ignore: add Clone/Debug for builders

globset/src/lib.rs

@@ -441,6 +441,7 @@ impl GlobSet {
 
 /// GlobSetBuilder builds a group of patterns that can be used to
 /// simultaneously match a file path.
+#[derive(Clone, Debug)]
 pub struct GlobSetBuilder {
     pats: Vec<Glob>,
 }

ignore/src/gitignore.rs

@@ -301,6 +301,7 @@ impl Gitignore {
 }
 
 /// Builds a matcher for a single set of globs from a .gitignore file.
+#[derive(Clone, Debug)]
 pub struct GitignoreBuilder {
     builder: GlobSetBuilder,
     root: PathBuf,