A way to get hotfix branch to master when staging has pending commits

hotfix.sh

# backup current staging
$ git checkout staging
$ git branch tmp

# reset to master and merge hotfix
$ git reset --hard master
$ git merge hotfix/xxx
$ git push --force origin staging

# deploy to production
$ git checkout master
$ git merge staging
$ git push origin master

# merge back previous staging
$ git checkout staging
$ git merge tmp
$ git push origin staging