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-rw-r--r--discover/grub2/env.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/discover/grub2/env.c b/discover/grub2/env.c
index 3598927..7eda095 100644
--- a/discover/grub2/env.c
+++ b/discover/grub2/env.c
@@ -257,6 +257,10 @@ 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);
}
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