services: opensmtd: Add back option to log to syslog.

The option for syslog logging was removed in 6036f1f3053bc9b4f0411b5e8aeaab5bd7f4ec7b.

* gnu/services/mail.scm (opensmtpd-shepherd-service): When log-file is #f
daemonize and set the pid-file.

Change-Id: I356f4ccacc473def35708c114947788d485d058b
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/gnu/services/mail.scm b/gnu/services/mail.scm
index eef46d8f63d..edcc0caa97c 100644
--- a/gnu/services/mail.scm
+++ b/gnu/services/mail.scm
@@ -1744,8 +1744,11 @@ match from local for any action outbound
            (documentation "Run the OpenSMTPD daemon.")
            (start (let ((smtpd (file-append package "/sbin/smtpd")))
                     #~(make-forkexec-constructor
-                       (list #$smtpd "-d" "-f" #$config-file)
-                       #:log-file #$log-file)))
+                       (list #$smtpd "-f" #$config-file
+                             #$@(if log-file '("-d") '()))
+                       #$@(if log-file
+                              (list #:log-file log-file)
+                              (list #:pid-file "/var/run/smtpd.pid")))))
            (stop #~(make-kill-destructor))))))
 
 (define %opensmtpd-accounts