action.yml

name: 'Build Mochi release with Spack'
description: 'Build the release of a specified Mochi package using Spack'

inputs:
  spack-version:
    description: 'Version of spack to use'
    required: false
    default: 'develop'
  mochi-spack-packages-version:
    description: 'Version or commit hash of the mochi-spack-packages'
    required: false
    default: 'main'
  package-name:
    description: 'Package to build'
    required: false
    default: 'unspecified'
  package-version:
    description: 'Version of the package to build (should start with @)'
    require: false
    default: ''
  build-cache-token:
    description: 'Token to use to push into the build cache'
    required: false
    default: 'unspecified'
  push-only-dependencies:
    description: 'Only push dependencies to build cache'
    required: false
    default: 'true'

runs:
  using: "composite"
  steps:
  - name: Setup spack
    uses: spack/setup-spack@v2.1.1
    with:
      ref: ${{ inputs.spack-version }}

  - name: Extract name of calling repository
    id: extract_repo_name
    if: ${{ inputs.package-name == 'unspecified' }}
    shell: bash
    run: |
      REPO_NAME=$(echo "${GITHUB_REPOSITORY}" | cut -d'/' -f2)
      echo "repo_name=$REPO_NAME" >> $GITHUB_OUTPUT

  - name: Find the package name
    id: determine_name
    shell: bash
    run: |
      if [[ "${{ inputs.package-name }}" == "unspecified" ]]; then
        PACKAGE_NAME="${{ steps.extract_repo_name.outputs.repo_name }}"
      else
        PACKAGE_NAME="${{ inputs.package-name }}"
      fi
      echo "package_name=$PACKAGE_NAME" >> $GITHUB_OUTPUT

  - name: Create environment
    shell: bash
    run: |
      spack env create myenv "$GITHUB_ACTION_PATH"/spack.yaml

  - name: Add mochi-spack-packages
    shell: bash
    run: |
      git clone https://github.com/mochi-hpc/mochi-spack-packages
      pushd mochi-spack-packages
      git checkout ${{ inputs.mochi-spack-packages-version }}
      popd
      spack -e myenv repo add mochi-spack-packages

  - name: Add package to environment
    shell: bash
    run: |
      spack -e myenv add \
          "${{steps.determine_name.outputs.package_name}}${{inputs.package-version}}"

  - name: Install environment
    shell: bash
    run: |
      spack -e myenv concretize --fresh
      spack -e myenv install

  - name: Find and check Spack dependencies
    if: ${{ (inputs.build-cache-token != 'unspecified') && (inputs.push-only-dependencies == 'true')}}
    shell: bash
    run: |
      spack -e myenv find --no-groups -X \
        | awk 'BEGIN { skip=1 } /^$/ { skip=0; next } skip==0 { print }' > specs.txt
      if grep -qE "@develop|@master|@main" specs.txt; then
        echo "Error: Found develop dependencies (@develop, @master, or @main) in specs.txt." >&2
        echo "------ Specs are the following:" >&2
        cat specs.txt >&2
        exit 1
      else
        echo "No develop dependencies found. Workflow can proceed."
      fi

  - name: Find and check Spack dependencies
    if: ${{ (inputs.build-cache-token != 'unspecified') && (inputs.push-only-dependencies == 'false')}}
    shell: bash
    run: |
      spack -e myenv find --no-groups \
        | awk 'BEGIN { skip=1 } /^$/ { skip=0; next } skip==0 { print }' > specs.txt
      if grep -qE "@develop|@master|@main" specs.txt; then
        echo "Error: Found develop dependencies (@develop, @master, or @main) in specs.txt." >&2
        echo "------ Specs are the following:" >&2
        cat specs.txt >&2
        exit 1
      else
        echo "No develop dependencies found. Workflow can proceed."
      fi

  - name: Add token to buildcache
    if: ${{ inputs.build-cache-token != 'unspecified' }}
    shell: bash
    run: |
      spack -e myenv mirror set --push \
            --oci-username ${{ github.actor }} \
            --oci-password-variable MY_OCI_TOKEN mochi-buildcache

  - name: Push dependency packages to buildcache and update index
    if: ${{ (inputs.build-cache-token != 'unspecified') && (inputs.push-only-dependencies == 'true') }}
    shell: bash
    run: |
      MY_OCI_TOKEN=${{ inputs.build-cache-token }} \
      spack -e myenv buildcache push --base-image ubuntu:22.04 \
            --unsigned --only dependencies --update-index mochi-buildcache

  - name: Push dependency packages to buildcache and update index
    if: ${{ (inputs.build-cache-token != 'unspecified') && (inputs.push-only-dependencies == 'false') }}
    shell: bash
    run: |
      MY_OCI_TOKEN=${{ inputs.build-cache-token }} \
      spack -e myenv buildcache push --base-image ubuntu:22.04 \
            --unsigned --update-index mochi-buildcache

  - name: Cleanup mochi-spack-packages
    shell: bash
    run: |
      spack env rm -y myenv
      spack uninstall -y --all
      spack clean --all
      rm -rf mochi-spack-packages