Try not to use verbatim paths for UNC shares (#6824)

crates/nu-path/Cargo.toml

@@ -9,7 +9,7 @@ version = "0.70.1"
 
 [dependencies]
 dirs-next = "2.0.0"
-dunce = "1.0.1"
+omnipath = "0.1.1"
 
 [target.'cfg(all(unix, not(target_os = "macos")))'.dependencies]
-pwd = "1.3.1"
+pwd = "1.3.1"

crates/nu-path/src/dots.rs

@@ -1,5 +1,7 @@
 use std::path::{is_separator, Component, Path, PathBuf};
 
+use super::helpers;
+
 const EXPAND_STR: &str = if cfg!(windows) { r"..\" } else { "../" };
 
 fn handle_dots_push(string: &mut String, count: u8) {
@@ -108,7 +110,7 @@ pub fn expand_dots(path: impl AsRef<Path>) -> PathBuf {
         _ => result.push(component),
     });
 
-    dunce::simplified(&result).to_path_buf()
+    helpers::simiplified(&result)
 }
 
 #[cfg(test)]

crates/nu-path/src/expansions.rs

@@ -2,6 +2,7 @@ use std::io;
 use std::path::{Path, PathBuf};
 
 use super::dots::{expand_dots, expand_ndots};
+use super::helpers;
 use super::tilde::expand_tilde;
 
 // Join a path relative to another path. Paths starting with tilde are considered as absolute.
@@ -30,7 +31,7 @@ fn canonicalize(path: impl AsRef<Path>) -> io::Result<PathBuf> {
     let path = expand_tilde(path);
     let path = expand_ndots(path);
 
-    dunce::canonicalize(path)
+    helpers::canonicalize(&path)
 }
 
 /// Resolve all symbolic links and all components (tilde, ., .., ...+) and return the path in its

crates/nu-path/src/helpers.rs

@@ -1,3 +1,5 @@
+#[cfg(windows)]
+use omnipath::WinPathExt;
 use std::path::PathBuf;
 
 pub fn home_dir() -> Option<PathBuf> {
@@ -7,3 +9,22 @@ pub fn home_dir() -> Option<PathBuf> {
 pub fn config_dir() -> Option<PathBuf> {
     dirs_next::config_dir()
 }
+
+#[cfg(windows)]
+pub fn canonicalize(path: &std::path::Path) -> std::io::Result<std::path::PathBuf> {
+    path.canonicalize()?.to_winuser_path()
+}
+#[cfg(not(windows))]
+pub fn canonicalize(path: &std::path::Path) -> std::io::Result<std::path::PathBuf> {
+    path.canonicalize()
+}
+
+#[cfg(windows)]
+pub fn simiplified(path: &std::path::Path) -> PathBuf {
+    path.to_winuser_path()
+        .unwrap_or_else(|_| path.to_path_buf())
+}
+#[cfg(not(windows))]
+pub fn simiplified(path: &std::path::Path) -> PathBuf {
+    path.to_path_buf()
+}