update-pkg.yml

name: Update a package

on:
  workflow_dispatch:
    inputs:
      package:
        type: string
        required: true
      version:
        type: string
        default: "latest"
      deploy:
        type: boolean
        default: true
        description: Trigger deployment after updating the package.

jobs:
  update:
    name: Update ${{ inputs.package }}
    runs-on: ubuntu-22.04
    outputs:
      updated: ${{ steps.update-pkg.outputs.updated }}
      commit_hash: ${{ steps.git-commit.outputs.commit_hash }}
    steps:
      - uses: actions/checkout@v3
        with:
          # Use ref_name instead of ref so we always get the branch to pull our
          # latest commit from.
          ref: ${{ github.ref_name }}

      - name: Install Nix packages
        id: nix-install
        uses: diamondburned/cache-install@main
        with:
          shell-file: shell.nix
          instantiated-files: packages/

      - name: Update package ${{ inputs.package }} to ${{ inputs.version }}
        id: update-pkg
        run: |-
          ./scripts/pkg update "${{ inputs.package }}" "${{ inputs.version }}"
          # Check if there has been any git changes. updated=1 if there's one,
          # otherwise it's 0. We'll skip the rest if 0.
          if [[ $(git status --porcelain) ]]; then
            echo "updated=1" >> $GITHUB_OUTPUT
          fi
        env:
          # Set the GITHUB_TOKEN variable to prevent 403 errors.
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Build package ${{ inputs.package }}
        if: steps.update-pkg.outputs.updated == 1
        run: nix-build ./packages -A "${{ inputs.package }}"

      - name: Commit changes, if any
        id: git-commit
        if: steps.update-pkg.outputs.updated == 1
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: |-
            Update package ${{ inputs.package }} using GitHub Actions

            Package ${{ inputs.package }} was updated to version:

                ${{ inputs.version }}

            The action workflow was triggered by ref:

                ${{ github.sha }}

          branch: ${{ github.ref_name }}

  deploy:
    needs: update
    if: needs.update.outputs.updated == 1 && inputs.deploy == true
    uses: ./.github/workflows/deploy.yml
    secrets: inherit