fix path resolution

README.md

@@ -3,9 +3,17 @@ ct - custom timer
 
 # Prerequisites
 
+- cargo
 - zenity
 - pipewire
 
+# Installing
+
+1. Execute `cargo b --release`
+2. Then, you can symlink executable file target/release/ct to wherever you feel comfortable.
+
+Don't move it, though, since this will break the app!
+
 # Summary
 
 ct is a timer application that play sound and display dialogue (with unconfigurable text, for now) on completion.

src/main.rs

@@ -22,19 +22,45 @@ fn main() {
         'm' => Duration::from_mins(timeout),
         _ => panic!("Invalid measurement of time! For now, only 's' and 'm' are supported"),
     };
-    let alert_path = args.get(3).map_or("assets/not_sussy_song.opus", |path| {
-        assert!(
-            Path::new(path).exists(),
-            "The path provided should point to an existing file"
-        );
-        path
-    });
 
     let current_exe_path = env::current_exe().unwrap().canonicalize().unwrap();
-    Daemonize::new()
-        .working_directory(current_exe_path.parent().unwrap())
-        .start()
+    let root = current_exe_path
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .parent()
         .unwrap();
+    let alert_path = args.get(3).map_or_else(
+        || {
+            let default = "assets/not_sussy_song.opus";
+            let default_path = root.join(default);
+            if !default_path.exists() {
+                let _ = Command::new("zenity")
+                    .args([
+                        "--error",
+                        &format!(
+                            "--text=Bundled alarm sound wasn't found! path: {}",
+                            default_path.to_str().unwrap()
+                        ),
+                    ])
+                    .spawn()
+                    .unwrap()
+                    .wait();
+                panic!("Didn't find bundled sound");
+            }
+            default
+        },
+        |path| {
+            assert!(
+                Path::new(path).exists(),
+                "The path provided should point to an existing file"
+            );
+            path
+        },
+    );
+
+    Daemonize::new().working_directory(root).start().unwrap();
 
     sleep(sleeping_amount);