branch master updated (261552b -> 3081887)

[Christopher Baines]

cbaines pushed a change to branch master
in repository data-service.

    from 261552b  Speed up inserting missing derivation sources
     new 947cabb  Replace derivation-file-names->vhash
     new abff41f  Neaten up formatting in select-derivation-output-id
     new 3081887  Optimise inserting derivation inputs

The 3 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 guix-data-service/model/derivation.scm | 299 +++++++++++++++------------------
 1 file changed, 131 insertions(+), 168 deletions(-)