Add macOS app installer workflow

scripts/run-macos-app.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+REPOSITORY_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+PROJECT_DIR="$REPOSITORY_DIR/FchatiApp"
+BUILD_DIR="$PROJECT_DIR/.build"
+PRODUCT_NAME="FchatiApp"
+INSTALL_PATH="/Applications/Fchati.app"
+STAGING_DIR="$(mktemp -d "${TMPDIR:-/tmp}/fchati-install.XXXXXX")"
+STAGING_APP="$STAGING_DIR/Fchati.app"
+
+cleanup() {
+    rm -rf "$STAGING_DIR"
+}
+trap cleanup EXIT
+
+if [[ ! -f "$PROJECT_DIR/Package.swift" ]]; then
+    echo "FchatiApp package not found: $PROJECT_DIR" >&2
+    exit 1
+fi
+
+if [[ -e "$INSTALL_PATH" && ! -d "$INSTALL_PATH" ]]; then
+    echo "Expected an application bundle at $INSTALL_PATH, but found a non-directory." >&2
+    exit 1
+fi
+
+echo "Removing the current Swift build artifacts..."
+rm -rf "$BUILD_DIR"
+
+echo "Running tests..."
+swift test --package-path "$PROJECT_DIR"
+
+echo "Building the release executable..."
+swift build --configuration release --package-path "$PROJECT_DIR"
+
+EXECUTABLE_PATH="$PROJECT_DIR/.build/release/$PRODUCT_NAME"
+if [[ ! -x "$EXECUTABLE_PATH" ]]; then
+    echo "Release executable not found: $EXECUTABLE_PATH" >&2
+    exit 1
+fi
+
+echo "Creating the application bundle..."
+mkdir -p "$STAGING_APP/Contents/MacOS"
+cp "$PROJECT_DIR/Info.plist" "$STAGING_APP/Contents/Info.plist"
+cp "$EXECUTABLE_PATH" "$STAGING_APP/Contents/MacOS/$PRODUCT_NAME"
+codesign --force --sign - --timestamp=none "$STAGING_APP"
+
+if [[ -d "$INSTALL_PATH" ]]; then
+    echo "Removing the installed application..."
+    rm -rf "$INSTALL_PATH"
+fi
+
+echo "Installing the application..."
+mv "$STAGING_APP" "$INSTALL_PATH"
+
+echo "Opening Fchati..."
+open "$INSTALL_PATH"
+
+echo "Fchati was installed and opened successfully."