Disable alias recursion (for real) (#8557)

crates/nu-command/tests/commands/alias.rs

@@ -1,3 +1,5 @@
+use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
+use nu_test_support::playground::Playground;
 use nu_test_support::{nu, pipeline};
 
 #[ignore = "TODO?: Aliasing parser keywords does not work anymore"]
@@ -110,3 +112,28 @@ fn alias_wont_recurse() {
     assert_eq!(actual.out, "hello world");
     assert!(actual.err.is_empty());
 }
+
+// Issue https://github.com/nushell/nushell/issues/8246
+#[test]
+fn alias_wont_recurse2() {
+    Playground::setup("alias_wont_recurse2", |dirs, sandbox| {
+        sandbox.with_files(vec![FileWithContentToBeTrimmed(
+            "spam.nu",
+            r#"
+                def eggs [] { spam 'eggs' }
+                alias spam = spam 'spam'
+            "#,
+        )]);
+        let actual = nu!(
+            cwd: dirs.test(), pipeline(
+            r#"
+                def spam [what: string] { 'spam ' + $what };
+                source spam.nu;
+                spam
+            "#
+        ));
+
+        assert_eq!(actual.out, "spam spam");
+        assert!(actual.err.is_empty());
+    })
+}