git-commit --amend: allow empty commit.

diff --git a/diff-tree.c b/diff-tree.c
index b170b03fd34da719b322b49d9718262a625df357..f55a35a9d5f9ae4e3f7d3fd778a953cc9cc533ad 100644 (file)
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -6,7 +6,7 @@ static int show_root_diff = 0;
 static int no_commit_id = 0;
 static int verbose_header = 0;
 static int ignore_merges = 1;
-static int combine_merges = 1;
+static int combine_merges = 0;
 static int dense_combined_merges = 0;
 static int read_stdin = 0;
 static int always_show_header = 0;
@@ -248,7 +248,7 @@ int main(int argc, const char **argv)
                        continue;
                }
                if (!strcmp(arg, "-m")) {
-                       combine_merges = ignore_merges = 0;
+                       ignore_merges = 0;
                        continue;
                }
                if (!strcmp(arg, "-c")) {