discover/grub2: Allow to separate the --id argument using a space char

[petitboot] / discover / grub2 / env.c

diff --git a/discover/grub2/env.c b/discover/grub2/env.c
index 3598927e0f295c5656e2fa93ee3192d32a18b92e..74d5729dd19bb3c81255fb38d93bc4c9f38df878 100644 (file)
--- a/discover/grub2/env.c
+++ b/discover/grub2/env.c
@@ -86,6 +86,8 @@ int builtin_load_env(struct grub2_script *script,
 
        if (!rc) {
                rc = parse_buf_to_env(script, buf, len);
+               if (rc)
+                       pb_debug_fn("Failed to set env\n");
                talloc_free(buf);
        }
 
@@ -257,6 +259,10 @@ int builtin_save_env(struct grub2_script *script,
 
                name = argv[i];
                value = script_env_get(script, name);
+               if (!value) {
+                       pb_log("Saved unset environment variable %s!\n", name);
+                       value = "";
+               }
 
                update_env(buf + siglen, len - siglen, name, value);
        }