Merge pull request #48 from cabalism/bump/ghc-9.8 #125

	name: Docker build

	on:
	create:
	tags:
	- 'v*'
	push:
	branches: master
	pull_request:
	branches: master

	jobs:
	main:
	runs-on: ubuntu-latest

	steps:
	- name: Branch name
	id: branch_name
	run: \|
	echo ${{ github.ref }}
	echo ${{ github.event_name }}
	echo "GITHUB_REF=${GITHUB_REF}" >> $GITHUB_ENV
	echo ::set-output name=SOURCE_NAME::${GITHUB_REF#refs/*/}
	echo ::set-output name=SOURCE_BRANCH::${GITHUB_REF#refs/heads/}
	echo ::set-output name=SOURCE_TAG::${GITHUB_REF#refs/tags/}
	shell: bash

	- name: Checkout
	uses: actions/checkout@v2

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Login to DockerHub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- if: github.event_name == 'pull_request' \|\| github.event_name == 'branches'
	run: echo "TAGS=hasufell/stack2cabal:${GITHUB_SHA}" >> $GITHUB_ENV
	shell: bash

	- if: github.event_name == 'push'
	run: echo "TAGS=hasufell/stack2cabal:latest,hasufell/stack2cabal:${GITHUB_SHA}" >> $GITHUB_ENV
	shell: bash

	- if: github.event_name == 'create' && startsWith(github.ref, 'refs/tags/v')
	run: echo "TAGS=hasufell/stack2cabal:${{ steps.branch_name.outputs.SOURCE_TAG }}" >> $GITHUB_ENV
	shell: bash

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64
	push: true
	tags: ${{ env.TAGS }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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