feat: added support for modifying one game

- added todo list to readme

README.md

@@ -12,6 +12,18 @@
 ### Usage
 
 ```sh
-# One time run, checks all steam games and validates them
+# Applies tweaks to all apps
 protontweaks
+# Applies tweaks to one app
+protontweaks <app-id>
 ```
+
+### TODO
+
+- **Convenience**
+  - Add the ability to install a watch service that will detect games being installed to steam
+- **Performance**
+  - Apply tweaks async so multiple games can be tweaked at once
+  - Tweak DB Caching
+- **Tweak DB**
+  - Split into its own repository

src/commands/default.rs

@@ -5,22 +5,27 @@ use crate::{
     utils::protontricks,
 };
 
-pub fn command() -> Result<(), String> {
+pub fn command(app_id: Option<String>) -> Result<(), String> {
     println!("Automatically applying necessary tweaks...");
 
-    let apps = protontricks::list::apps()?;
+    let apps = if let Some(app_id) = app_id {
+        vec![app_id]
+    } else {
+        let apps = protontricks::list::apps()?;
+        println!(
+            "Discovered {} from steam...",
+            format!("{} apps", apps.len()).bold()
+        );
+        apps
+    };
+
     let tweaked_apps = apps
         .iter()
         .map(|app_id| tweaks::get(&app_id))
         .filter(|app| app.is_some())
         .map(|app| app.unwrap())
         .collect::<Vec<App>>();
 
-    println!(
-        "Discovered {} from steam...",
-        format!("{} apps", tweaked_apps.len()).bold()
-    );
-
     let (mut tweaks_applied, mut total_tweaks) = (0, 0);
 
     for app in tweaked_apps {
@@ -31,8 +36,9 @@ pub fn command() -> Result<(), String> {
 
     if tweaks_applied == 0 {
         println!(
-            "No tweaks were necessary! {}",
-            format!("({total_tweaks} tweaks attempted)").bold()
+            "{} {}",
+            "No tweaks were necessary!".green().bold(),
+            format!("({total_tweaks} tweaks attempted)").italic()
         );
     } else {
         println!(

src/main.rs

@@ -76,7 +76,7 @@ fn main() {
     let args = Cli::parse();
 
     let result = match args.command {
-        _ => commands::default::command(),
+        _ => commands::default::command(args.app_id),
     };
 
     if result.is_err() {