Tagging commit like stash/a2c2b7d/0

tagsta.sh

HASH=$(git rev-parse --short HEAD)
PREFIX="stash/$HASH"

function exist() {
  git rev-parse $1 >/dev/null 2>&1
}

for i in {0..9}; do
  if exist "$PREFIX/$i"; then
    continue
  else
    TAG="$PREFIX/$i"
    break
  fi
done

if [ -z "$TAG" ]; then
  echo "failed to generate tag"
  exit 1
fi

git tag $TAG
echo "Tagged $TAG"