feat(cli): added a cli

default.nix

@@ -10,7 +10,7 @@ in
 
     src = ./.;
 
-    cargoHash = "sha256-w5BshLg1OiqiJJ+JRm9JQkjMtWAex/eMtHmlOfQ7Kt4=";
+    cargoHash = "sha256-EnfAFP/4cmtUuzmmXn9A6AYG3Yud2zBBYm0ORe282uc=";
 
     meta = with lib; {
       description = "Manipulate Unity's portable package files";

unitypkg-cli/Cargo.toml

@@ -8,3 +8,5 @@ license.workspace = true
 keywords.workspace = true
 
 [dependencies]
+clap = { version = "4.5.7", features = ["derive"] }
+unitypkg-core = { path = "../unitypkg-core" }

unitypkg-cli/src/main.rs

@@ -1 +1,30 @@
-fn main() {}
+use std::{
+    fs::{create_dir_all, File},
+    path::PathBuf,
+};
+
+use clap::Parser;
+use unitypkg_core::{reader::read_package, unpack::unpack_package};
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {
+    #[arg(short, long, required = true)]
+    input: Vec<PathBuf>,
+
+    output: PathBuf,
+}
+
+fn main() {
+    let cli = Cli::parse();
+
+    for input in cli.input {
+        let package = read_package(File::open(input).unwrap());
+
+        if !cli.output.exists() {
+            create_dir_all(&cli.output).unwrap();
+        }
+
+        unpack_package(package, &cli.output);
+    }
+}

unitypkg-core/src/unpack.rs

@@ -6,7 +6,7 @@ use std::{
 
 use crate::Package;
 
-pub fn unpack_package(package: Package, directory: PathBuf) {
+pub fn unpack_package(package: Package, directory: &PathBuf) {
     create_dir_all(&directory).expect("Failed to create root directory");
 
     for asset in package.assets.values() {
@@ -61,7 +61,7 @@ mod test {
         builder.meta = Some(vec![5, 6, 7, 8]);
         package.assets.insert(uuid, builder.build());
 
-        unpack_package(package, temp_dir.clone());
+        unpack_package(package, &temp_dir);
 
         let asset_file = temp_dir.join("Assets/SomeMaterial");
         let meta_file = asset_file.with_extension("meta");