crosvm/tools/chromeos/create_merge
Dennis Kempin 8d8a136eaa create_merge: Collect Cq-Depend of included commits
This passes Cq-Depend lines through to the merge commit.
Right now this is done manually by the oncaller, which then
requires another person to CR+2, slowing down the process.

BUG=b:210863861
TEST=./tools/chromeos/create_merge

Change-Id: I4adacef8b5fb39aa3a300b56fec5ed0ed79980f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3342734
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
Tested-by: Dennis Kempin <denniskempin@google.com>
2021-12-21 17:21:53 +00:00

83 lines
2 KiB
Bash
Executable file

#!/bin/bash
# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Script to create a commit to merge cros/main into cros/chromeos with a useful
# commit message.
#
# Basic usage to upload a merge to gerrit:
#
# $ repo start uprev .
# $ ./tools/chromeos/create_merge
# $ git push cros HEAD:refs/for/chromeos
#
# To merge with a specific commit, use: ./tools/chromeos/create_merge $SHA
set -e
LOCAL_BRANCH=$(git branch --show-current)
REMOTE_NAME=$(git config "branch.${LOCAL_BRANCH}.remote")
URL=$(git remote get-url "${REMOTE_NAME}")
DEFAULT_TARGET="${REMOTE_NAME}/main"
MERGE_TARGET="${1:-${DEFAULT_TARGET}}"
commit_list() {
git log --oneline --decorate=no --no-color "HEAD..${MERGE_TARGET}"
}
prerequisites() {
if [[ -e "${LOCAL_BRANCH}" ]] ||
[[ -e "${REMOTE_NAME}" ]] ||
[[ -e "${URL}" ]]; then
echo "This script requires the local repository to be on" \
"a tracking branch."
exit 1
fi
if [[ -n $(git status -s) ]]; then
echo "Working directory is not clean:"
git status -s
exit 1
fi
if [[ -z "$(commit_list)" ]]; then
echo "Nothing to merge."
exit 0
fi
}
cq_depends() {
git log --no-color "HEAD..${MERGE_TARGET}" --pretty=email | grep ^Cq-Depend:
}
merge_message() {
local old=$(git rev-parse HEAD)
local new=$(git rev-parse "${MERGE_TARGET}")
local count=$(commit_list | wc -l)
local notes="$(date +%F)"
if [[ -n "$(cq_depends)" ]]; then
notes="${notes}, cq-depend"
fi
echo "Merge ${count} commits from ${MERGE_TARGET} (${notes})"
echo ""
commit_list
echo ""
echo "${URL}/+log/${old}..${new}"
echo ""
echo "BUG=None"
echo "TEST=CQ"
echo ""
cq_depends
}
main() {
prerequisites
git merge --no-ff "${MERGE_TARGET}" -m "$(merge_message)"
git --no-pager log -n 1
}
main