git-upload-pack: Support the multi_ack protocol

[git.git] / diff-tree.c

diff --git a/diff-tree.c b/diff-tree.c
index 382011a..ed323d8 100644 (file)
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -149,8 +149,10 @@ static int diff_tree_stdin(char *line)
 }
 
 static const char diff_tree_usage[] =
-"git-diff-tree [--stdin] [-m] [-s] [-v] [--pretty] [-t] "
-"[<common diff options>] <tree-ish> <tree-ish>"
+"git-diff-tree [--stdin] [-m] [-s] [-v] [--pretty] [-t] [-r] [--root] "
+"[<common diff options>] <tree-ish> [<tree-ish>] [<path>...]\n"
+"  -r            diff recursively\n"
+"  --root        include the initial commit as diff against /dev/null\n"
 COMMON_DIFF_OPTIONS_HELP;
 
 int main(int argc, const char **argv)