class FastlaneCore::FastlanePty
Public Class Methods
process_status()
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to ease mocking
# File fastlane_core/lib/fastlane_core/fastlane_pty.rb, line 75 def self.process_status $? end
spawn(command, &block)
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# File fastlane_core/lib/fastlane_core/fastlane_pty.rb, line 23 def self.spawn(command, &block) spawn_with_pty(command, &block) rescue LoadError spawn_with_popen(command, &block) end
spawn_with_popen(command) { |command_stdout, command_stdin, pid| ... }
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# File fastlane_core/lib/fastlane_core/fastlane_pty.rb, line 57 def self.spawn_with_popen(command, &block) status = nil require 'open3' Open3.popen2e(command) do |command_stdin, command_stdout, p| # note the inversion status = p.value yield(command_stdout, command_stdin, status.pid) command_stdin.close command_stdout.close raise StandardError, "Process crashed" if status.signaled? status.exitstatus end rescue StandardError => e # Wrapping any error in FastlanePtyError to allow callers to see and use # $?.exitstatus that would usually get returned raise FastlanePtyError.new(e, status.exitstatus || e.exit_status, status) end
spawn_with_pty(command) { |command_stdout, command_stdin, pid| ... }
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# File fastlane_core/lib/fastlane_core/fastlane_pty.rb, line 29 def self.spawn_with_pty(command, &block) 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 status = self.process_status raise StandardError, "Process crashed" if status.signaled? status.exitstatus rescue StandardError => e # Wrapping any error in FastlanePtyError to allow callers to see and use # $?.exitstatus that would usually get returned status = self.process_status raise FastlanePtyError.new(e, status.exitstatus || e.exit_status, status) end