I was mostly adding the system test, but also ended up reworking the
service so that Shepherd knows about the PID file.


Christopher Baines (4):
  services: Rework the PostgreSQL config file to use a record type.
  services: Use a external pid file for PostgreSQL.
  tests: databases: Add a system test for PostgreSQL.
  services: databases: Add postgresql-configuration record exports.

 gnu/services/databases.scm | 125 ++++++++++++++++++++++++++++++++++++---------
 gnu/tests/databases.scm    |  59 +++++++++++++++++++++
 2 files changed, 161 insertions(+), 23 deletions(-)