Release v1.2.4.5 (#4217) #76

	name: GitHub Release

	on:
	push:
	branches:
	- main
	paths:
	- 'Version.txt'
	- '.github/workflows/ci-release.yml'

	# Cancel any preceding run on the pull request.
	concurrency:
	group: release-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	build:
	if: ${{ github.repository == 'p4lang/p4c' }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Get version
	run: \|
	VERSION="$(cat Version.txt)"
	TAG="v$(cat Version.txt)"
	echo "VERSION=$VERSION" >> $GITHUB_ENV
	echo "TAG=$TAG" >> $GITHUB_ENV

	- name: Check if tag exists
	id: check_tag
	run: \|
	TAG="${{ env.TAG }}"
	if git rev-parse "$TAG" >/dev/null 2>&1; then
	echo "Tag $TAG already exists, skipping release creation."
	echo "tag_exists=true" >> $GITHUB_OUTPUT
	else
	echo "Tag $TAG does not exist."
	echo "tag_exists=false" >> $GITHUB_OUTPUT
	fi

	- name: Release
	if: steps.check_tag.outputs.tag_exists == 'false'
	uses: softprops/action-gh-release@v1
	with:
	tag_name: ${{ env.TAG }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Login to DockerHub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build and push Docker image to registry
	uses: docker/build-push-action@v4
	with:
	context: .
	push: true
	tags: p4lang/p4c:${{ env.VERSION }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

Provide feedback