v0.13.0

Breaking Changes:

• blob
  • Modified Bucket.Attributes to return *Attributes instead of Attributes.
  • gcsblob: Modified As for Reader to return *storage.Reader, not storage.Reader.
• pubsub
  • awssnssqs: Modified OpenTopic and OpenSubscription constructors to take AWS ConfigProvider instead of the raw SNS/SQS connections.
  • awssnssqs: Changed the URL scheme from awssnssqs to awssns for Topics and awssqs for Subscriptions.
  • natspubsub: Renamed CreateTopic/CreateSubscription to OpenTopic/OpenSubscription for consistency.
• secrets
  • Some provider constructors were renamed from NewKeeper to OpenKeeper for consistency.
• runtimevar
  • Some provider constructors were renamed from NewVariable to OpenVariable for consistency.
  • Decode now takes a context.Context argument.
• server
  • New now takes an http.Handler argument (rather than passing it later in ListenAndServe).
• sql:
  • The GCP Cloud SQL/Postgres Open function now return an additional function used to close the returned *sql.DB.

Highlights:

• all: Added functions to URLMux to retrieve a slice of registered schemes (e.g., blob.DefaultURLMux().BucketSchemes(), and a separate function to see if a specific scheme has been registered (e.g., blob.DefaultURLMux().ValidBucketScheme()).
• runtimevar
  • Added a new httpvar provider.
• blob
  • Added a Copy method, for copying a blob within a Bucket.
  • azureblob: Fixed bug when using SASToken.
  • fileblob: Improved List performance when using Prefix.
  • s3blob: Fixed a bug where Attribute.MD5 would sometimes report an incorrect MD5 hash.
• pubsub
  • A bunch of performance improvements in the portable type and in various providers.
  • Added support for Nack.
• secrets
  • Added a Close function to Keeper.
• sql
  • Added support for Azure Database for MySQL.
  • Added URLOpener support for GCP PostgreSQL and RDS PostgreSQL.