branch master updated (a24d3e9 -> 48673b3)

[Christopher Baines]

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

    from a24d3e9  Extract out the ability to delete a range of commits
     new d2646e7  Remove some non-existent imports
     new 93c9813  Fix the implementation of par-map&
     new 48673b3  Fix delete-unreferenced-derivations

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/data-deletion.scm | 58 ++++++++++++++++++++-----------------
 guix-data-service/database.scm      |  5 ----
 guix-data-service/utils.scm         |  8 +++--
 3 files changed, 37 insertions(+), 34 deletions(-)