#!/bin/sh

set -e

if ! command -v gh > /dev/null; then
  echo "Please install the GitHub CLI: https://cli.github.com/"
  exit 1
fi

last_release=$(git describe --tag --abbrev=0)

revision_range="${last_release}..origin/main"
commit_format="--pretty=tformat:%h %s"
commits_since=$(git log --author="^(?!dependabot).*$" --perl-regexp "${revision_range}" "${commit_format}")

echo "$commits_since" | while read -r line; do
	sha=$(echo "${line}" | awk '{print $1}')
	commit_message=$(echo "${line}" | awk '{print substr($0, index($0, " ")+1)}')

	pr_number=$(gh pr list --search "$sha" --state merged --json number --jq '.[].number')
	trimmed_commit=$(echo "${commit_message}"| sed "s/ (\#$pr_number)//g")

	echo "* ${trimmed_commit} (#${pr_number})"
done