discover/grub: Add feature variable for --id support.

Since we support --id arguments on menuentries, add the corresponding
feature variable.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

diff --git a/discover/grub2/script.c b/discover/grub2/script.c
index c4f58d92bacb27395647a23d9c4f9feb5d8d6016..642ed2a093bf1990e234fe6c916454956871c860 100644 (file)
--- a/discover/grub2/script.c
+++ b/discover/grub2/script.c
@@ -435,6 +435,9 @@ static void init_env(struct grub2_script *script)
        script_env_set(script, "prefix", prefix ? : default_prefix);
        if (prefix)
                talloc_free(prefix);
+
+       /* establish feature settings */
+       script_env_set(script, "feature_menuentry_id", "y");
 }
 
 void script_register_function(struct grub2_script *script,