index-pack: setup git repository

"git index-pack" is an independent command and does not setup git
repository while still need pack.indexversion. It may miss the
info if it is in a subdirectory of the repository.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/index-pack.c b/index-pack.c
index 52064befdbbbdf671bd08e369a133d4f1fee03c1..728af7da9c87646a869af5da5444943c0c66f89e 100644 (file)
--- a/index-pack.c
+++ b/index-pack.c
@@ -876,7 +876,9 @@ int main(int argc, char **argv)
        char *index_name_buf = NULL, *keep_name_buf = NULL;
        struct pack_idx_entry **idx_objects;
        unsigned char sha1[20];
+       int nongit = 0;
 
+       setup_git_directory_gently(&nongit);
        git_config(git_index_pack_config, NULL);
 
        for (i = 1; i < argc; i++) {