convert path to lowercase when linking

src/linker.rs

@@ -23,7 +23,7 @@ impl Linker {
     }
 
     fn link_file(&self, from: &Path, to: &Path) -> Result<(), LinkerError> {
-        let target = self.install_path().join(to);
+        let target = self.install_path().join(path_to_lowercase(to));
 
         if let Some(parent) = target.parent() {
             fs::create_dir_all(parent)?;
@@ -34,7 +34,7 @@ impl Linker {
     }
 
     fn remove_link(&self, to: &Path) -> Result<(), LinkerError> {
-        let file = self.install_path().join(to);
+        let file = self.install_path().join(path_to_lowercase(to));
         let metadata = fs::symlink_metadata(&file)?;
 
         if !metadata.file_type().is_symlink() {
@@ -140,3 +140,7 @@ impl From<io::Error> for LinkerError {
         Self::Io(e)
     }
 }
+
+fn path_to_lowercase(path: &Path) -> PathBuf {
+    PathBuf::from(path.to_string_lossy().to_lowercase())
+}