Swift UI project creator (to build without Xcode)

swiftui_proj.sh

#!/bin/bash
echo "----- SwiftUI Project Creator -----"
read -p "Project name: " projname
read -p "Version: " version
read -p "Bundle ID: " bundleid
if [[ -z "$projname" || -z "$version" || -z "$bundleid" ]]; then
    echo "Error: All fields must be filled."
    exit 1
fi
echo "Creating project..."
mkdir "$projname" || { echo "Failed to create project directory."; exit 1; }
cd "$projname" || exit 1
cat > main.swift <<EOF
import SwiftUI
@main
struct ${projname}App: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}
EOF
cat > ContentView.swift <<EOF
import SwiftUI

struct ContentView: View {
    var body: some View {
        Text("Hello World!")
    }
}
EOF
echo "Done. Downloading Makefile..."
curl -fLo Makefile https://x0.at/5hDN.txt
if [[ $? -ne 0 ]]; then
    echo "Failed to download Makefile."
    exit 1
fi
echo "Makefile downloaded. Editing..."
sed -i '' "s|__PROJNAME__|$projname|g" Makefile
sed -i '' "s|__BUNDLEID__|$bundleid|g" Makefile
sed -i '' "s|__VERSION__|$version|g" Makefile
echo "Creating project done."