TaskR/.github/workflows/master-build-workflow.yml at main · Algebraic-Programming/TaskR · GitHub

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name: Merge into master - Build Workflow

# if statements modified to avoid: https://stackoverflow.com/questions/69354003/github-action-job-fire-when-previous-job-skipped

on:
  workflow_call:
    inputs:
      os:
        required: true
        type: string
      arch:
          required: true
          type: string

permissions:
  contents: read

env:
  REGISTRY: ghcr.io
  DOCKERIMAGE: ghcr.io/algebraic-programming/taskr/buildenv

defaults:
  run:
    shell: bash

jobs:
  check-dockerfile-modifications-with-last-commit:
    runs-on: ${{ inputs.os }}
    outputs:
      dockerfile-modified: ${{ steps.check-dockerfile.outputs.dockerfile-modified }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      # Check the PR diff using the current branch and the base branch of the PR
      - name: Run git diff
        run: |
          git diff --name-only HEAD^..HEAD > ${{ runner.temp }}/diff.txt

      - name: Check if Dockerfile was modified
        id: check-dockerfile
        env:
          MODIFIED_FILES_PATH: ${{ runner.temp }}/diff.txt
        run: |
          cat $MODIFIED_FILES_PATH
          if cat $MODIFIED_FILES_PATH | grep -q 'buildenv/Dockerfile' ; then
            echo "Dockerfile was modified"
            echo "dockerfile-modified=true" >> $GITHUB_OUTPUT
          else
            echo "Dockerfile was not modified"
            echo "dockerfile-modified=false" >> $GITHUB_OUTPUT
          fi

  build-image:
    runs-on: ${{ inputs.os }}
    needs: [check-dockerfile-modifications-with-last-commit]
    if: ${{ needs.check-dockerfile-modifications-with-last-commit.outputs.dockerfile-modified == 'true' }}
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Docker metadata
        id: dockermeta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.DOCKERIMAGE }}
          tags: ${{ inputs.arch }}-latest

      - name: Build and push docker image
        uses: docker/build-push-action@v6
        with:
          context: "{{defaultContext}}:.build-tools/containers/buildenv"
          push: true
          tags: ${{ steps.dockermeta.outputs.tags }}
          labels: ${{ steps.dockermeta.outputs.labels }}
          build-args: ARCH=${{ inputs.arch }}
          cache-from: type=gha
          cache-to: type=gha,mode=max