technical-docs: document hash API

diff --git a/builtin-log.c b/builtin-log.c
index 7b91c914236a8e196190663fdbc3be4581539791..0cf978e0942a896606db9e4c17c9b9f0f3417daa 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -969,7 +969,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
         */
        argc = parse_options(argc, argv, prefix, builtin_format_patch_options,
                             builtin_format_patch_usage,
-                            PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN);
+                            PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
+                            PARSE_OPT_KEEP_DASHDASH);
 
        if (do_signoff) {
                const char *committer;