[packagekit] Adding support for "prepare" in transaction_flags

[Richard Hughes]

On 3 June 2012 22:37, Richard Hughes <hughsient at gmail.com> wrote:
> * Add code in *every* pk-backend-*.c that if NO_COMMIT is present in
> transaction_flags then return ErrorCode(NO_SUPPORT)

Actually, we don't have to do that. If a backend doesn't implement
pk_backend_commit() then we can check for NO_COMMIT for each method.

Richard.