diff options
| -rw-r--r-- | builtin-archive.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/builtin-archive.c b/builtin-archive.c index 12351e9dd5..446d6bff30 100644 --- a/builtin-archive.c +++ b/builtin-archive.c @@ -106,13 +106,17 @@ int cmd_archive(int argc, const char **argv, const char *prefix) if (format) { sprintf(fmt_opt, "--format=%s", format); /* - * This is safe because either --format and/or --output must - * have been given on the original command line if we get to - * this point, and parse_options() must have eaten at least - * one argument, i.e. we have enough room to append to argv[]. + * We have enough room in argv[] to muck it in place, + * because either --format and/or --output must have + * been given on the original command line if we get + * to this point, and parse_options() must have eaten + * it, i.e. we can add back one element to the array. + * But argv[] may contain "--"; we should make it the + * first option. */ - argv[argc++] = fmt_opt; - argv[argc] = NULL; + memmove(argv + 2, argv + 1, sizeof(*argv) * argc); + argv[1] = fmt_opt; + argv[++argc] = NULL; } if (remote) |