merge and push branches - designed to release nodejs applications

release.sh

#!/usr/bin/env bash

###
## install: curl https://gist.githubusercontent.com/waleedsamy/6a8a214ade791a4df60777336328206f/raw/5fd0d9bbdcc2deaf3d023fcf8b682ea24350baa6/release.sh > ~/release.sh && chmod +x ~/release.sh
## usage: ~/release.sh
## usage: ~/release.sh master stable
## depends on: https://gist.github.com/waleedsamy/921294a0e5bdd49cf4c4
###

usage(){
  echo usage release.sh branch another_branch
  return 1
}

if [[ $# -eq 1 || $# -gt 2 ]]
then
  usage
  exit $?
fi

FROM=${1:-master}
TO=${2:-stable}

export GIT_MERGE_AUTOEDIT=no

PACKAGE_VERSION=$(cat package.json \
  | grep version \
  | head -1 \
  | awk -F: '{ print $2 }' \
  | sed 's/[",]//g' \
  | tr -d '[[:space:]]')

echo Releasing version $PACKAGE_VERSION from $FROM to $TO

~/regit.sh $FROM  && \
~/regit.sh $TO

git branch -D release-$PACKAGE_VERSION  || true

git checkout $FROM  && git checkout -b release-$PACKAGE_VERSION

git checkout $TO  && git merge release-$PACKAGE_VERSION  && \
git tag -d v$PACKAGE_VERSION || true && \
git tag -a v$PACKAGE_VERSION -m "version $PACKAGE_VERSION" && \
git checkout $FROM  && git merge release-$PACKAGE_VERSION

git push origin $TO && \
git push origin $FROM && \
git push origin v$PACKAGE_VERSION -f