Workspace trust: show warning that current file is untrusted

Author: xe-nul

helix-view/src/editor.rs

@@ -1640,7 +1640,9 @@ impl Editor {
         if let TrustStatus::Untrusted =
             trust.query_workspace(&path.clone().unwrap_or(current_working_dir()))
         {
-            // TODO: show an instruction on how to trust this workspace
+            self.set_warning(
+                "Current directory is not trusted; run `:workspace_trust` to enable all features",
+            );
             return;
         };