mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
160 lines
5.1 KiB
160 lines
5.1 KiB
#!/bin/bash |
|
#Copyright 2021 The gRPC authors. |
|
# |
|
# Licensed under the Apache License, Version 2.0 (the "License"); |
|
# you may not use this file except in compliance with the License. |
|
# You may obtain a copy of the License at |
|
# |
|
# http://www.apache.org/licenses/LICENSE-2.0 |
|
# |
|
# Unless required by applicable law or agreed to in writing, software |
|
# distributed under the License is distributed on an "AS IS" BASIS, |
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
# See the License for the specific language governing permissions and |
|
# limitations under the License. |
|
|
|
set -euo pipefail |
|
|
|
ensure_command () { |
|
if command -v "$1" 1>/dev/null 2>&1; then |
|
return 0 |
|
else |
|
echo "$1 is not installed. Please install it to proceed." 1>&2 |
|
exit 1 |
|
fi |
|
} |
|
|
|
display_usage () { |
|
cat << EOF >/dev/stderr |
|
USAGE: $0 PR_ID GITHUB_USER BACKPORT_BRANCHES REVIEWERS [-c PER_BACKPORT_COMMAND] |
|
PR_ID: The ID of the PR to be backported. |
|
GITHUB_USER: Your GitHub username. |
|
BACKPORT_BRANCHES: A space-separated list of branches to which the source PR will be backported. |
|
REVIEWERS: A comma-separated list of users to add as both reviewer and assignee. |
|
PER_BACKPORT_COMMAND : An optional command to run after cherrypicking the PR to the target branch. |
|
If you use this option, ensure your working directory is clean, as "git add -A" will be used to |
|
incorporate any generated files. Try running "git clean -xdff" beforehand. |
|
|
|
Example: $0 25456 gnossen "v1.30.x v1.31.x v1.32.x v1.33.x v1.34.x v1.35.x v1.36.x" "menghanl,gnossen" |
|
Example: $0 25493 gnossen "\$(seq 30 33 | xargs -n1 printf 'v1.%s.x ')" "menghanl" -c ./tools/dockerfile/push_testing_images.sh |
|
EOF |
|
exit 1 |
|
} |
|
|
|
ensure_command "curl" |
|
ensure_command "egrep" |
|
ensure_command "hub" |
|
ensure_command "jq" |
|
|
|
if [ "$#" -lt "4" ]; then |
|
display_usage |
|
fi |
|
|
|
PR_ID="$1" |
|
GITHUB_USER="$2" |
|
BACKPORT_BRANCHES="$3" |
|
REVIEWERS="$4" |
|
shift 4 |
|
|
|
PER_BACKPORT_COMMAND="" |
|
while getopts "c:" OPT; do |
|
case "$OPT" in |
|
c ) |
|
PER_BACKPORT_COMMAND="$OPTARG" |
|
;; |
|
\? ) |
|
echo "Invalid option: $OPTARG" >/dev/stderr |
|
display_usage |
|
;; |
|
: ) |
|
echo "Invalid option: $OPTARG requires an argument." >/dev/stderr |
|
display_usage |
|
;; |
|
esac |
|
done |
|
|
|
if [[ ! -z "$(git status --porcelain)" && ! -z "$PER_BACKPORT_COMMAND" ]]; then |
|
echo "Your working directory is not clean. Try running `git clean -xdff`. Warning: This is irreversible." > /dev/stderr |
|
exit 1 |
|
fi |
|
|
|
if [ -z "$GITHUB_TOKEN" ]; then |
|
