Merge branch 'jk/common-main'

Fix for a small regression in a topic already in 'master'.

* jk/common-main:
  common-main: stop munging argv[0] path

git.c

@@ -654,6 +654,11 @@ int cmd_main(int argc, const char **argv)
 	cmd = argv[0];
 	if (!cmd)
 		cmd = "git-help";
+	else {
+		const char *slash = find_last_dir_sep(cmd);
+		if (slash)
+			cmd = slash + 1;
+	}
 
 	trace_command_performance(argv);