Bundle Ghostty theme picker helper

.github/workflows/ci-macos-compat.yml

@@ -70,6 +70,12 @@ jobs:
           rm GhosttyKit.xcframework.tar.gz
           test -d GhosttyKit.xcframework
 
+      - name: Install zig
+        run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
+
       - name: Clean DerivedData
         run: rm -rf ~/Library/Developer/Xcode/DerivedData/GhosttyTabs-*
 

.github/workflows/ci.yml

@@ -79,6 +79,12 @@ jobs:
         run: |
           ./scripts/download-prebuilt-ghosttykit.sh
 
+      - name: Install zig
+        run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
+
       - name: Clean DerivedData
         run: |
           # Remove stale build cache to avoid incremental build errors
@@ -209,6 +215,12 @@ jobs:
         run: |
           ./scripts/download-prebuilt-ghosttykit.sh
 
+      - name: Install zig
+        run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
+
       - name: Clean DerivedData
         run: rm -rf ~/Library/Developer/Xcode/DerivedData/GhosttyTabs-*
 

.github/workflows/nightly.yml

@@ -151,6 +151,9 @@ jobs:
       - name: Install build deps
         if: needs.decide.outputs.should_publish != 'true' || steps.current_head_prebuild.outputs.still_current == 'true'
         run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
           npm install --global "create-dmg@${CREATE_DMG_VERSION}"
 
       - name: Download pre-built GhosttyKit.xcframework
@@ -195,12 +198,16 @@ jobs:
           set -euo pipefail
           APP_BINARY="build-universal/Build/Products/Release/cmux.app/Contents/MacOS/cmux"
           CLI_BINARY="build-universal/Build/Products/Release/cmux.app/Contents/Resources/bin/cmux"
+          HELPER_BINARY="build-universal/Build/Products/Release/cmux.app/Contents/Resources/bin/ghostty"
           APP_ARCHS="$(lipo -archs "$APP_BINARY")"
           CLI_ARCHS="$(lipo -archs "$CLI_BINARY")"
+          HELPER_ARCHS="$(lipo -archs "$HELPER_BINARY")"
           echo "App binary architectures: $APP_ARCHS"
           echo "CLI binary architectures: $CLI_ARCHS"
+          echo "Ghostty helper architectures: $HELPER_ARCHS"
           [[ "$APP_ARCHS" == *arm64* && "$APP_ARCHS" == *x86_64* ]]
           [[ "$CLI_ARCHS" == *arm64* && "$CLI_ARCHS" == *x86_64* ]]
+          [[ "$HELPER_ARCHS" == *arm64* && "$HELPER_ARCHS" == *x86_64* ]]
 
       - name: Run CLI version memory guard regression
         if: needs.decide.outputs.should_publish != 'true' || steps.current_head_prebuild.outputs.still_current == 'true'
@@ -324,9 +331,13 @@ jobs:
             "build-universal/Build/Products/Release/cmux NIGHTLY.app"
           do
             CLI_PATH="$APP_PATH/Contents/Resources/bin/cmux"
+            HELPER_PATH="$APP_PATH/Contents/Resources/bin/ghostty"
             if [ -f "$CLI_PATH" ]; then
               /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" "$CLI_PATH"
             fi
+            if [ -f "$HELPER_PATH" ]; then
+              /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" "$HELPER_PATH"
+            fi
             /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" --deep "$APP_PATH"
             /usr/bin/codesign --verify --deep --strict --verbose=2 "$APP_PATH"
           done

.github/workflows/release.yml

@@ -99,6 +99,9 @@ jobs:
       - name: Install build deps
         if: steps.guard_release_assets.outputs.skip_all != 'true'
         run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
           npm install --global "create-dmg@${CREATE_DMG_VERSION}"
 
       - name: Download pre-built GhosttyKit.xcframework
@@ -142,6 +145,13 @@ jobs:
           [ -x "$CLI_BINARY" ] || { echo "cmux CLI binary not found at $CLI_BINARY" >&2; exit 1; }
           CMUX_CLI_BIN="$CLI_BINARY" python3 tests/test_cli_version_memory_guard.py
 
+      - name: Verify bundled Ghostty theme picker helper
+        if: steps.guard_release_assets.outputs.skip_all != 'true'
+        run: |
+          set -euo pipefail
+          HELPER_BINARY="build/Build/Products/Release/cmux.app/Contents/Resources/bin/ghostty"
+          [ -x "$HELPER_BINARY" ] || { echo "Ghostty theme picker helper not found at $HELPER_BINARY" >&2; exit 1; }
+
       - name: Inject Sparkle keys into Info.plist
         if: steps.guard_release_assets.outputs.skip_all != 'true'
         run: |
@@ -192,9 +202,13 @@ jobs:
           APP_PATH="build/Build/Products/Release/cmux.app"
           ENTITLEMENTS="cmux.entitlements"
           CLI_PATH="$APP_PATH/Contents/Resources/bin/cmux"
+          HELPER_PATH="$APP_PATH/Contents/Resources/bin/ghostty"
           if [ -f "$CLI_PATH" ]; then
             /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" "$CLI_PATH"
           fi
+          if [ -f "$HELPER_PATH" ]; then
+            /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" "$HELPER_PATH"
+          fi
           /usr/bin/codesign --force --options runtime --timestamp --sign "$APPLE_SIGNING_IDENTITY" --entitlements "$ENTITLEMENTS" --deep "$APP_PATH"
           /usr/bin/codesign --verify --deep --strict --verbose=2 "$APP_PATH"
 

.github/workflows/test-depot.yml

@@ -82,6 +82,12 @@ jobs:
           rm GhosttyKit.xcframework.tar.gz
           test -d GhosttyKit.xcframework
 
+      - name: Install zig
+        run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
+
       - name: Create virtual display
         run: |
           set -euo pipefail

.github/workflows/test-e2e.yml

@@ -90,6 +90,12 @@ jobs:
           rm GhosttyKit.xcframework.tar.gz
           test -d GhosttyKit.xcframework
 
+      - name: Install zig
+        run: |
+          if ! command -v zig >/dev/null 2>&1; then
+            brew install zig
+          fi
+
       - name: Create virtual display
         run: |
           set -euo pipefail