First stab at ignoring compressed files from picker (#767)

helix-term/src/ui/mod.rs

@@ -91,9 +91,25 @@ pub fn regex_prompt(
 }
 
 pub fn file_picker(root: PathBuf) -> FilePicker<PathBuf> {
-    use ignore::Walk;
+    use ignore::{types::TypesBuilder, WalkBuilder};
     use std::time;
-    let files = Walk::new(&root).filter_map(|entry| {
+
+    // We want to exclude files that the editor can't handle yet
+    let mut type_builder = TypesBuilder::new();
+    let mut walk_builder = WalkBuilder::new(&root);
+    let walk_builder = match type_builder.add(
+        "compressed",
+        "*.{zip,gz,bz2,zst,lzo,sz,tgz,tbz2,lz,lz4,lzma,lzo,z,Z,xz,7z,rar,cab}",
+    ) {
+        Err(_) => &walk_builder,
+        _ => {
+            type_builder.negate("all");
+            let excluded_types = type_builder.build().unwrap();
+            walk_builder.types(excluded_types)
+        }
+    };
+
+    let files = walk_builder.build().filter_map(|entry| {
         let entry = entry.ok()?;
         // Path::is_dir() traverses symlinks, so we use it over DirEntry::is_dir
         if entry.path().is_dir() {