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-rw-r--r--builtin/diff.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/builtin/diff.c b/builtin/diff.c
index 64ac8ae..cb98811 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -18,7 +18,7 @@
#include "log-tree.h"
#include "builtin.h"
#include "submodule.h"
-#include "sha1-array.h"
+#include "oid-array.h"
#define DIFF_NO_INDEX_EXPLICIT 1
#define DIFF_NO_INDEX_IMPLICIT 2
@@ -376,16 +376,25 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
/*
* We could get N tree-ish in the rev.pending_objects list.
- * Also there could be M blobs there, and P pathspecs.
+ * Also there could be M blobs there, and P pathspecs. --cached may
+ * also be present.
*
* N=0, M=0:
- * cache vs files (diff-files)
+ * cache vs files (diff-files)
+ *
+ * N=0, M=0, --cached:
+ * HEAD vs cache (diff-index --cached)
+ *
* N=0, M=2:
* compare two random blobs. P must be zero.
+ *
* N=0, M=1, P=1:
- * compare a blob with a working tree file.
+ * compare a blob with a working tree file.
*
* N=1, M=0:
+ * tree vs files (diff-index)
+ *
+ * N=1, M=0, --cached:
* tree vs cache (diff-index --cached)
*
* N=2, M=0: