Add prepare-sources hook target (#189)
Add prepare-sources hook target (#189)


aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-init,rjschwei/amazon-ecs-init,rjschwei/amazon-ecs-init,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,aws/amazon-ecs-agent,aws/amazon-ecs-agent,aws/amazon-ecs-init,aws/amazon-ecs-init