update-spack-package.yml

name: Spack Package Update

on:
  workflow_dispatch:
    inputs:
      dryrun:
        description: 'Do a dry run of the package update process, without making the commit/PR'
        required: false
        type: boolean
  workflow_call:
    inputs:
      dryrun:
        required: true
        type: boolean

jobs:
  update-spack-package:
    name: Update Spack Package
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Checkout GMLC-TDC/spack
      uses: actions/checkout@v4
      with:
        repository: 'GMLC-TDC/spack'
        token: ${{ secrets.HELICS_PACKAGING_TOKEN }}
        path: 'spack'
    - name: Sync Spack fork with upstream
      working-directory: 'spack'
      env:
        GH_TOKEN: ${{ secrets.HELICS_PACKAGING_TOKEN }}
      run: gh api repos/{owner}/{repo}/merge-upstream --field branch='{branch}'
    - name: Set git config for commits
      run: |
        git config --global user.name "github-actions[bot]"
        git config --global user.email "github-actions[bot]@users.noreply.github.com"

    - name: Update HELICS Spack package
      env:
        GH_TOKEN: ${{ secrets.HELICS_PACKAGING_TOKEN }}
      run: |
        # Get HELICS version update info
        HELICS_VERSION="$(cat HELICS_VERSION)"

        # Get the spack checksum and update line for the new HELICS version
        echo "::group::git pull"
        cd "spack" && git pull
        echo "::endgroup::"

        spack_checksum_output=$(bin/spack checksum helics "$HELICS_VERSION")
        spack_new_version_line=$(echo ${spack_checksum_output} | sed 's/^.*version(/version(/')
        echo "::group::spack checksum output"
        echo "$spack_checksum_output"
        echo "::endgroup::"
        echo "::group::spack new version line"
        echo "$spack_new_version_line"
        echo "::endgroup::"

        # Add the new version to the spack package file
        # Inserted below alias for main branch; 4 spaces ('\ ') to get matching indentation
        sed -i "/^    version(\"master\", branch=\"main\", submodules=True)/a \ \ \ \ $spack_new_version_line" var/spack/repos/builtin/packages/helics/package.py

        # Commit the change and create a PR
        git checkout -b "helics-${HELICS_VERSION}"
        git add var/spack/repos/builtin/packages/helics/

        echo "::group::git diff --staged"
        git diff --staged
        echo "::endgroup::"

        git commit -m "helics: Add version ${HELICS_VERSION}"

        echo "::group::git show"
        git show
        echo "::endgroup::"

        if [ "${{ inputs.dryrun }}" = "false" ]; then
          echo "Pushing changes and opening a PR"
          git push --set-upstream origin "helics-${HELICS_VERSION}"
          gh pr create --repo spack/spack --title "helics: Add version ${HELICS_VERSION}" --body "Adds HELICS ${HELICS_VERSION} to the HELICS package versions"
        fi