git am: Display some help text when patch is empty

diff --git a/run-command.c b/run-command.c
index c8d53795ec3ae9b8b0a73b3d6900c1a1f212d2c2..c7793f50fbe0a43495c2b2d36a47c0b5aac37483 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -342,8 +342,6 @@ int start_command(struct child_process *cmd)
        else if (cmd->out > 1)
                fhout = dup(cmd->out);
 
-       if (cmd->dir)
-               die("chdir in start_command() not implemented");
        if (cmd->env)
                env = make_augmented_environ(cmd->env);
 
@@ -353,7 +351,7 @@ int start_command(struct child_process *cmd)
                cmd->argv = prepare_shell_cmd(cmd->argv);
        }
 
-       cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env,
+       cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env, cmd->dir,
                                  fhin, fhout, fherr);
        failed_errno = errno;
        if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT))
@@ -385,6 +383,8 @@ int start_command(struct child_process *cmd)
                        close(cmd->out);
                if (need_err)
                        close_pair(fderr);
+               else if (cmd->err)
+                       close(cmd->err);
                errno = failed_errno;
                return -1;
        }