xread/xwrite: do not worry about EINTR at calling sites.

diff --git a/merge-index.c b/merge-index.c
index 727527fd59480a11a563108fa5d55a2696a40e98..024196e7ac53cb9ad09b38ea646bad81aff33306 100644 (file)
--- a/merge-index.c
+++ b/merge-index.c
@@ -102,6 +102,7 @@ int main(int argc, char **argv)
        if (argc < 3)
                usage("git-merge-index [-o] [-q] <merge-program> (-a | <filename>*)");
 
+       setup_git_directory();
        read_cache();
 
        i = 1;