parseopt: handle malformed --expire arguments more nicely

diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 7e15d01f36396fdc6b630eb43a5f36d462fb78e6..b775a756470ddc365907fae53dcc949bcaae7ca5 100644 (file)
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "diff.h"
 #include "commit.h"
 #include "log-tree.h"
@@ -109,7 +110,8 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
 
        git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
        init_revisions(opt, prefix);
-       gitmodules_config();
+       if (read_cache() < 0)
+               die(_("index file corrupt"));
        opt->abbrev = 0;
        opt->diff = 1;
        opt->disable_stdin = 1;