Add support for windows verbatim disk paths

src/lib.rs

@@ -178,7 +178,15 @@ pub fn glob_with(pattern: &str, options: MatchOptions) -> Result<Paths, PatternE
     #[cfg(windows)]
     fn check_windows_verbatim(p: &Path) -> bool {
         match p.components().next() {
-            Some(Component::Prefix(ref p)) => p.kind().is_verbatim(),
+            Some(Component::Prefix(ref p)) => {
+                // Allow VerbatimDisk paths. std canonicalize() generates them, and they work fine
+                p.kind().is_verbatim()
+                    && if let std::path::Prefix::VerbatimDisk(_) = p.kind() {
+                        false
+                    } else {
+                        true
+                    }
+            }
             _ => false,
         }
     }

tests/glob-std.rs

@@ -91,6 +91,25 @@ fn main() {
         )
     );
 
+    // std-canonicalized windows verbatim disk paths should work
+    if env::consts::FAMILY == "windows" {
+        let r_verbatim = PathBuf::from("r").canonicalize().unwrap();
+        assert_eq!(
+            glob_vec(&format!("{}\\**", r_verbatim.display().to_string()))
+                .into_iter()
+                .map(|p| p.strip_prefix(&r_verbatim).unwrap().to_owned())
+                .collect::<Vec<_>>(),
+            vec!(
+                PathBuf::from("another"),
+                PathBuf::from("one"),
+                PathBuf::from("one\\another"),
+                PathBuf::from("one\\another\\deep"),
+                PathBuf::from("three"),
+                PathBuf::from("two")
+            )
+        );
+    }
+
     // collapse consecutive recursive patterns
     assert_eq!(
         glob_vec("r/**/**"),