Check for closed channels as opposed to using a separate closeRetry channel
Check for closed channels as opposed to using a separate closeRetry channel

pecigonzalo/packer,ricardclau/packer,mitchellh/packer,rnaveiras/packer,mitchellh/packer,pecigonzalo/packer,ricardclau/packer,rnaveiras/packer,ricardclau/packer,ricardclau/packer,mitchellh/packer,pecigonzalo/packer,mitchellh/packer,ricardclau/packer,ricardclau/packer,rnaveiras/packer,hashicorp/packer,mitchellh/packer,hashicorp/packer,pecigonzalo/packer,hashicorp/packer,rnaveiras/packer,hashicorp/packer,rnaveiras/packer,rnaveiras/packer