Helper script to propose backports for OpenStack projects

git-cherry-pick-openstack.sh

#!/bin/bash -eux
#
# Usage:
#   ./git-cherry-pick-openstack <COMMIT> <TOPIC> <TARGET>
#
# Example:
#   ./git-cherry-pick-openstack 83ffa9eb3a2418897bf2707d14efce725d775090 bug/2030094 ussuri

COMMIT_ID=${1}
TOPIC=${2}
TARGET=${3}

CLI_ARGS=( "$@" )
REVIEW="${CLI_ARGS[@]:3}"

git checkout stable/${TARGET} || echo "Already in the desired branch"
git pull
git checkout -b ${TOPIC}-${TARGET}
git cherry-pick -x ${COMMIT_ID}
git review -t ${TOPIC} $REVIEW
git checkout master
git branch -D ${TOPIC}-${TARGET}