Push release/hotfix branch to origin remote. Checks if any orphan commits on target

gistfile1.sh

function fpushrel () {
  # Assertion: At least one arg
  if [ -z $1 ]; then
    echo "ERROR: Please provide a branch to push (eg staging/production)"; return
  fi

  # Assertion: No uncommited changes
  if ! [ $(git status -s | wc -l) -eq 0 ]; then
    echo "ERROR: You have changes that have not been committed"; return
  fi

  # Assertion: Pushing a release or hotfix branch
  LOCALREF=$(git rev-parse HEAD)
  if [ $(git show-ref --heads | grep $LOCALREF | grep 'release\|hotfix' | wc -l) -eq 0 ]; then
    echo "ERROR: You are not pushing a release or hotfix branch"; return
  fi

  echo "Force pushing $LOCALREF to $1"

  ORIGINREF=$(git ls-remote origin $1 | cut -f1)

  # Assertion: Destination branch exists on origin
  if [ $(echo $ORIGINREF | wc -l) -eq 0 ]; then
    echo "ERROR: $1 does not exist on origin"; return
  fi

  # Assertion: Destination branch doesnt have orphan commits
  if [ $(git branch --remote --contains $ORIGINREF | wc -l) -eq 1 ]; then
    echo "ERROR: There are commits on $1 that are not in any other origin branch (ie: $ORIGINREF). CLEAN THAT SHIT UP!"; return
  fi

  git push --force origin $LOCALREF:$1 &>/dev/null || {echo "ERROR: Cannot force push to origin/$1"; return}

  echo "Complete"
}