dockerfiles/.github/workflows/update.yml at master · tianon/dockerfiles · GitHub

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name: Auto-Update

on:
  schedule:
    # ~3:13pm PT
    - cron: 13 15 * * *
      timezone: America/Los_Angeles
  workflow_dispatch:

defaults:
  run:
    shell: 'bash -Eeuo pipefail -x {0}'

concurrency:
  group: update
  cancel-in-progress: true

jobs:

  generate-jobs:
    name: Generate Jobs
    runs-on: ubuntu-latest
    outputs:
      strategy: ${{ steps.generate-jobs.outputs.strategy }}
    steps:
      - uses: tianon/actions/checkout/composite@64e41cf7037bd50d75e40a6f9f54aa5d07fb59ca # HEAD
      - id: generate-jobs
        name: Generate Jobs
        run: |
          strategy="$(
            find -name versions.json -exec dirname --zero '{}' + \
              | jq -rcsR '
                split("\u0000")
                | map(ltrimstr("./"))
                - [
                  # directories to skip creating branches/PRs for
                  "docker-master",
                  "", # "dirname --zero" gives us an extra empty value when we split
                  empty # trailing comma
                ]
                | sort
                | {
                  matrix: { dir: . },
                  "fail-fast": false,
                }
              '
          )"
          echo "strategy=$strategy" >> "$GITHUB_OUTPUT"
          jq . <<<"$strategy" # sanity check / debugging aid

  update:
    needs: generate-jobs
    strategy: ${{ fromJson(needs.generate-jobs.outputs.strategy) }}
    name: ${{ matrix.dir }}
    runs-on: ubuntu-latest
    env:
      dir: ${{ matrix.dir }}
      branch: update/${{ matrix.dir }}
    steps:
      - uses: tianon/actions/checkout@64e41cf7037bd50d75e40a6f9f54aa5d07fb59ca # HEAD
        with:
          fetch-depth: 0
          persist-credentials: true
      - name: Install Bashbrew
        run: |
          mkdir -p "$RUNNER_TEMP/bin"
          wget -O "$RUNNER_TEMP/bin/bashbrew" 'https://github.com/docker-library/bashbrew/releases/download/v0.1.8/bashbrew-amd64'
          chmod +x "$RUNNER_TEMP/bin/bashbrew"
          "$RUNNER_TEMP/bin/bashbrew" --version
          echo "$RUNNER_TEMP/bin" >> "$GITHUB_PATH"
      - name: Config
        run: |
          git config user.name 'Tianon (automated)'
          git config user.email 'tianon@tianon.xyz'
      - name: Rebase
        run: |
          if git fetch origin "$branch"; then
            cur="$(git rev-parse HEAD)"
            if git checkout FETCH_HEAD && git rebase "$cur"; then
              echo 'yay!'
            else
              git reset --hard "$cur"
            fi
          fi
      - name: Update
        run: |
          version_components() {
            jq -c -f .github/workflows/version-components.jq "$dir/versions.json"
          }
          before="$(version_components)"
          ./update.sh "$dir"
          after="$(version_components)"
          git diff || :
          message="$(jq -rn "$after - $before"' | "Update " + env.dir + if length > 0 then " to " + join(", ") else "" end')"
          before="$(git rev-parse HEAD)"
          git commit -m "$message" "$dir" || :
          after="$(git rev-parse HEAD)"
          if [ "$before" != "$after" ]; then
            git push -f origin HEAD:"refs/heads/$branch"
          else
            head="$(git rev-parse origin/master)"
            if [ "$after" = "$head" ]; then
              git push origin --delete "$branch" || :
            fi
          fi

  single-branch:
    needs: update
    if: always()
    name: 'Create Single Branch'
    runs-on: ubuntu-latest
    env:
      branch: 'update-versions'
    steps:
      - uses: tianon/actions/checkout@64e41cf7037bd50d75e40a6f9f54aa5d07fb59ca # HEAD
        with:
          fetch-depth: 0
          persist-credentials: true
      - name: Config
        run: |
          git config user.name 'Tianon (automated)'
          git config user.email 'tianon@tianon.xyz'
      - name: Rebase
        run: |
          if git fetch origin "$branch"; then
            cur="$(git rev-parse HEAD)"
            if git checkout FETCH_HEAD && git rebase "$cur"; then
              echo 'yay!'
            else
              git reset --hard "$cur"
            fi
          fi
      - name: Create Branch
        run: |
          updateBranches="$(git branch --remotes --list 'origin/update/*')"
          for updateBranch in $updateBranches; do
            commits="$(git log --format='format:%H' "HEAD..$updateBranch")"
            for commit in $commits; do
              git cherry-pick "$commit"
            done
          done
          head="$(git rev-parse origin/master)"
          cur="$(git rev-parse HEAD)"
          if [ "$cur" != "$head" ]; then
            git push -f origin HEAD:"refs/heads/$branch"
          else
            git push origin --delete "$branch" || :
          fi