master updated (966505d -> 0a9776e)

[Ludovic Courtès]

civodul pushed a change to branch master.

    from 966505d  Update TODO.
     new c5ecec3  remote-server: Slightly improve ‘ensure-path*’ error messages.
     new 159cadc  remote: Improve error messages in ‘send-log’.
     new 3bbb5c8  store: ‘build-derivations&’ enforces synchronization with the 
build.
     new 4cc37f5  remote-worker: Ignore the return value of 
‘build-derivations&’.
     new 2eb3e13  remote-worker: Discard log anytime ‘send-log’ throws.
     new 505ce3f  Switch from SRFI-11 to SRFI-71.
     new 3cbaa56  remote-server: Tweak message.
     new 4763242  remote-worker: Periodically delete old GC roots.
     new 0a9776e  remote-worker: Use a separate GC root directory.


Summary of changes:
 src/cuirass/base.scm                  | 34 ++++++++++++-----------
 src/cuirass/http.scm                  | 11 ++++----
 src/cuirass/remote.scm                | 21 ++++++++++-----
 src/cuirass/scripts/remote-server.scm | 12 +++++----
 src/cuirass/scripts/remote-worker.scm | 51 ++++++++++++++++++-----------------
 src/cuirass/store.scm                 | 46 +++++++++++++++----------------
 src/cuirass/zabbix.scm                | 13 +++++----
 7 files changed, 101 insertions(+), 87 deletions(-)