Use original 'returncode' from exec command
Use original 'returncode' from exec command

valeros/platformio,ZachMassia/platformio,mcanthony/platformio,platformio/platformio,eiginn/platformio,mplewis/platformio,platformio/platformio-core,mseroczynski/platformio,dkuku/platformio,atyenoria/platformio,platformio/platformio-core