From 6fe17c0e063cbe07e6405fce2ce230fc26374ff9 Mon Sep 17 00:00:00 2001
From: Glen Choo <chooglen@google.com>
Date: Mon, 21 Nov 2022 16:18:27 -0800
Subject: [PATCH] cli: paginate help

This does not respect "--no-pager", support will be added in the next
commit.
---
 src/cli_util.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/cli_util.rs b/src/cli_util.rs
index 40e7a6e8bc..59bbc42935 100644
--- a/src/cli_util.rs
+++ b/src/cli_util.rs
@@ -1457,6 +1457,13 @@ pub fn handle_command_result(ui: &mut Ui, result: Result<(), CommandError>) -> i
                 inner.render().to_string()
             };
 
+            match inner.kind() {
+                clap::error::ErrorKind::DisplayHelp
+                | clap::error::ErrorKind::DisplayHelpOnMissingArgumentOrSubcommand => {
+                    ui.request_pager()
+                }
+                _ => {}
+            };
             // Definitions for exit codes and streams come from
             // https://github.com/clap-rs/clap/blob/master/src/error/mod.rs
             match inner.kind() {