Git rename stash alias

.gitconfig

[alias]
  rename-stash = "!_() { if [ -z \"$1\" ] || [ -z \"$2\" ]; then echo \"git rename-stash 0 NewName\" && echo \"\" && git stash list && exit 1; else stash=\"stash@{$1}\"; rev=$(git rev-parse \"${stash}\"); git stash drop \"${stash}\" || exit 1; git stash store -m \"$2\" \"$rev\" || exit 1; git stash list; fi }; _"

rename-stash.sh

#!/usr/bin/env bash
_() {
  if [ -z "$1" ] || [ -z "$2" ]; then
    echo "git rename-stash 0 NewName" && echo ""
    git stash list
    exit 1
  else
    stash="stash@{$1}"
    rev=$(git rev-parse "${stash}")
    git stash drop "${stash}" || exit 1
    git stash store -m "$2" "$rev" || exit 1
    git stash list
  fi
}

_ "$@"