pack-objects: use argv_array

This saves us from having to bump the rp_av count when we
add new traversal options.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 4df9499040d4b740906f3a74c0217295371c4272..b26276b4240558d10455d478a586def319106951 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -22,6 +22,7 @@
 #include "pack-bitmap.h"
 #include "reachable.h"
 #include "sha1-array.h"
+#include "argv-array.h"
 
 static const char *pack_usage[] = {
        N_("git pack-objects --stdout [options...] [< ref-list | < object-list]"),
@@ -2614,8 +2615,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
        int use_internal_rev_list = 0;
        int thin = 0;
        int all_progress_implied = 0;
-       const char *rp_av[6];
-       int rp_ac = 0;
+       struct argv_array rp = ARGV_ARRAY_INIT;
        int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0;
        struct option pack_objects_options[] = {
                OPT_SET_INT('q', "quiet", &progress,
@@ -2705,24 +2705,24 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
        if (pack_to_stdout != !base_name || argc)
                usage_with_options(pack_usage, pack_objects_options);
 
-       rp_av[rp_ac++] = "pack-objects";
+       argv_array_push(&rp, "pack-objects");
        if (thin) {
                use_internal_rev_list = 1;
-               rp_av[rp_ac++] = "--objects-edge";
+               argv_array_push(&rp, "--objects-edge");
        } else
-               rp_av[rp_ac++] = "--objects";
+               argv_array_push(&rp, "--objects");
 
        if (rev_list_all) {
                use_internal_rev_list = 1;
-               rp_av[rp_ac++] = "--all";
+               argv_array_push(&rp, "--all");
        }
        if (rev_list_reflog) {
                use_internal_rev_list = 1;
-               rp_av[rp_ac++] = "--reflog";
+               argv_array_push(&rp, "--reflog");
        }
        if (rev_list_unpacked) {
                use_internal_rev_list = 1;
-               rp_av[rp_ac++] = "--unpacked";
+               argv_array_push(&rp, "--unpacked");
        }
 
        if (!reuse_object)
@@ -2766,8 +2766,8 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
        if (!use_internal_rev_list)
                read_object_list_from_stdin();
        else {
-               rp_av[rp_ac] = NULL;
-               get_object_list(rp_ac, rp_av);
+               get_object_list(rp.argc, rp.argv);
+               argv_array_clear(&rp);
        }
        cleanup_preferred_base();
        if (include_tag && nr_result)