X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=show-branch.c;h=24efb65e622d8dfe44db22e5bc23c9f8cc328109;hb=5cf7e21fbc1819de7975b17f4b19cfdc3a057c1d;hp=5a86ae2f9ed3159d082158c04bea51c39cb4477f;hpb=0f4aa3993de5fc7252e43ebd872fd9e4b615873d;p=git.git

diff --git a/show-branch.c b/show-branch.c
index 5a86ae2f..24efb65e 100644
--- a/show-branch.c
+++ b/show-branch.c
@@ -5,7 +5,7 @@
 #include "refs.h"
 
 static const char show_branch_usage[] =
-"git-show-branch [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [<refs>...]";
+"git-show-branch [--current] [--all] [--heads] [--tags] [--topo-order] [--more=count | --list | --independent | --merge-base ] [--topics] [<refs>...]";
 
 static int default_num = 0;
 static int default_alloc = 0;
@@ -547,6 +547,7 @@ int main(int ac, char **av)
 	int shown_merge_point = 0;
 	int with_current_branch = 0;
 	int head_at = -1;
+	int topics = 0;
 
 	setup_git_directory();
 	git_config(git_show_branch_config);
@@ -587,6 +588,8 @@ int main(int ac, char **av)
 			independent = 1;
 		else if (!strcmp(arg, "--topo-order"))
 			lifo = 1;
+		else if (!strcmp(arg, "--topics"))
+			topics = 1;
 		else if (!strcmp(arg, "--date-order"))
 			lifo = 0;
 		else
@@ -724,11 +727,17 @@ int main(int ac, char **av)
 	while (seen) {
 		struct commit *commit = pop_one_commit(&seen);
 		int this_flag = commit->object.flags;
+		int is_merge_point = ((this_flag & all_revs) == all_revs);
 
-		shown_merge_point |= ((this_flag & all_revs) == all_revs);
+		shown_merge_point |= is_merge_point;
 
 		if (1 < num_rev) {
 			int is_merge = !!(commit->parents && commit->parents->next);
+			if (topics &&
+			    !is_merge_point &&
+			    (this_flag & (1u << REV_SHIFT)))
+				continue;
+
 			for (i = 0; i < num_rev; i++) {
 				int mark;
 				if (!(this_flag & (1u << (i + REV_SHIFT))))