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#2141 fix Kernel.system() exit status #2226

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#2141 fix Kernel.system() exit status #2226

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37 changes: 16 additions & 21 deletions lib/pry/pager.rb
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Expand Up @@ -137,32 +137,27 @@ 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(*)
super
@tracker = PageTracker.new(height, width)
@buffer = ""
@pager = nil
@tracker = PageTracker.new(height, width)
@buffer = ""
@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
end

def write(str)
Expand Down