init, clone: support --separate-git-dir for .git file

diff --git a/builtin/diff-index.c b/builtin/diff-index.c
index 04837494feba401c7f689eab5574768d3fd126de..2eb32bd9da8cfa4d7b1b99f9d22ffa5b3d6202e5 100644 (file)
--- a/builtin/diff-index.c
+++ b/builtin/diff-index.c
@@ -3,6 +3,7 @@
 #include "commit.h"
 #include "revision.h"
 #include "builtin.h"
+#include "submodule.h"
 
 static const char diff_cache_usage[] =
 "git diff-index [-m] [--cached] "
@@ -17,6 +18,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
        int result;
 
        init_revisions(&rev, prefix);
+       gitmodules_config();
        git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
        rev.abbrev = 0;