Patch release modules

patch-release.bash

#!/bin/bash

# Add a patch release to a bunch of github repos

set -eu -o pipefail

git() {
	(
		set -xv
		command git "$@"
	)
	set +xv
}

for bb_dir in terraform-aws-TakedaAPI*/; do
	(
		cd "$bb_dir" || exit 1
		echo
		echo "---- Releasing ${bb_dir%/} ----"
		echo

		{
			git fetch --all
			git checkout main
		} &>/dev/null
		remote=$(command git remote get-url origin)
		git fetch --prune "${remote}" +refs/tags/*:refs/tags/*
		command git pull --rebase
		if command git log -1 | grep -i 'Update examples'; then # or whatever we titled our message
			old_tag=$(command git describe --tags --abbrev=0)
      gh release create "$old_tag" --generate-notes --verify-tag --target 'main'
      exit $?
			if [[ -z $old_tag ]]; then
        old_tag='v0.0.0'
				new_tag='v0.0.1'
			else
				new_tag=$(awk -F . '{OFS="."; $NF+=1; print}' <<<"$old_tag") # Increment last octet
			fi
			echo "old tag: $old_tag"
			echo "new tag: $new_tag"
      commit_msg="$(git log --format=%B -n 1 HEAD)"
			if [[ $new_tag != "$old_tag" ]]; then
				git tag "$new_tag" -s -a -m "$commit_msg"
				# git show "$new_tag" --oneline --no-patch | cat -
        git push --tags
        # Create release
        gh release create "$new_tag" --generate-notes --verify-tag --target 'main'
			fi
		fi
		echo
	)
done