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make_archives.py
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from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
import os.path
import tarfile
from pre_commit import output
from pre_commit.util import cmd_output
from pre_commit.util import cwd
from pre_commit.util import rmtree
from pre_commit.util import tmpdir
# This is a script for generating the tarred resources for git repo
# dependencies. Currently it's just for "vendoring" ruby support packages.
REPOS = (
('rbenv', 'git://github.com/rbenv/rbenv', 'e60ad4a'),
('ruby-build', 'git://github.com/rbenv/ruby-build', '9bc9971'),
(
'ruby-download',
'git://github.com/garnieretienne/rvm-download',
'09bd7c6',
),
)
RESOURCES_DIR = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'resources'),
)
def make_archive(name, repo, ref, destdir):
"""Makes an archive of a repository in the given destdir.
:param text name: Name to give the archive. For instance foo. The file
that is created will be called foo.tar.gz.
:param text repo: Repository to clone.
:param text ref: Tag/SHA/branch to check out.
:param text destdir: Directory to place archives in.
"""
output_path = os.path.join(destdir, name + '.tar.gz')
with tmpdir() as tempdir:
# Clone the repository to the temporary directory
cmd_output('git', 'clone', repo, tempdir)
with cwd(tempdir):
cmd_output('git', 'checkout', ref)
# We don't want the '.git' directory
# It adds a bunch of size to the archive and we don't use it at
# runtime
rmtree(os.path.join(tempdir, '.git'))
with tarfile.open(output_path, 'w|gz') as tf:
tf.add(tempdir, name)
return output_path
def main():
for archive_name, repo, ref in REPOS:
output.write_line('Making {}.tar.gz for {}@{}'.format(
archive_name, repo, ref,
))
make_archive(archive_name, repo, ref, RESOURCES_DIR)
if __name__ == '__main__':
exit(main())