elif remote in __remotes_from_dir('remotes'):
1041 stream = open(os.path.join(basedir.get(), 'remotes', remote), 'r')
1043 # Only consider Pull lines
1044 m = re.match('^Pull: (.*)\n$', line)
1046 branches.append(refspec_localpart(m.group(1)))
1048 elif remote in __remotes_from_dir('branches'):
1049 # old-style branches only declare one branch
1050 branches.append('refs/heads/'+remote);
1052 raise GitException, 'Unknown remote "%s"' % remote
1056 def identify_remote(branchname):
1057 """Return the name for the remote to pull the given branchname
1058 from, or None if we believe it is a local branch.
1061 for remote in remotes_list():
1062 if branchname in remotes_local_branches(remote):
1065 # if we get here we've found nothing, the branch is a local one
1069 """Return the git id for the tip of the parent branch as left by
1074 stream = open(os.path.join(basedir.get(), 'FETCH_HEAD'), "r")
1076 # Only consider lines not tagged not-for-merge
1077 m = re.match('^([^\t]*)\t\t', line)
1080 raise GitException, 'StGit does not support multiple FETCH_HEAD'
1082 fetch_head=m.group(1)
1086 out.warn('No for-merge remote head found in FETCH_HEAD')
1088 # here we are sure to have a single fetch_head
1092 """Return a list of all refs in the current repository.
1095 return [line.split()[1] for line in GRun('show-ref').output_lines()]