feat: Dynamically compute resource path for macOS app bundle

src/config.rs

@@ -1,8 +1,25 @@
+use std::path::PathBuf;
+use std::env;
+
 pub static VERSION: &str = "0.1.0";
 pub static GETTEXT_PACKAGE: &str = "aardvark";
 pub static LOCALEDIR: &str = "/app/share/locale";
+
 #[cfg(target_os = "macos")]
-pub static PKGDATADIR: &str = "../Resources/share/aardvark";
+pub fn get_pkgdatadir() -> PathBuf {
+    let exe_path = env::current_exe().expect("Failed to get current executable path");
+
+    // Navigate to the 'Resources/share/aardvark' directory relative to the executable
+    let pkgdatadir = exe_path
+        .parent()       // Goes up to 'Contents/MacOS'
+        .and_then(|p| p.parent()) // Goes up to 'Contents'
+        .map(|p| p.join("Resources/share/aardvark"))
+        .expect("Failed to compute PKGDATADIR");
+
+    pkgdatadir
+}
 
 #[cfg(not(target_os = "macos"))]
-pub static PKGDATADIR: &str = "/app/share/aardvark";
+pub fn get_pkgdatadir() -> PathBuf {
+    PathBuf::from("/app/share/aardvark")
+}