#!/usr/bin/env bash

set -x

if [ "$#" -ne 1 ]; then
  echo "usage: $0 <new-version>" >&2
  exit 1
fi

last=$(git describe --tags --abbrev=0)
echo "Last release was $last"

next="v$1"

shortlog="$(git shortlog --no-merges "$last"..)"

printf "Shortlog: \n\n%s\n\nRelease $next? [y/N] " "$shortlog"
read -r answer

if [ "$answer" != "y" ]; then
  exit 0
fi

project="$(basename "$(pwd)")"

(echo "$project $next"; echo ""; echo "$shortlog") | git tag "$next" -ase -F -