From e628f96dcf811e6adb2b1b5f56507d4b3293bed0 Mon Sep 17 00:00:00 2001
From: h7kayama <0hideki0@gmail.com>
Date: Fri, 26 Nov 2021 16:38:14 +0900
Subject: [PATCH] #2141 fix system exit status

---
 lib/pry/pager.rb | 35 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 18 deletions(-)

diff --git a/lib/pry/pager.rb b/lib/pry/pager.rb
index e6e408984..548f589a9 100644
--- a/lib/pry/pager.rb
+++ b/lib/pry/pager.rb
@@ -127,6 +127,22 @@ def write(str)
     # to it. If `#close` is called before then, it just prints out the
     # buffered content.
     class SystemPager < NullPager
+      def initialize(*)
+        super
+        @system_pager =
+          begin
+            pager_executable = default_pager.split(' ').first
+            if Helpers::Platform.windows? || Helpers::Platform.windows_ansi?
+              `where /Q #{pager_executable}`
+            else
+              `which #{pager_executable}`
+            end
+            $CHILD_STATUS.success?
+          rescue StandardError
+            false
+          end
+      end
+
       def self.default_pager
         pager = Pry::Env['PAGER'] || ''
 
@@ -137,25 +153,8 @@ def self.default_pager
         pager
       end
 
-      @system_pager = nil
-
       def self.available?
-        if @system_pager.nil?
-          @system_pager =
-            begin
-              pager_executable = default_pager.split(' ').first
-              if Helpers::Platform.windows? || Helpers::Platform.windows_ansi?
-                `where /Q #{pager_executable}`
-              else
-                `which #{pager_executable}`
-              end
-              $CHILD_STATUS.success?
-            rescue StandardError
-              false
-            end
-        else
-          @system_pager
-        end
+        @system_pager
       end
 
       def initialize(*)