update-hash.yml

name: Update Hash

on:
  workflow_dispatch:
  schedule:
    - cron: "0 */4 * * *"

env:
  BRANCH: update-${{ github.run_number }}

jobs:
  get-update-scripts:
    runs-on: ubuntu-latest
    outputs:
      update-scripts: ${{ steps.get-update-scripts.outputs.update-scripts }}
    steps:
      - uses: actions/checkout@v4

      - name: Get update scripts
        id: get-update-scripts
        shell: bash # Set pipefail
        run: echo "update-scripts=$(find . -name "update.sh" | jq -cnR '[inputs]')" >> "$GITHUB_OUTPUT"

  update:
    runs-on: ubuntu-latest
    needs: get-update-scripts
    strategy:
      fail-fast: false
      matrix:
        update-script: ${{ fromJson(needs.get-update-scripts.outputs.update-scripts) }}
    steps:
      - uses: actions/checkout@v4

      - uses: cachix/install-nix-action@v30
        with:
          nix_path: nixpkgs=channel:nixos-unstable
          extra_nix_config: experimental-features = nix-command flakes

      - name: Run update script
        continue-on-error: true
        run: |-
          ${{ matrix.update-script }}
          git stash
          git pull
          git stash pop

      - uses: stefanzweifel/git-auto-commit-action@v5
        continue-on-error: true
        with:
          commit_message: |
            pkgs: autoupdate

            uwu
          commit_author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
          branch: ${{ env.BRANCH }}
          push_options: --atomic
          create_branch: true

  squash-to-master:
    if: always()
    runs-on: ubuntu-latest
    needs: update
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.UPDATE_HASH_TOKEN }}

      - name: Check if branch exists
        id: check-branch
        run: '! git branch -r | grep $BRANCH; echo exists=$? >> "$GITHUB_OUTPUT"'

      - name: Squash commits to master
        if: steps.check-branch.outputs.exists == '1'
        run: git merge --squash origin/$BRANCH

      - uses: stefanzweifel/git-auto-commit-action@v5
        if: steps.check-branch.outputs.exists == '1'
        with:
          commit_message: |
            pkgs: autoupdate

            uwu
          commit_author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

      - name: Delete temporary branch
        if: always() && steps.check-branch.outputs.exists == '1'
        run: git push origin -d $BRANCH