master updated (f090c0f -> 074b9d0)

[Ludovic Courtès]

civodul pushed a change to branch master.

      from  f090c0f   utils: Add critical sections.
       new  2feb3b8   evaluate: Pass the file name and revision to the user 
procedure.
       new  fc24ca2   database: Add 'db-get-pending-derivations'.
       new  074b9d0   base: Let sqlite handle deduplication of the list of 
pending derivations.


Summary of changes:
 bin/cuirass.in           | 11 +++----
 bin/evaluate.in          |  7 ++++-
 examples/random-jobs.scm |  4 +++
 src/cuirass/base.scm     | 82 +++++++++++++++++-------------------------------
 src/cuirass/database.scm | 17 ++++++++++
 tests/database.scm       | 23 ++++++++++++++
 6 files changed, 82 insertions(+), 62 deletions(-)