Imports github.com/aws/aws-sdk-go/aws/awserr github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/google/subcommands github.com/sergi/go-diff/diffmatchpatch gopkg.in/yaml.v2 github.com/Songmu/prompter github.com/aws/aws-sdk-go/aws Standard library imports bytes context flag fmt io/ioutil net/url os