from stgit.commands.common import *
from stgit.utils import *
+from stgit.out import *
+from stgit.config import GitConfigException
from stgit import stack, git
help = 'pull the changes from the remote repository'
-usage = '%prog [options]'
+usage = """%prog [options] [<repository>]
+Pull the latest changes from the given remote repository (defaulting
+to branch.<name>.remote, or 'origin' if not set). This command works
+by popping all the patches from the stack, pulling the changes in the
+parent repository, setting the base of the stack to the latest parent
+HEAD and pushing the patches back (unless '--nopush' is specified).
+The 'push' operation can fail if there are conflicts. They need to be
+resolved and the patch pushed again.
+
+Check the 'git fetch' documentation for the <repository> format."""
+
+directory = DirectoryGotoToplevel()
options = [make_option('-n', '--nopush',
help = 'do not push the patches back after pulling',
action = 'store_true'),
- make_option('--head', metavar='OTHER_HEAD',
- help = 'pull OTHER_HEAD instead of HEAD'),
- make_option('--tag',
- help = 'pull TAG')]
-
+ make_option('-m', '--merged',
+ help = 'check for patches merged upstream',
+ action = 'store_true')]
def func(parser, options, args):
"""Pull the changes from a remote repository
"""
- if len(args) != 0:
- parser.error('incorrect number of arguments')
+ policy = config.get('branch.%s.stgit.pull-policy' % crt_series.get_name()) or \
+ config.get('stgit.pull-policy')
- check_local_changes()
- check_conflicts()
- check_head_top_equal()
+ if policy == 'rebase':
+ # parent is local
+ if len(args) == 1:
+ parser.error('specifying a repository is meaningless for policy="%s"' % policy)
+ if len(args) > 0:
+ parser.error('incorrect number of arguments')
- branch = git.get_head_file()
- location = read_string(os.path.join(git.base_dir, 'branches', branch))
+ else:
+ # parent is remote
+ if len(args) > 1:
+ parser.error('incorrect number of arguments')
- print 'Pulling from "%s"...' % location
- new_head = git.fetch(location, options.head, options.tag)
- print 'done'
+ if len(args) >= 1:
+ repository = args[0]
+ else:
+ repository = crt_series.get_parent_remote()
- if new_head == git_id('base'):
- print 'Branch already up-to-date'
- else:
- applied = crt_series.get_applied()
-
- if len(applied) > 0:
- print 'Popping all patches...',
- sys.stdout.flush()
- crt_series.pop_patch(applied[0])
- print 'done'
-
- git.switch(new_head)
-
- if options.nopush:
- applied = []
- for p in applied:
- print 'Pushing patch "%s"...' % p,
- sys.stdout.flush()
- crt_series.push_patch(p)
- if crt_series.empty_patch(p):
- print 'done (empty patch)'
- else:
- print 'done'
-
- print_crt_patch()
+ if crt_series.get_protected():
+ raise CmdException, 'This branch is protected. Pulls are not permitted'
+
+ check_local_changes()
+ check_conflicts()
+ check_head_top_equal(crt_series)
+
+ if policy not in ['pull', 'fetch-rebase', 'rebase']:
+ raise GitConfigException, 'Unsupported pull-policy "%s"' % policy
+
+ applied = prepare_rebase(crt_series)
+
+ # pull the remote changes
+ if policy == 'pull':
+ out.info('Pulling from "%s"' % repository)
+ git.pull(repository)
+ elif policy == 'fetch-rebase':
+ out.info('Fetching from "%s"' % repository)
+ git.fetch(repository)
+ try:
+ target = git.fetch_head()
+ except git.GitException:
+ out.error('Could not find the remote head to rebase onto - fix branch.%s.merge in .git/config' % crt_series.get_name())
+ out.error('Pushing any patches back...')
+ post_rebase(crt_series, applied, False, False)
+ raise
+
+ rebase(crt_series, target)
+ elif policy == 'rebase':
+ rebase(crt_series, crt_series.get_parent_branch())
+
+ post_rebase(crt_series, applied, options.nopush, options.merged)
+
+ # maybe tidy up
+ if config.get('stgit.keepoptimized') == 'yes':
+ git.repack()
+
+ print_crt_patch(crt_series)