---
name: Build
on:
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:
    inputs:
      gitRef:
        description: "Emacs git ref to build"
        required: true
        default: "master"
      extraPlanArgs:
        description: "Extra plan args"
        required: false
        default: ""
      extraCheckArgs:
        description: "Extra check args"
        required: false
        default: ""
      extraBuildArgs:
        description: "Extra build args"
        required: false
        default: ""
      extraPackageArgs:
        description: "Extra package args"
        required: false
        default: ""
      extraReleaseArgs:
        description: "Extra release args"
        required: false
        default: ""

jobs:
  plan:
    runs-on: macos-10.15
    outputs:
      check: "${{ steps.check.outcome }}"
    steps:
      - name: Checkout build-emacs-for-macos repo
        uses: actions/checkout@v2
        with:
          repository: jimeh/build-emacs-for-macos
          ref: "v0.6.8"
          path: builder
      - uses: actions/setup-go@v2
        with:
          go-version: 1.16
      - uses: actions/cache@v2
        id: builder-cache
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('builder/**/go.sum') }}
          restore-keys: ${{ runner.os }}-go-
      - name: Pre-build emacs-builder tool
        run: make build
        working-directory: builder
      - name: Plan build
        run: >-
          builder/bin/emacs-builder -l debug plan
          --output build-plan.yml
          --output-dir '${{ github.workspace }}/builds'
          ${{ github.event.inputs.extraPlanArgs }}
          '${{ github.event.inputs.gitRef }}'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Show plan
        run: cat build-plan.yml
      - name: Check if planned release and asset already exist
        id: check
        continue-on-error: true
        run: >-
          builder/bin/emacs-builder -l debug release --plan build-plan.yml check
          ${{ github.event.inputs.extraCheckArgs }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Upload pre-built emacs-builder artifact
        uses: actions/upload-artifact@v2
        with:
          name: emacs-builder
          path: builder/bin/emacs-builder
          if-no-files-found: error
      - name: Upload build-plan.yml artifact
        uses: actions/upload-artifact@v2
        with:
          name: build-plan.yml
          path: build-plan.yml
          if-no-files-found: error

  build:
    runs-on: macos-10.15
    needs: [plan]
    # Only run if check for existing release and asset failed.
    if: ${{ needs.plan.outputs.check == 'failure' }}
    steps:
      - name: Checkout build-emacs-for-macos repo
        uses: actions/checkout@v2
        with:
          repository: jimeh/build-emacs-for-macos
          ref: "v0.6.8"
          path: builder
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: 2.7
      - name: Install dependencies
        run: make bootstrap-ci
        working-directory: builder
      - name: Download pre-built emacs-builder artifact
        uses: actions/download-artifact@v2
        id: builder
        with:
          name: emacs-builder
          path: bin
      - name: Ensure emacs-builder is executable
        run: chmod +x bin/emacs-builder
      - name: Download build-plan.yml artifact
        uses: actions/download-artifact@v2
        id: plan
        with:
          name: build-plan.yml
          path: ./
      - name: Build Emacs
        run: >-
          ./builder/build-emacs-for-macos --plan build-plan.yml
          --native-full-aot ${{ github.event.inputs.extraBuildArgs }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Install the Apple signing certificate
        run: |
          # create variables
          CERTIFICATE_PATH="$RUNNER_TEMP/build_certificate.p12"
          KEYCHAIN_PATH="$RUNNER_TEMP/app-signing.keychain-db"

          # import certificate and provisioning profile from secrets
          echo -n "$CERT_BASE64" | base64 --decode --output "$CERTIFICATE_PATH"

          # create temporary keychain
          security create-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security set-keychain-settings -lut 21600 "$KEYCHAIN_PATH"
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"

          # import certificate to keychain
          security import "$CERTIFICATE_PATH" -P "$CERT_PASSWORD" -A \
            -t cert -f pkcs12 -k "$KEYCHAIN_PATH"
          security list-keychain -d user -s "$KEYCHAIN_PATH"
        env:
          CERT_BASE64: ${{ secrets.APPLE_DEVELOPER_CERTIFICATE_P12_BASE64 }}
          CERT_PASSWORD: ${{ secrets.APPLE_DEVELOPER_CERTIFICATE_PASSWORD }}
          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
      - name: Sign, package and notarize build
        run: >-
          bin/emacs-builder -l debug package -v --plan build-plan.yml
          --sign --remove-source-dir
          ${{ github.event.inputs.extraPackageArgs }}
        env:
          AC_USERNAME: ${{ secrets.AC_USERNAME }}
          AC_PASSWORD: ${{ secrets.AC_PASSWORD }}
          AC_PROVIDER: ${{ secrets.AC_PROVIDER }}
          AC_SIGN_IDENTITY: ${{ secrets.AC_SIGN_IDENTITY }}
      - name: Upload disk image artifacts
        uses: actions/upload-artifact@v2
        with:
          name: dmg
          path: |
            builds/*.dmg
            builds/*.sha*
          if-no-files-found: error
      - name: Clean up keychain used for signing certificate
        if: ${{ always() }}
        run: |
          security delete-keychain "$RUNNER_TEMP/app-signing.keychain-db"

  release:
    runs-on: macos-10.15
    needs: [build]
    steps:
      - name: Download pre-built emacs-builder artifact
        uses: actions/download-artifact@v2
        id: builder
        with:
          name: emacs-builder
          path: bin
      - name: Ensure emacs-builder is executable
        run: chmod +x bin/emacs-builder
      - name: Download build-plan.yml artifact
        uses: actions/download-artifact@v2
        id: plan
        with:
          name: build-plan.yml
          path: ./
      - name: Download disk image artifact
        uses: actions/download-artifact@v2
        with:
          name: dmg
          path: builds
      - name: Publish disk image to a GitHub Release
        run: >-
          bin/emacs-builder -l debug release --plan build-plan.yml publish
          ${{ github.event.inputs.extraReleaseArgs }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Trigger update casks workflow in homebrew tap
        run: >-
          gh workflow run --repo jimeh/homebrew-emacs-builds update-casks.yml
        env:
          GITHUB_TOKEN: ${{ secrets.TAP_REPO_TOKEN }}