[shepherd] branch master updated (6aa25f0 -> 01db655)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository shepherd.

    from 6aa25f0  service: 'start-in-parallel' catches 'start' failures.
     new 28c8d3b  Remove unused private procedure.
     new 90078da  service: Remove undocumented 'depends-resolved?' method.
     new 53c6e74  service: Soften message when 'stop' returns a truth value.
     new 51988c8  service: Remove unused variable in 'shutdown-services'.
     new 84fb3f1  service: Unregistering no longer leads to service duplicates.
     new c726650  service: Terminate controlling fiber of unregistered services.
     new efa9be4  service: Remove 'replacement' slot, thread it in the 
controller.
     new 01db655  support: Add 'let-loop' and use it in 'service-controller'.

The 8 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:
 .dir-locals.el               |   1 +
 doc/shepherd.texi            |   9 ---
 modules/shepherd.scm         |  20 ------
 modules/shepherd/service.scm | 154 ++++++++++++++++++++++++-------------------
 modules/shepherd/support.scm |  38 +++++++++++
 5 files changed, 124 insertions(+), 98 deletions(-)