Sha256: a5d6f90dfffdbe3273eb0516fc5798cf14f65571a8dca1b48e0214c5bd1dcf66
Contents?: true
Size: 1.8 KB
Versions: 8
Compression:
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Contents
# Source: Mix of https://github.com/johnknapprs/pantograph/pull/7202/files,
# https://github.com/johnknapprs/pantograph/pull/11384#issuecomment-356084518 and
# https://github.com/DragonBox/u3d/blob/59e471ad78ac00cb629f479dbe386c5ad2dc5075/lib/u3d_core/command_runner.rb#L88-L96
class StandardError
def exit_status
return -1
end
end
module PantographCore
class PantographPtyError < StandardError
attr_reader :exit_status
def initialize(e, exit_status)
super(e)
set_backtrace(e.backtrace) if e
@exit_status = exit_status
end
end
class PantographPty
def self.spawn(command)
require 'pty'
PTY.spawn(command) do |command_stdout, command_stdin, pid|
begin
yield(command_stdout, command_stdin, pid)
rescue Errno::EIO
# Exception ignored intentionally.
# https://stackoverflow.com/questions/10238298/ruby-on-linux-pty-goes-away-without-eof-raises-errnoeio
# This is expected on some linux systems, that indicates that the subcommand finished
# and we kept trying to read, ignore it
ensure
begin
Process.wait(pid)
rescue Errno::ECHILD, PTY::ChildExited
# The process might have exited.
end
end
end
$?.exitstatus
rescue LoadError
require 'open3'
Open3.popen2e(command) do |command_stdin, command_stdout, p| # note the inversion
yield(command_stdout, command_stdin, p.value.pid)
command_stdin.close
command_stdout.close
p.value.exitstatus
end
rescue StandardError => e
# Wrapping any error in PantographPtyError to allow
# callers to see and use $?.exitstatus that
# would usually get returned
raise PantographPtyError.new(e, $?.exitstatus)
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems