nightly-Homebrew-build.yml

# Only the "head" branch of the OpenBLAS package is tested

on:
  push:
    paths:
      - '**/nightly-Homebrew-build.yml'
  pull_request:
    branches:
      - develop
    paths:
      - '**/nightly-Homebrew-build.yml'
  schedule:
    - cron: 45 7 * * *
# This is 7:45 AM UTC daily, late at night in the USA

# Since push and pull_request will still always be building and testing the `develop` branch,
# it only makes sense to test if this file has been changed

name: Nightly-Homebrew-Build

permissions:
  contents: read # to fetch code (actions/checkout)

jobs:
  build-OpenBLAS-with-Homebrew:
    runs-on: macos-latest
    env:
      DEVELOPER_DIR: /Applications/Xcode_11.4.1.app/Contents/Developer
      HOMEBREW_DEVELOPER: "ON"
      HOMEBREW_DISPLAY_INSTALL_TIMES: "ON"
      HOMEBREW_NO_ANALYTICS: "ON"
      HOMEBREW_NO_AUTO_UPDATE: "ON"
      HOMEBREW_NO_BOTTLE_SOURCE_FALLBACK: "ON"
      HOMEBREW_NO_INSTALL_CLEANUP: "ON"

    steps:
      - name: Random delay for cron job
        run: |
          delay=$(( RANDOM % 600 ))
          printf 'Delaying for %s seconds on event %s' ${delay} "${{ github.event_name }}"
          sleep ${delay}
        if: github.event_name == 'schedule'

      - uses: actions/checkout@v2
        # This isn't even needed, technically. Homebrew will get `develop` via git

      - name: Update Homebrew
        if: github.event_name != 'pull_request'
        run: brew update || true
          
      - name: Install prerequisites
        run: brew install --fetch-HEAD --HEAD --only-dependencies --keep-tmp openblas

      - name: Install and bottle OpenBLAS
        run: brew install --fetch-HEAD --HEAD --build-bottle --keep-tmp openblas
        # the HEAD flags tell Homebrew to build the develop branch fetch via git

      - name: Create bottle
        run: |
          brew bottle -v openblas
          mkdir bottles
          mv *.bottle.tar.gz bottles

      - name: Upload bottle
        uses: actions/upload-artifact@v1
        with:
          name: openblas--HEAD.catalina.bottle.tar.gz
          path: bottles

      - name: Show linkage
        run: brew linkage -v openblas

      - name: Test openblas
        run: brew test --HEAD --verbose openblas

      - name: Audit openblas formula
        run: |
          brew audit --strict openblas
          brew cat openblas

      - name: Post logs on failure
        if: failure()
        run: brew gist-logs --with-hostname -v openblas