Merge branch 'gs/commit-graph-trace-with-cmd'

Dev support.

* gs/commit-graph-trace-with-cmd:
  commit-graph: emit trace2 cmd_mode for each sub-command

diff --cc builtin/commit-graph.c
index a6c500d,ef68b26..addc8d4
--- 1/builtin/commit-graph.c
--- 2/builtin/commit-graph.c
+++ b/builtin/commit-graph.c
@@@ -60,7 -58,8 +60,9 @@@ static int graph_verify(int argc, cons
                OPT_END(),
        };
  
+       trace2_cmd_mode("verify");
+ 
 +      opts.progress = isatty(2);
        argc = parse_options(argc, argv, NULL,
                             builtin_commit_graph_verify_options,
                             builtin_commit_graph_verify_usage, 0);