release.yml

name: Release

on:
  release:
    types: [published]

permissions:
  contents: read

jobs:
  update-homebrew:
    runs-on: ubuntu-latest
    steps:
      - name: Extract version from tag
        run: echo "VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV

      - name: Check Homebrew tap token
        id: homebrew-token
        env:
          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
        run: |
          if [ "$GITHUB_REPOSITORY" != "wxtsky/CodeIsland" ]; then
            echo "available=false" >> "$GITHUB_OUTPUT"
            echo "Skipping Homebrew tap update for fork repository $GITHUB_REPOSITORY."
          elif [ -n "$HOMEBREW_TAP_TOKEN" ]; then
            echo "available=true" >> "$GITHUB_OUTPUT"
          else
            echo "available=false" >> "$GITHUB_OUTPUT"
            echo "HOMEBREW_TAP_TOKEN is not configured; skipping Homebrew tap update."
          fi

      - name: Download DMG from release
        if: steps.homebrew-token.outputs.available == 'true'
        run: |
          curl -L \
            "https://github.com/${GITHUB_REPOSITORY}/releases/download/v${VERSION}/CodeIsland.dmg" \
            -o CodeIsland.dmg

      - name: Compute SHA256
        if: steps.homebrew-token.outputs.available == 'true'
        run: echo "SHA256=$(sha256sum CodeIsland.dmg | awk '{print $1}')" >> $GITHUB_ENV

      - name: Clone homebrew-tap
        if: steps.homebrew-token.outputs.available == 'true'
        env:
          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
        run: |
          git clone "https://x-access-token:${HOMEBREW_TAP_TOKEN}@github.com/wxtsky/homebrew-tap.git" homebrew-tap

      - name: Update Cask formula
        if: steps.homebrew-token.outputs.available == 'true'
        run: |
          mkdir -p homebrew-tap/Casks
          cat > homebrew-tap/Casks/codeisland.rb <<'CASK_EOF'
          cask "codeisland" do
            version "VERSION_PLACEHOLDER"
            sha256 "SHA256_PLACEHOLDER"

            url "https://github.com/wxtsky/CodeIsland/releases/download/v#{version}/CodeIsland.dmg"
            name "CodeIsland"
            desc "Menu bar companion for Claude Code, Codex, Gemini CLI and more"
            homepage "https://github.com/wxtsky/CodeIsland"

            app "CodeIsland.app"

            zap trash: [
              "~/.codeisland",
            ]
          end
          CASK_EOF
          sed -i "s/VERSION_PLACEHOLDER/${VERSION}/" homebrew-tap/Casks/codeisland.rb
          sed -i "s/SHA256_PLACEHOLDER/${SHA256}/" homebrew-tap/Casks/codeisland.rb
          sed -i 's/^          //' homebrew-tap/Casks/codeisland.rb

      - name: Commit and push to homebrew-tap
        if: steps.homebrew-token.outputs.available == 'true'
        run: |
          cd homebrew-tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Casks/codeisland.rb
          if git diff --cached --quiet; then
            echo "Homebrew cask is already up to date."
            exit 0
          fi
          git commit -m "Update codeisland to ${VERSION}"
          git push