122 lines
3.2 KiB
Python
Executable File
122 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright 2020 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Git helper functions."""
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from __future__ import print_function
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import collections
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import os
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import re
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import subprocess
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import tempfile
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CommitContents = collections.namedtuple('CommitContents', ['url', 'cl_number'])
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def InChroot():
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"""Returns True if currently in the chroot."""
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return 'CROS_WORKON_SRCROOT' in os.environ
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def VerifyOutsideChroot():
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"""Checks whether the script invoked was executed in the chroot.
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Raises:
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AssertionError: The script was run inside the chroot.
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"""
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assert not InChroot(), 'Script should be run outside the chroot.'
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def CreateBranch(repo, branch):
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"""Creates a branch in the given repo.
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Args:
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repo: The absolute path to the repo.
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branch: The name of the branch to create.
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Raises:
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ValueError: Failed to create a repo in that directory.
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"""
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if not os.path.isdir(repo):
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raise ValueError('Invalid directory path provided: %s' % repo)
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subprocess.check_output(['git', '-C', repo, 'reset', 'HEAD', '--hard'])
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subprocess.check_output(['repo', 'start', branch], cwd=repo)
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def DeleteBranch(repo, branch):
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"""Deletes a branch in the given repo.
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Args:
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repo: The absolute path of the repo.
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branch: The name of the branch to delete.
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Raises:
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ValueError: Failed to delete the repo in that directory.
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"""
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if not os.path.isdir(repo):
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raise ValueError('Invalid directory path provided: %s' % repo)
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subprocess.check_output(['git', '-C', repo, 'checkout', 'cros/master'])
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subprocess.check_output(['git', '-C', repo, 'reset', 'HEAD', '--hard'])
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subprocess.check_output(['git', '-C', repo, 'branch', '-D', branch])
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def UploadChanges(repo, branch, commit_messages):
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"""Uploads the changes in the specifed branch of the given repo for review.
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Args:
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repo: The absolute path to the repo where changes were made.
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branch: The name of the branch to upload.
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commit_messages: A string of commit message(s) (i.e. '[message]'
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of the changes made.
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Returns:
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A nametuple that has two (key, value) pairs, where the first pair is the
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Gerrit commit URL and the second pair is the change list number.
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Raises:
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ValueError: Failed to create a commit or failed to upload the
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changes for review.
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"""
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if not os.path.isdir(repo):
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raise ValueError('Invalid path provided: %s' % repo)
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# Create a git commit.
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with tempfile.NamedTemporaryFile(mode='w+t') as f:
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f.write('\n'.join(commit_messages))
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f.flush()
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subprocess.check_output(['git', 'commit', '-F', f.name], cwd=repo)
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# Upload the changes for review.
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out = subprocess.check_output(
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['repo', 'upload', '--yes', '--ne', '--no-verify',
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'--br=%s' % branch],
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stderr=subprocess.STDOUT,
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cwd=repo,
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encoding='utf-8')
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print(out)
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found_url = re.search(
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r'https://chromium-review.googlesource.com/c/'
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r'chromiumos/overlays/chromiumos-overlay/\+/([0-9]+)', out.rstrip())
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if not found_url:
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raise ValueError('Failed to find change list URL.')
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return CommitContents(
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url=found_url.group(0), cl_number=int(found_url.group(1)))
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