#!/usr/bin/env bash # Copyright 2019 PingCAP, Inc. # # 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, # See the License for the specific language governing permissions and # limitations under the License. # This script is used to checkout a TiDB PR branch in a forked repo. if test -z $1; then echo -e "Usage:\n" echo -e "\tcheckout-pr-branch.sh [github-username]:[pr-branch]\n" echo -e "The argument can be copied directly from github PR page." echo -e "The local branch name would be [github-username]/[pr-branch]." exit 0; fi username=$(echo $1 | cut -d':' -f1) branch=$(echo $1 | cut -d':' -f2) local_branch=$username/$branch fork="https://github.com/$username/tidb" exists=`git show-ref refs/heads/$local_branch` if [ -n "$exists" ]; then git checkout $local_branch git pull $fork $branch:$local_branch else git fetch $fork $branch:$local_branch git checkout $local_branch fi