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-rw-r--r--builtin/diff-tree.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c
index 85e8c81e59..0b02c62b85 100644
--- a/builtin/diff-tree.c
+++ b/builtin/diff-tree.c
@@ -1,12 +1,15 @@
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
+#define USE_THE_INDEX_VARIABLE
#include "cache.h"
#include "config.h"
#include "diff.h"
#include "commit.h"
+#include "gettext.h"
+#include "hex.h"
#include "log-tree.h"
#include "builtin.h"
#include "submodule.h"
#include "repository.h"
+#include "tree.h"
static struct rev_info log_tree_opt;
@@ -120,7 +123,7 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix)
git_config(git_diff_basic_config, NULL); /* no "diff" UI options */
repo_init_revisions(the_repository, opt, prefix);
- if (read_cache() < 0)
+ if (repo_read_index(the_repository) < 0)
die(_("index file corrupt"));
opt->abbrev = 0;
opt->diff = 1;