branch master updated (6bc1da0 -> 5b13ee2)

[Christopher Baines]

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

    from 6bc1da0  Better handle loading the (guix i18n) module in the inferior
     new fb180e1  Replace debug-set! with setenv COLUMNS
     new 992a0af  Split off delete-revisions-from-branch from 
delete-data-for-branch
     new 65e8bf3  Add delete-revisions-from-branch-except-most-recent-n
     new 52a23a5  Further data deletion improvements
     new 5b13ee2  Delete builds for unreferenced derivations

The 5 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                | 221 +++++++++++++++------
 .../package-derivation-by-guix-revision-range.scm  |   4 +-
 scripts/guix-data-service-process-job.in           |   3 +-
 3 files changed, 164 insertions(+), 64 deletions(-)