repack: accept --threads=<n> and pass it down to pack-objects

We already do so for --window=<n> and --depth=<n>; this will help
when the user wants to force --threads=1 for reproducible testing
without getting affected by racing multiple threads.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index 26afe6ed549002f83296e76d8be6502332bc7edf..ae750e9e1149f512dd5889a8081452055ccdb6d7 100644 (file)
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt
@@ -9,7 +9,7 @@ git-repack - Pack unpacked objects in a repository
 SYNOPSIS
 --------
 [verse]
-'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [-b] [--window=<n>] [--depth=<n>]
+'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [-b] [--window=<n>] [--depth=<n>] [--threads=<n>]
 
 DESCRIPTION
 -----------
@@ -92,6 +92,9 @@ other objects in that pack they already have locally.
        to be applied that many times to get to the necessary object.
        The default value for --window is 10 and --depth is 50.
 
+--threads=<n>::
+       This option is passed through to `git pack-objects`.
+
 --window-memory=<n>::
        This option provides an additional limit on top of `--window`;
        the window size will dynamically scale down so as to not take

diff --git a/builtin/repack.c b/builtin/repack.c
index 677bc7c81a2be11b287f3b05f91742216fbe1d51..38ba4ef825ebf4791afb50e72e69bdb61db2aa14 100644 (file)
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -155,6 +155,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
        int keep_unreachable = 0;
        const char *window = NULL, *window_memory = NULL;
        const char *depth = NULL;
+       const char *threads = NULL;
        const char *max_pack_size = NULL;
        int no_reuse_delta = 0, no_reuse_object = 0;
        int no_update_server_info = 0;
@@ -190,6 +191,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
                                N_("same as the above, but limit memory size instead of entries count")),
                OPT_STRING(0, "depth", &depth, N_("n"),
                                N_("limits the maximum delta depth")),
+               OPT_STRING(0, "threads", &threads, N_("n"),
+                               N_("limits the maximum number of threads")),
                OPT_STRING(0, "max-pack-size", &max_pack_size, N_("bytes"),
                                N_("maximum size of each packfile")),
                OPT_BOOL(0, "pack-kept-objects", &pack_kept_objects,
@@ -234,6 +237,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
                argv_array_pushf(&cmd.args, "--window-memory=%s", window_memory);
        if (depth)
                argv_array_pushf(&cmd.args, "--depth=%s", depth);
+       if (threads)
+               argv_array_pushf(&cmd.args, "--threads=%s", threads);
        if (max_pack_size)
                argv_array_pushf(&cmd.args, "--max-pack-size=%s", max_pack_size);
        if (no_reuse_delta)