Re: [PATCH 8/9] repack: implement `--filter-to` for storing filtered out objects

diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index aa29c7e648..070dd22610 100644
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt

@@ -148,6 +148,12 @@ depth is 4095.
 	resulting packfile and put them into a separate packfile. See
 	linkgit:git-rev-list[1] for valid `<filter-spec>` forms.

+--filter-to=<dir>::
+	Write the pack containing filtered out objects to the
+	directory `<dir>`. This can be used for putting the pack on a
+	separate object directory that is accessed through the Git
+	alternates mechanism. Only useful with `--filter`.

@@ -1073,8 +1077,11 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 		strvec_push(&cmd.args, "--incremental");
 	}

-	if (po_args.filter)
-		prepare_pack_filtered_cmd(&pack_filtered_cmd, &po_args, packtmp);
+	if (po_args.filter) {
+		if (!filter_to)
+			filter_to = packtmp;
+		prepare_pack_filtered_cmd(&pack_filtered_cmd, &po_args, filter_to);
+	}