fix(cli): fix potential panic in traceError if unwrapped err is nil

johnstcn · johnstcn · commit c68f8269ce95 · 2024-10-21T14:53:11.000+01:00
diff --git a/cli/root.go b/cli/root.go
@@ -1116,7 +1116,16 @@ func formatCoderSDKError(from string, err *codersdk.Error, opts *formatOpts) str
 //nolint:errorlint
 func traceError(err error) string {
 	if uw, ok := err.(interface{ Unwrap() error }); ok {
-		a, b := err.Error(), uw.Unwrap().Error()
+		var a, b string
+		if err != nil {
+			a = err.Error()
+		}
+		if uw != nil {
+			uwerr := uw.Unwrap()
+			if uwerr != nil {
+				b = uwerr.Error()
+			}
+		}
 		c := strings.TrimSuffix(a, b)
 		return c
 	}
