Update comments about how the --git-ignore option is handled

src/fs/filter.rs

@@ -59,9 +59,6 @@ pub struct FileFilter {
     pub ignore_patterns: IgnorePatterns,
 
     /// Whether to ignore Git-ignored patterns.
-    /// This is implemented completely separately from the actual Git
-    /// repository scanning — a `.gitignore` file will still be scanned even
-    /// if there’s no `.git` folder present.
     pub git_ignore: GitIgnore,
 }
 
@@ -335,24 +332,17 @@ impl IgnorePatterns {
 }
 
 
-/// Whether to ignore or display files that are mentioned in `.gitignore` files.
+/// Whether to ignore or display files that Git would ignore.
 #[derive(PartialEq, Debug, Copy, Clone)]
 pub enum GitIgnore {
 
-    /// Ignore files that Git would ignore. This means doing a check for a
-    /// `.gitignore` file, possibly recursively up the filesystem tree.
+    /// Ignore files that Git would ignore.
     CheckAndIgnore,
 
     /// Display files, even if Git would ignore them.
     Off,
 }
 
-// This is not fully baked yet. The `ignore` crate lists a lot more files that
-// we aren’t checking:
-//
-// > By default, all ignore files found are respected. This includes .ignore,
-// > .gitignore, .git/info/exclude and even your global gitignore globs,
-// > usually found in $XDG_CONFIG_HOME/git/ignore.
 
 
 #[cfg(test)]