echo "A GitHub token is required to run this script. See " \ |
|
"https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token" \ |
|
" for more information" >/dev/stderr |
|
exit 1 |
|
fi |
|
|
|
echo "This script will create a collection of backport PRs. You will probably " \ |
|
"have to touch your gnubby a frustrating number of times. C'est la vie." |
|
printf "Press any key to continue." |
|
read -r RESPONSE </dev/tty |
|
printf "\n" |
|
|
|
|
|
PR_DATA=$(curl -s -u "$GITHUB_USER:$GITHUB_TOKEN" \ |
|
-H "Accept: application/vnd.github.v3+json" \ |
|
"https://api.github.com/repos/grpc/grpc/pulls/$PR_ID") |
|
|
|
STATE=$(echo "$PR_DATA" | jq -r '.state') |
|
if [ "$STATE" != "open" ]; then |
|
TARGET_COMMITS=$(echo "$PR_DATA" | jq -r '.merge_commit_sha') |
|
FETCH_HEAD_REF=$(echo "$PR_DATA" | jq -r '.base.ref') |
|
SOURCE_REPO=$(echo "$PR_DATA" | jq -r '.base.repo.full_name') |
|
else |
|
COMMITS_URL=$(echo "$PR_DATA" | jq -r '.commits_url') |
|
COMMITS_DATA=$(curl -s -u "$GITHUB_USER:$GITHUB_TOKEN" \ |
|
-H "Accept: application/vnd.github.v3+json" \ |
|
"$COMMITS_URL") |
|
TARGET_COMMITS=$(echo "$COMMITS_DATA" | jq -r '. | map(.sha) | join(" ")') |
|
FETCH_HEAD_REF=$(echo "$PR_DATA" | jq -r '.head.sha') |
|
SOURCE_REPO=$(echo "$PR_DATA" | jq -r '.head.repo.full_name') |
|
fi |
|
PR_TITLE=$(echo "$PR_DATA" | jq -r '.title') |
|
PR_DESCRIPTION=$(echo "$PR_DATA" | jq -r '.body') |
|
LABELS=$(echo "$PR_DATA" | jq -r '.labels | map(.name) | join(",")') |
|
|
|
set -x |
|
|
|
git fetch "git@github.com:$SOURCE_REPO.git" "$FETCH_HEAD_REF" |
|
|
|
BACKPORT_PRS="" |
|
for BACKPORT_BRANCH in $BACKPORT_BRANCHES; do |
|
echo "Backporting $TARGET_COMMITS to $BACKPORT_BRANCH." |
|
|
|
git checkout "origin/$BACKPORT_BRANCH" |
|
|
|
BRANCH_NAME="backport_${PR_ID}_to_${BACKPORT_BRANCH}" |
|
|
|
# To make the script idempotent. |
|
git branch -D "$BRANCH_NAME" || true |
|
git checkout "$BACKPORT_BRANCH" |
|
git checkout -b "$BRANCH_NAME" |
|
|
|
for TARGET_COMMIT in $TARGET_COMMITS; do |
|
git cherry-pick -m 1 "$TARGET_COMMIT" |
|
done |
|
|
|
if [[ ! -z "$PER_BACKPORT_COMMAND" ]]; then |
|
git submodule update --init --recursive |
|
|
|
# To remove dangling submodules. |
|
git clean -xdff |
|
eval "$PER_BACKPORT_COMMAND" |
|
git add -A |
|
git commit --amend --no-edit |
|
fi |
|
|
|
BACKPORT_PR=$(hub pull-request -p -m "[Backport] $PR_TITLE" \ |
|
-m "*Beep boop. This is an automatically generated backport of #${PR_ID}.*" \ |
|
-m "$PR_DESCRIPTION" \ |
|
-l "$LABELS" \ |
|
-b "$GITHUB_USER:$BACKPORT_BRANCH" \ |
|
-r "$REVIEWERS" \ |
|
-a "$REVIEWERS" | tail -n 1) |
|
BACKPORT_PRS+="$BACKPORT_PR\n" |
|
|
|
# TODO: Turn on automerge once the Github API allows it. |
|
done |
|
|
|
printf "Your backport PRs have been created:\n$BACKPORT_PRS"
|
|
|