ClickHouse/utils/github/local.py

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# -*- coding: utf-8 -*-
try:
import git # `pip install gitpython`
except ImportError:
import sys
sys.exit("Package 'gitpython' not found. Try run: `pip install [--user] gitpython`")
import functools
import logging
import os
import re
class RepositoryBase(object):
def __init__(self, repo_path):
self._repo = git.Repo(repo_path, search_parent_directories=(not repo_path))
# commit comparator
def cmp(x, y):
if x == y:
return 0
if self._repo.is_ancestor(x, y):
return -1
else:
return 1
self.comparator = functools.cmp_to_key(cmp)
def get_head_commit(self):
return self._repo.commit(self._default)
def iterate(self, begin, end):
rev_range = '{}...{}'.format(begin, end)
for commit in self._repo.iter_commits(rev_range, first_parent=True):
yield commit
class Repository(RepositoryBase):
def __init__(self, repo_path, remote_name, default_branch_name):
super(Repository, self).__init__(repo_path)
self._remote = self._repo.remotes[remote_name]
self._default = self._remote.refs[default_branch_name]
def get_release_branches(self):
'''
Returns sorted list of tuples:
* remote branch (git.refs.remote.RemoteReference),
* base commit (git.Commit),
* head (git.Commit)).
List is sorted by commits in ascending order.
'''
release_branches = []
RE_RELEASE_BRANCH_REF = re.compile(r'^refs/remotes/.+/\d+\.\d+$')
for branch in [r for r in self._remote.refs if RE_RELEASE_BRANCH_REF.match(r.path)]:
base = self._repo.merge_base(self._default, self._repo.commit(branch))
if not base:
logging.info('Branch %s is not based on branch %s. Ignoring.', branch.path, self._default)
elif len(base) > 1:
logging.info('Branch %s has more than one base commit. Ignoring.', branch.path)
else:
release_branches.append((os.path.basename(branch.name), base[0]))
return sorted(release_branches, key=lambda x : self.comparator(x[1]))
class BareRepository(RepositoryBase):
def __init__(self, repo_path, default_branch_name):
super(BareRepository, self).__init__(repo_path)
self._default = self._repo.branches[default_branch_name]
def get_release_branches(self):
'''
Returns sorted list of tuples:
* branch (git.refs.head?),
* base commit (git.Commit),
* head (git.Commit)).
List is sorted by commits in ascending order.
'''
release_branches = []
RE_RELEASE_BRANCH_REF = re.compile(r'^refs/heads/\d+\.\d+$')
for branch in [r for r in self._repo.branches if RE_RELEASE_BRANCH_REF.match(r.path)]:
base = self._repo.merge_base(self._default, self._repo.commit(branch))
if not base:
logging.info('Branch %s is not based on branch %s. Ignoring.', branch.path, self._default)
elif len(base) > 1:
logging.info('Branch %s has more than one base commit. Ignoring.', branch.path)
else:
release_branches.append((os.path.basename(branch.name), base[0]))
return sorted(release_branches, key=lambda x : self.comparator(x[1]))