repack: turn exts array into array-of-struct

This is slightly more verbose, but will let us annotate the
extensions with further options in future commits.

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

diff --git a/builtin/repack.c b/builtin/repack.c
index 2e88975..a176de2 100644 (file)
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -115,7 +115,12 @@ static void remove_redundant_pack(const char *dir_name, const char *base_name)
 
 int cmd_repack(int argc, const char **argv, const char *prefix)
 {
-       const char *exts[] = {".pack", ".idx"};
+       struct {
+               const char *name;
+       } exts[] = {
+               {".pack"},
+               {".idx"},
+       };
        struct child_process cmd;
        struct string_list_item *item;
        struct argv_array cmd_args = ARGV_ARRAY_INIT;
@@ -261,14 +266,14 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
                for (ext = 0; ext < ARRAY_SIZE(exts); ext++) {
                        char *fname, *fname_old;
                        fname = mkpathdup("%s/%s%s", packdir,
-                                               item->string, exts[ext]);
+                                               item->string, exts[ext].name);
                        if (!file_exists(fname)) {
                                free(fname);
                                continue;
                        }
 
                        fname_old = mkpath("%s/old-%s%s", packdir,
-                                               item->string, exts[ext]);
+                                               item->string, exts[ext].name);
                        if (file_exists(fname_old))
                                if (unlink(fname_old))
                                        failed = 1;
@@ -319,9 +324,9 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
                        char *fname, *fname_old;
                        struct stat statbuffer;
                        fname = mkpathdup("%s/pack-%s%s",
-                                       packdir, item->string, exts[ext]);
+                                       packdir, item->string, exts[ext].name);
                        fname_old = mkpathdup("%s-%s%s",
-                                       packtmp, item->string, exts[ext]);
+                                       packtmp, item->string, exts[ext].name);
                        if (!stat(fname_old, &statbuffer)) {
                                statbuffer.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
                                chmod(fname_old, statbuffer.st_mode);
@@ -340,7 +345,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
                        fname = mkpath("%s/old-pack-%s%s",
                                        packdir,
                                        item->string,
-                                       exts[ext]);
+                                       exts[ext].name);
                        if (remove_path(fname))
                                warning(_("removing '%s' failed"), fname);
                }