diff-tree --cc: denser combined diff output for a merge commit.

[git.git] / diff-tree.c

diff --git a/diff-tree.c b/diff-tree.c
index 0c68936..99c580c 100644 (file)
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -8,6 +8,7 @@ static int verbose_header = 0;
 static int ignore_merges = 1;
 static int show_empty_combined = 0;
 static int combine_merges = 0;
+static int dense_combined_merges = 0;
 static int read_stdin = 0;
 
 static const char *header = NULL;
@@ -121,7 +122,8 @@ static int diff_tree_commit(const unsigned char *commit_sha1)
                        header = generate_header(sha1, sha1,
                                                 commit->buffer);
                        return diff_tree_combined_merge(sha1, header,
-                                                       show_empty_combined);
+                                                       show_empty_combined,
+                                                       dense_combined_merges);
                }
        }
 
@@ -168,7 +170,7 @@ static int diff_tree_stdin(char *line)
 }
 
 static const char diff_tree_usage[] =
-"git-diff-tree [--stdin] [-m] [-c] [-s] [-v] [--pretty] [-t] [-r] [--root] "
+"git-diff-tree [--stdin] [-m] [-c] [--cc] [-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"
@@ -235,6 +237,10 @@ int main(int argc, const char **argv)
                        combine_merges = 1;
                        continue;
                }
+               if (!strcmp(arg, "--cc")) {
+                       dense_combined_merges = combine_merges = 1;
+                       continue;
+               }
                if (!strcmp(arg, "-v")) {
                        verbose_header = 1;
                        header_prefix = "diff-tree ";