fast-import: duplicate into history rather than passing ownership

diff --git a/parse-options.h b/parse-options.h
index ac6ba8abf9ec7af1712486ecfe3e397359c4a67f..a4bd40bb6acf90fdafefa0983fb523dca4e8b11c 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -276,6 +276,7 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
 
 int parse_options_end(struct parse_opt_ctx_t *ctx);
 
+struct option *parse_options_dup(const struct option *a);
 struct option *parse_options_concat(struct option *a, struct option *b);
 
 /*----- some often used options -----*/