commit: give advice on empty amend

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index b0a4029c94d1bdb1c673fe604cdbfec93df875aa..c6dd71a7bcd0dfcb4691c9ca66a0c3a7bd4dcaae 100644 (file)
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -503,7 +503,7 @@ static void export_marks(char *file)
 
        f = fopen(file, "w");
        if (!f)
-               error("Unable to open marks file %s for writing.", file);
+               die_errno("Unable to open marks file %s for writing.", file);
 
        for (i = 0; i < idnums.size; i++) {
                if (deco->base && deco->base->type == 1) {