juju/juju — pull request #130 by voidspace (2014-06-19 11:32:25+00:00)
Title: Switch backup download to Digest header

apiserver/backup: switch the http header to the RFC 3230 Digest header

The backup download api sends an sha hash as a header. RFC 3230
defines a standard for this header, using a base64 encoded SHA1 hash.