[shepherd] branch master updated (25aa597 -> 852341e)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository shepherd.

      from  25aa597   service: Raise specific error conditions for missing 
services.
       new  7a84192   Command replies are always sexps.
       new  a70b2ca   Add '&unknown-action-error'.
       new  6aff238   herd: Interpret 'start' failures as an error.
       new  ba58286   doc: Mention exit code of 'herd'.
       new  852341e   Add '&action-runtime-error'.

The 5 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 modules/herd.scm             |  120 +++++++++++++++++++++------------
 modules/shepherd.scm         |   69 +++++++++++--------
 modules/shepherd/comm.scm    |   51 ++++++++++++++-
 modules/shepherd/service.scm |  152 +++++++++++++++++++++++++++---------------
 modules/shepherd/support.scm |   11 ---
 shepherd.texi                |    6 ++
 tests/basic.sh               |   24 ++++++-
 tests/status-sexp.sh         |   39 ++++++-----
 8 files changed, 315 insertions(+), 157 deletions(-)