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-rwxr-xr-xtesting/make-archives67
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+#!/usr/bin/env python3
+import argparse
+import os.path
+import shutil
+import subprocess
+import tarfile
+import tempfile
+from typing import Optional
+from typing import Sequence
+
+
+# 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', '0843745'),
+ ('ruby-build', 'git://github.com/rbenv/ruby-build', '500863c'),
+ (
+ 'ruby-download',
+ 'git://github.com/garnieretienne/rvm-download',
+ '09bd7c6',
+ ),
+)
+
+
+def make_archive(name: str, repo: str, ref: str, destdir: str) -> str:
+ """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, f'{name}.tar.gz')
+ with tempfile.TemporaryDirectory() as tmpdir:
+ # this ensures that the root directory has umask permissions
+ gitdir = os.path.join(tmpdir, 'root')
+
+ # Clone the repository to the temporary directory
+ subprocess.check_call(('git', 'clone', repo, gitdir))
+ subprocess.check_call(('git', '-C', gitdir, '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
+ shutil.rmtree(os.path.join(gitdir, '.git'))
+
+ with tarfile.open(output_path, 'w|gz') as tf:
+ tf.add(gitdir, name)
+
+ return output_path
+
+
+def main(argv: Optional[Sequence[str]] = None) -> int:
+ parser = argparse.ArgumentParser()
+ parser.add_argument('--dest', default='pre_commit/resources')
+ args = parser.parse_args(argv)
+ for archive_name, repo, ref in REPOS:
+ print(f'Making {archive_name}.tar.gz for {repo}@{ref}')
+ make_archive(archive_name, repo, ref, args.dest)
+ return 0
+
+
+if __name__ == '__main__':
+ exit(main())