action.yml

## Github workflow to generate a sha512 checksum for the build archive
name: Generate Checksum

inputs:
  hashfile_name:
    description: "The name of the generated checksum file"
    required: false
    default: "CHECKSUMS.txt"
  artifact_download_pattern:
    description: "The pattern of artifacts to download. Defaults to '*' (all artifacts)"
    required: false
    default: "*"

runs:
  using: "composite"
  steps:
    ## Downloads the artifacts built in `create-source-binary.yml`
    - name: Download Artifacts
      id: download_artifacts
      uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
      with:
        pattern: ${{ inputs.artifact_download_pattern }}
        path: release
        merge-multiple: true

    ## Generate a checksums file to be added to the release page
    - name: Generate Checksums
      id: generate_checksum
      shell: bash
      run: |
        # If sha512sum command doesn't exist on the host, exit
        if ! command -v sha512sum > /dev/null 2>&1; then
          echo "sha512sum command doesn't exist!";
          exit 1;
        fi

        # Generate the hashes and exit if the variable is empty
        if [ -d release ]; then
          cd release
        else
          echo "Artifact directory does not exist!"
          exit 1;
        fi

        shasum="$(sha512sum *)"
        if [[ -z "$shasum" ]]; then
          echo "Checksum could not be generated!";
          exit 1;
        fi

        echo "Generated checksums:"
        echo "$shasum"
        echo "$shasum" > "../${{ inputs.hashfile_name }}";
        exit 0;