Remove pathdiff dependency and unused function

Cargo.toml

@@ -23,7 +23,6 @@ opt-level = 2
 clap = { version = "4.4", features = ["derive"] }
 flate2 = "1.0"
 gltf = "1.4.0"
-pathdiff = "0.2.1"
 rayon = "1.8.0"
 regex = "1.10.2"
 tar = "0.4"

src/unpacker.rs

@@ -5,7 +5,7 @@ use rayon::prelude::*;
 use std::borrow::Cow;
 
 use std::fs::File;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::process::Command;
 use std::sync::mpsc::channel;
 use std::sync::Arc;
@@ -18,10 +18,6 @@ pub struct Unpacker {
     pub assets: Vec<Asset>,
 }
 
-fn get_relative_path(path1: &Path, path2: &Path) -> Option<PathBuf> {
-    pathdiff::diff_paths(path1, path2)
-}
-
 impl Unpacker {
     pub fn prepare_environment(&self) {
         let archive_path = Path::new(&self.args.input);
@@ -135,20 +131,23 @@ impl Unpacker {
         let reader = io::BufReader::new(file);
         let mut gltf = gltf::Gltf::from_reader(reader).unwrap();
         let mut json = gltf.document.into_json();
-        if let Some(rel_path) = get_relative_path(texture_asset, gltf_path) {
         for image in json.images.iter_mut() {
-                let result = rel_path.file_name().unwrap().to_str().unwrap().to_string();
+            let result = texture_asset.file_name().unwrap().to_str().unwrap().to_string();
             let required_file = gltf_path.with_file_name(&result);
             if !required_file.exists() {
                 fs::copy(texture_asset, gltf_path.with_file_name(&result)).unwrap();
             }
+            if let Some(old_path) = &image.uri {
+                if old_path.eq(&result){
+                    return;
+                }
+            }
             println!(
                 "Image{:?}: {:?} to be replaced with: {}",
                 image.name, image.uri, &result
             );
             image.uri = Some(result);
         }
-        }
 
         gltf.document = Document::from_json(json.clone()).unwrap();
         // Save the modified glTF