check to make sure we have data first (#4484)

2022-02-15 15:08:11 -06:00 · 2022-02-15 15:08:11 -06:00 · f11fa99d30
commit f11fa99d30
parent 56b3fc61a3
1 changed files with 7 additions and 0 deletions
--- a/crates/nu-command/src/filters/sort_by.rs
+++ b/crates/nu-command/src/filters/sort_by.rs
@ -138,6 +138,13 @@ pub fn sort(
    insensitive: bool,
    config: &Config,
 ) -> Result<(), ShellError> {
+    if vec.is_empty() {
+        return Err(ShellError::LabeledError(
+            "no values to work with".to_string(),
+            "no values to work with".to_string(),
+        ));
+    }
+
    match &vec[0] {
        Value::Record {
            cols,