keepalive.yml

name: Keep scheduled workflows alive

on:
  schedule:
    - cron: "23 19 3,17 * *" # 7:23pm on every 3rd and 17th of the month
  workflow_dispatch:

env:
  GIT_CONFIG_PARAMETERS: "'user.name=CI' 'user.email=ci@github'"

jobs:
  job:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v7
        with:
          persist-credentials: 'true'
      - name: Merge the upstream default branch
        id: merge
        if: github.event.repository.fork == true
        run: |
          git fetch --unshallow origin &&
          git fetch https://github.com/gitgitgadget/gitgitgadget-workflows HEAD &&
          if test 0 = $(git rev-list --count HEAD..FETCH_HEAD)
          then
            exit 0 # nothing to merge
          fi &&
          git merge --no-edit FETCH_HEAD &&
          echo "result=merged" >>$GITHUB_OUTPUT
      - name: Push changes
        if: steps.merge.outputs.result == 'merged'
        run: |
          git push origin HEAD </dev/null || {
            for i in 1 2 3 4 5
            do
              # In case of concurrent pushes, let's pull and push
              git pull origin $GITHUB_REF </dev/null || exit 1
              git push origin HEAD </dev/null && exit 0
            done
            exit 1
          }
      - name: Obtain a token to reset the inactivity timer
        uses: actions/create-github-app-token@v3
        id: token
        with:
          app-id: ${{ secrets.GITGITGADGET_GITHUB_APP_ID }}
          private-key: ${{ secrets.GITGITGADGET_GITHUB_APP_PRIVATE_KEY }}
      - name: Reset the 60-day inactivity timer of every active workflow
        env:
          GH_TOKEN: ${{ steps.token.outputs.token }}
          REPO: ${{ github.repository }}
        run: |
          ret=0
          gh api "/repos/$REPO/actions/workflows" --paginate \
              --jq '.workflows[] | select(.state == "active") | .path' |
          while read -r path
          do
            name=${path##*/}
            echo "Refreshing $name"
            gh workflow -R "$REPO" disable "$name" &&
            gh workflow -R "$REPO" enable "$name" || {
              echo "::error::could not refresh $name; please ensure that it is enabled!" >&2
              ret=1
            }
          done
          exit $ret