kallithea Files · rhodecode/lib/vcs/backends/git/workdir.py

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Location: kallithea/rhodecode/lib/vcs/backends/git/workdir.py

58905069da21 1.1 KiB text/x-python Show Annotation Show as Raw Download as Raw

Marcin Kuzminski

Speed up of last_changeset extraction in VCS, in edge cases for git we can get 10x speed improvement by limiting the history extraction if we only need last changeset

import re
from rhodecode.lib.vcs.backends.base import BaseWorkdir
from rhodecode.lib.vcs.exceptions import RepositoryError
from rhodecode.lib.vcs.exceptions import BranchDoesNotExistError


class GitWorkdir(BaseWorkdir):

    def get_branch(self):
        headpath = self.repository._repo.refs.refpath('HEAD')
        try:
            content = open(headpath).read()
            match = re.match(r'^ref: refs/heads/(?P<branch>.+)\n$', content)
            if match:
                return match.groupdict()['branch']
            else:
                raise RepositoryError("Couldn't compute workdir's branch")
        except IOError:
            # Try naive way...
            raise RepositoryError("Couldn't compute workdir's branch")

    def get_changeset(self):
        return self.repository.get_changeset(
            self.repository._repo.refs.as_dict().get('HEAD'))

    def checkout_branch(self, branch=None):
        if branch is None:
            branch = self.repository.DEFAULT_BRANCH_NAME
        if branch not in self.repository.branches:
            raise BranchDoesNotExistError
        self.repository.run_git_command(['checkout', branch])