release-binaries.yml

# Releases binaries when application version changes.
name: Release Binaries

on:
  push:
    branches: [ master ]

permissions:
  contents: write

# Keep only the newest release run for the same ref. This avoids competing
# release attempts when several pushes land close together.
concurrency:
  group: release-binaries-${{ github.ref }}
  cancel-in-progress: true

jobs:

  release:
    runs-on: [ self-hosted, macOS, ARM64 ]
    timeout-minutes: 30

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      # Use the same Go version as the project, declared in go.mod.
      - name: Set Up Go Environment
        uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'

      # Reads the app version from the `VERSION` file.
      # It must be a plain MAJOR.MINOR.PATCH value, such as 1.2.3.
      - name: Read Version
        id: version
        shell: bash
        run: |
          version="$(< VERSION)"
          if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Version must use MAJOR.MINOR.PATCH format, found: $version" >&2
            exit 1
          fi
          echo "version=$version" >> "$GITHUB_OUTPUT"
          echo "tag=v$version" >> "$GITHUB_OUTPUT"

      # Compares the release version with current app version.
      # If current app version already exist in release, emits a warning, but flow counts as passed.
      - name: Check Release Version
        id: release
        uses: actions/github-script@v8
        env:
          RELEASE_TAG: ${{ steps.version.outputs.tag }}
        with:
          script: |
            try {
              await github.rest.repos.getReleaseByTag({
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag: process.env.RELEASE_TAG,
              });
              core.warning(`Release ${process.env.RELEASE_TAG} already exists. Bump VERSION to publish a new release.`);
              core.setOutput('publish', 'false');
            } catch (error) {
              if (error.status !== 404) {
                throw error;
              }
              core.setOutput('publish', 'true');
            }

      # Build binaries only for new releases.
      - name: Build Binaries
        if: steps.release.outputs.publish == 'true'
        shell: bash
        run: |
          mkdir -p dist
          GOOS=windows GOARCH=amd64 go build -trimpath -o dist/embed-code-windows.exe main.go
          GOOS=linux GOARCH=amd64 go build -trimpath -o dist/embed-code-linux main.go
          GOOS=darwin GOARCH=arm64 go build -trimpath -o dist/embed-code-macos-arm64 main.go
          GOOS=darwin GOARCH=amd64 go build -trimpath -o dist/embed-code-macos-x64 main.go
          chmod +x dist/embed-code-linux dist/embed-code-macos-arm64 dist/embed-code-macos-x64

      # Sign the macOS binaries with a Developer ID certificate stored in GitHub
      # secrets. The certificate must be exported as a base64-encoded .p12 file.
      - name: Sign macOS Binaries
        if: steps.release.outputs.publish == 'true'
        shell: bash
        env:
          MACOS_CERTIFICATE_P12_BASE64: ${{ secrets.MACOS_CERTIFICATE_P12_BASE64 }}
          MACOS_CERTIFICATE_PASSWORD: ${{ secrets.MACOS_CERTIFICATE_PASSWORD }}
          MACOS_CODESIGN_IDENTITY: ${{ secrets.MACOS_CODESIGN_IDENTITY }}
        run: |
          scripts/release/sign-macos-binary.sh \
            dist/embed-code-macos-arm64 \
            dist/embed-code-macos-x64

      # Publish Linux as a ZIP so Unix executable permissions survive extraction.
      - name: Package Linux Binary
        if: steps.release.outputs.publish == 'true'
        shell: bash
        run: |
          pushd dist >/dev/null
          zip -q embed-code-linux.zip embed-code-linux
          rm embed-code-linux
          popd >/dev/null

      # Notarize the macOS ZIPs that will be published as release assets.
      - name: Notarize macOS Binaries
        if: steps.release.outputs.publish == 'true'
        shell: bash
        env:
          APPLE_ID: ${{ secrets.APPLE_ID }}
          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
          APPLE_APP_SPECIFIC_PASSWORD: ${{ secrets.APPLE_APP_SPECIFIC_PASSWORD }}
        run: |
          scripts/release/notarize-macos-zip.sh dist/embed-code-macos-arm64 dist/embed-code-macos-arm64.zip
          scripts/release/notarize-macos-zip.sh dist/embed-code-macos-x64 dist/embed-code-macos-x64.zip
          rm dist/embed-code-macos-arm64 dist/embed-code-macos-x64

      # Create the release for the current commit and attach all generated binaries.
      - name: Publish GitHub Release
        if: steps.release.outputs.publish == 'true'
        uses: actions/github-script@v8
        env:
          RELEASE_TAG: ${{ steps.version.outputs.tag }}
        with:
          script: |
            const fs = require('fs');
            const path = require('path');

            const releaseTag = process.env.RELEASE_TAG;
            const releaseNotes = `Embed Code ${releaseTag}\n\nThis release contains pre-built Embed Code binaries for macOS ARM64, macOS x64, Linux, and Windows. Linux and macOS binaries are published as ZIP archives.`;
            const release = await github.rest.repos.createRelease({
              owner: context.repo.owner,
              repo: context.repo.repo,
              tag_name: releaseTag,
              target_commitish: context.sha,
              name: `embed-code ${releaseTag}`,
              body: releaseNotes,
            });

            for (const assetName of fs.readdirSync('dist').sort()) {
              const assetPath = path.join('dist', assetName);
              const assetData = fs.readFileSync(assetPath);
              const sizeMb = (assetData.length / 1024 / 1024).toFixed(2);
              const startedAt = Date.now();
              core.info(`Uploading ${assetName} (${sizeMb} MB).`);
              await github.rest.repos.uploadReleaseAsset({
                owner: context.repo.owner,
                repo: context.repo.repo,
                release_id: release.data.id,
                name: assetName,
                headers: {
                  'content-type': 'application/octet-stream',
                  'content-length': assetData.length,
                },
                data: assetData,
              });
              const durationSeconds = ((Date.now() - startedAt) / 1000).toFixed(1);
              core.info(`Uploaded ${assetName} in ${durationSeconds}s.`);
            }