pry#2141 fix system exit status

h7kayama · Nov 26, 2021 · e628f96 · e628f96
1 parent 5590e09
commit e628f96
Showing 1 changed file with 17 additions and 18 deletions.
diff --git 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(*)