Create daily release tags #67

	# Copyright 2023 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: \|
	Create daily release tags

	on:
	workflow_dispatch:
	schedule:
	- cron: "0 2 * * *"

	permissions:
	contents: write

	jobs:
	daily-tag:
	name: "Create tag on master if there was activity in last 24 hours"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: "Check changes and tag"
	run: \|
	CHANGES=$(git log --since="1 day ago" --name-only --pretty=format: )

	if [ "x$CHANGES" != "x" ] ; then
	TAG="daily-$(date +%Y.%m.%d)"
	git tag $TAG
	git push origin $TAG

	echo "Created new tag: $TAG"
	else
	echo "No changes in last 24 hours"
	fi

Provide feedback