build-syncthing-macos.yml

name: Build Syncthing macOS

on:
  pull_request:
    branches:
      - develop
  push:

# A note on actions and third party code... The actions under actions/ (like
# `uses: actions/checkout`) are maintained by GitHub, and we need to trust
# GitHub to maintain their code and infrastructure or we're in deep shit in
# general. The same doesn't necessarily apply to other actions authors, so
# some care needs to be taken when adding steps, especially in the paths
# that lead up to code being packaged and signed.

jobs:
  build-debug:
    name: Build debug
    if: github.event_name == 'push' && github.ref != 'refs/heads/release' # Debug not necessary on release branch (develop is intermediate branch)
    runs-on: macos-12
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Build debug target
        run: |
          make debug

  build-release:
    name: Build release
    if: github.event_name == 'push' && github.ref == 'refs/heads/release'
    environment: signing
    runs-on: macos-12
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: 'true'

      - name: Import signing certificate
        run: |
          # Set up a run-specific keychain, making it available for the
          # `codesign` tool.
          umask 066
          KEYCHAIN_PATH=$RUNNER_TEMP/codesign.keychain
          KEYCHAIN_PASSWORD=$(uuidgen)
          security create-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security default-keychain -s "$KEYCHAIN_PATH"
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security set-keychain-settings -lut 21600 "$KEYCHAIN_PATH"

          # Import the certificate
          CERTIFICATE_PATH=$RUNNER_TEMP/codesign.p12
          echo "$DEVELOPER_ID_CERTIFICATE_BASE64" | base64 -d -o "$CERTIFICATE_PATH"
          security import "$CERTIFICATE_PATH" -k "$KEYCHAIN_PATH" -P "$DEVELOPER_ID_CERTIFICATE_PASSWORD" -T /usr/bin/codesign -T /usr/bin/productsign
          security set-key-partition-list -S apple-tool:,apple: -s -k actions "$KEYCHAIN_PATH"

          # Set the codesign identity for following steps
          echo "CODESIGN_IDENTITY=$CODESIGN_IDENTITY" >> $GITHUB_ENV
        env:
          DEVELOPER_ID_CERTIFICATE_BASE64: ${{ secrets.DEVELOPER_ID_CERTIFICATE_BASE64 }}
          DEVELOPER_ID_CERTIFICATE_PASSWORD: ${{ secrets.DEVELOPER_ID_CERTIFICATE_PASSWORD }}
          CODESIGN_IDENTITY: ${{ secrets.CODESIGN_IDENTITY }}

      - name: Build release dmg
        run: |
          make release-dmg

      - name: Archive artifacts
        uses: actions/upload-artifact@v3
        with:
          name: syncthing-macos-dmg-release
          path: Build/Products/Release/*.dmg

  notarize:
    name: Notarize for macOS
    if: github.event_name == 'push' && github.ref == 'refs/heads/release'
    environment: signing
    needs:
      - build-release
    runs-on: macos-latest
    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v3
        with:
          name: syncthing-macos-dmg-release

      - name: Notarize binaries
        run: |
          APPSTORECONNECT_API_KEY_PATH="$RUNNER_TEMP/apikey.p8"
          echo "$APPSTORECONNECT_API_KEY" | base64 -d -o "$APPSTORECONNECT_API_KEY_PATH"
          for file in Syncthing-*.dmg ; do
            xcrun notarytool submit \
              -k "$APPSTORECONNECT_API_KEY_PATH" \
              -d "$APPSTORECONNECT_API_KEY_ID" \
              -i "$APPSTORECONNECT_API_KEY_ISSUER" \
              $file
          done
        env:
          APPSTORECONNECT_API_KEY: ${{ secrets.APPSTORECONNECT_API_KEY }}
          APPSTORECONNECT_API_KEY_ID: ${{ secrets.APPSTORECONNECT_API_KEY_ID }}
          APPSTORECONNECT_API_KEY_ISSUER: ${{ secrets.APPSTORECONNECT_API_KEY_ISSUER }}