Using Arc in https://github.com/dbarnett/vim-plugin-metadata/blob/3f422df/lib/src/parser/mod.rs

parser_mod.rs.diff

diff --git a/lib/src/parser/mod.rs b/lib/src/parser/mod.rs
index 032c79870f..7d5670577f 100644
--- a/lib/src/parser/mod.rs
+++ b/lib/src/parser/mod.rs
@@ -1,8 +1,9 @@
 use crate::data::VimModule;
 use crate::{Error, VimNode, VimPlugin};
 use std::ffi::OsStr;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use std::{fs, str};
+use std::sync::Arc;
 use tree_sitter::{Parser, Point};
 use treenodes::TreeNodeMetadata;
 use walkdir::WalkDir;
@@ -43,14 +44,15 @@
     }
 
     /// Parses all supported metadata from a single plugin at the given path.
-    pub fn parse_plugin_dir<P: AsRef<Path> + Copy>(&mut self, path: P) -> crate::Result<VimPlugin> {
+    pub fn parse_plugin_dir<P: AsRef<Path>>(&mut self, path: P) -> crate::Result<VimPlugin> {
         let mut modules: Vec<VimModule> = Vec::new();
-        let path_depth = path.as_ref().iter().count();
-        let walker = WalkDir::new(path)
+        let path = Arc::new(path.as_ref().to_owned());
+        let path2 = path.clone();
+        let walker = WalkDir::new(path.clone().as_ref())
             .follow_links(true)
             .sort_by_key(move |e| {
-                let relative_path = e.path().iter().skip(path_depth).collect::<PathBuf>();
-                let (section_index, mut depth) = match order_in_sections(relative_path.as_path()) {
+                let relative_path = e.path().strip_prefix(path.clone().as_ref()).unwrap();
+                let (section_index, mut depth) = match order_in_sections(relative_path) {
                     Some((idx, depth)) => (idx, depth),
                     // Placeholder value for path that will be filtered.
                     None => return (usize::MAX, usize::MAX),
@@ -65,7 +67,7 @@
             .into_iter();
         for entry in walker.filter_entry(|e| {
             // Filter to only include paths under known section dirs.
-            let relative_path = e.path().strip_prefix(path).unwrap();
+            let relative_path = e.path().strip_prefix(path2.as_ref()).unwrap();
             order_in_sections(relative_path).is_some()
         }) {
             let entry = entry?;
@@ -74,7 +76,7 @@
             {
                 continue;
             }
-            let relative_path = entry.path().strip_prefix(path).unwrap();
+            let relative_path = entry.path().strip_prefix(path2.as_ref()).unwrap();
             let module = self.parse_module_file(entry.path())?;
             // Replace absolute path with one relative to plugin root.
             let module = VimModule {