branch master updated (ad93a78 -> 1a0c559)

[Christopher Baines]

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

    from ad93a78  Improve the inferior cleanup when computing package 
derivations
     new 38b3657  Use advisory locks to avoid deadlocks during data deletion
     new 1a0c559  Do derivation inputs and outputs housekeeping at the end of 
each job

The 2 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/data-deletion.scm               |  8 +++
 guix-data-service/jobs/load-new-guix-revision.scm | 16 ++++++
 guix-data-service/model/derivation.scm            | 65 ++++++++++++++++++++++-
 3 files changed, 88 insertions(+), 1 deletion(-)