1
1
# Copyright 2014-2015 Canonical Limited.
3
# This file is part of charm-helpers.
5
# charm-helpers is free software: you can redistribute it and/or modify
6
# it under the terms of the GNU Lesser General Public License version 3 as
7
# published by the Free Software Foundation.
9
# charm-helpers is distributed in the hope that it will be useful,
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12
# GNU Lesser General Public License for more details.
14
# You should have received a copy of the GNU Lesser General Public License
15
# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
3
# Licensed under the Apache License, Version 2.0 (the "License");
4
# you may not use this file except in compliance with the License.
5
# You may obtain a copy of the License at
7
# http://www.apache.org/licenses/LICENSE-2.0
9
# Unless required by applicable law or agreed to in writing, software
10
# distributed under the License is distributed on an "AS IS" BASIS,
11
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
# See the License for the specific language governing permissions and
13
# limitations under the License.
16
from subprocess import check_call, CalledProcessError
18
17
from charmhelpers.fetch import (
20
filter_installed_packages,
22
from charmhelpers.core.host import mkdir
26
raise ImportError('GitPython does not support Python 3')
31
from charmhelpers.fetch import apt_install
32
apt_install("python-git")
35
from git.exc import GitCommandError # noqa E402
24
if filter_installed_packages(['git']) != []:
26
if filter_installed_packages(['git']) != []:
27
raise NotImplementedError('Unable to install git')
38
30
class GitUrlFetchHandler(BaseFetchHandler):
40
32
def can_handle(self, source):
41
33
url_parts = self.parse_url(source)
42
34
# TODO (mattyw) no support for ssh git@ yet
43
if url_parts.scheme not in ('http', 'https', 'git'):
35
if url_parts.scheme not in ('http', 'https', 'git', ''):
37
elif not url_parts.scheme:
38
return os.path.exists(os.path.join(source, '.git'))
48
def clone(self, source, dest, branch):
42
def clone(self, source, dest, branch="master", depth=None):
49
43
if not self.can_handle(source):
50
44
raise UnhandledSource("Cannot handle {}".format(source))
52
repo = Repo.clone_from(source, dest)
53
repo.git.checkout(branch)
46
if os.path.exists(dest):
47
cmd = ['git', '-C', dest, 'pull', source, branch]
49
cmd = ['git', 'clone', source, dest, '--branch', branch]
51
cmd.extend(['--depth', depth])
55
def install(self, source, branch="master", dest=None):
54
def install(self, source, branch="master", dest=None, depth=None):
56
55
url_parts = self.parse_url(source)
57
56
branch_name = url_parts.path.strip("/").split("/")[-1]
61
60
dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched",
63
if not os.path.exists(dest_dir):
64
mkdir(dest_dir, perms=0o755)
66
self.clone(source, dest_dir, branch)
67
except GitCommandError as e:
68
raise UnhandledSource(e.message)
63
self.clone(source, dest_dir, branch, depth)
64
except CalledProcessError as e:
65
raise UnhandledSource(e)
69
66
except OSError as e:
70
67
raise UnhandledSource(e.strerror)