cache-depends-sources.yml

name: Cache depends sources

on:
  workflow_call:
    inputs:
      runs-on:
        description: "Runner label to use"
        required: false
        type: string
        default: ubuntu-24.04-arm
  schedule:
    # Run daily at 6 AM UTC on the default branch to keep cache warm
    - cron: '0 6 * * *'

jobs:
  cache-sources:
    name: Cache depends sources
    # Intentionally keep scheduled cache warming on GitHub-hosted ARM runners.
    # Blacksmith caches are expected to persist long enough without a warmup cron.
    runs-on: ${{ inputs.runs-on || 'ubuntu-24.04-arm' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Check for cached sources
        id: cache-check
        uses: actions/cache@v5
        with:
          path: depends/sources
          key: depends-sources-${{ hashFiles('depends/packages/*') }}
          restore-keys: depends-sources-
          lookup-only: true

      - name: Download sources
        if: steps.cache-check.outputs.cache-hit != 'true'
        run: make -C depends download