fix: take crates/utils/src/home_dir.rs from PR #42

Author: wangtsiao

crates/utils/src/home_dir.rs

@@ -3,6 +3,17 @@
 use dirs::home_dir;
 use std::path::PathBuf;
 
+fn strip_unc_prefix(path: PathBuf) -> PathBuf {
+    #[cfg(windows)]
+    {
+        let s = path.display().to_string();
+        if let Some(stripped) = s.strip_prefix("\\\\?\\") {
+            return PathBuf::from(stripped);
+        }
+    }
+    path
+}
+
 /// Returns the path to the Clawcr configuration directory, which can be
 /// specified by the `CLAWCR_HOME` environment variable. If not set, defaults to
 /// `~/.clawcr`.
@@ -41,12 +52,14 @@ fn find_clawcr_home_from_env(clawcr_home_env: Option<&str>) -> std::io::Result<P
                     format!("CLAWCR_HOME points to {val:?}, but that path is not a directory"),
                 ))
             } else {
-                path.canonicalize().map_err(|err| {
-                    std::io::Error::new(
-                        err.kind(),
-                        format!("failed to canonicalize CLAWCR_HOME {val:?}: {err}"),
-                    )
-                })
+                path.canonicalize()
+                    .map(|p| strip_unc_prefix(p))
+                    .map_err(|err| {
+                        std::io::Error::new(
+                            err.kind(),
+                            format!("failed to canonicalize CLAWCR_HOME {val:?}: {err}"),
+                        )
+                    })
             }
         }
         None => {
@@ -112,10 +125,12 @@ mod tests {
             .expect("temp clawcr home path should be valid utf-8");
 
         let resolved = find_clawcr_home_from_env(Some(temp_str)).expect("valid CLAWCR_HOME");
-        let expected = temp_home
-            .path()
-            .canonicalize()
-            .expect("canonicalize temp home");
+        let expected = super::strip_unc_prefix(
+            temp_home
+                .path()
+                .canonicalize()
+                .expect("canonicalize temp home"),
+        );
         assert_eq!(resolved, expected);
     }