Release on Tagged Commits #1

	name: Release on Tagged Commits

	on:
	push:
	tags:
	- '*'

	jobs:
	release:
	runs-on: ubuntu-latest
	permissions:
	# Allow creating releases
	contents: write
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# We need all tags to diff past tag and this.
	# Attempts at fetching just two tags has been futile.
	fetch-depth: 0

	#- name: Fetch Second Latest Tag
	# run: \|
	# # Avoid fetching all tags but just the one before this one (assuming we're running on a latest tag always)
	# SECOND_LATEST_TAG_NAME=$(git ls-remote --tags origin \| grep -o 'refs/tags/[vV0-9]\.[0-9]\.[0-9]*$' \| sort -V \| tail -n2 \| head -n1 \| sed 's/refs\/tags\///')
	# git fetch origin tag $SECOND_LATEST_TAG_NAME

	#- name: Fetch tags
	# run: git fetch --depth=1 origin '+refs/tags/:refs/tags/'

	- name: Get Previous Tag
	run: \|
	PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null \|\| echo "")
	echo "PREV_TAG=$PREV_TAG" >> $GITHUB_ENV

	- name: Generate Release Notes
	run: \|
	COMPARE_LINK="https://github.com/${{ github.repository }}/compare/${{ env.PREV_TAG }}...${{ github.ref_name }}"

	echo "Changes Since Last Release:" > release.md
	echo "[View changes ${{ env.PREV_TAG }}...${{ github.ref_name }}]($COMPARE_LINK)" >> release.md
	echo "" >> release.md
	echo "Commits:" >> release.md
	git log --pretty=format:"- %h: %s" ${{ env.PREV_TAG }}...${{ github.ref_name }} >> release.md

	- name: Create Release
	uses: ncipollo/release-action@v1
	with:
	bodyFile: release.md

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