Make the if-up hook use "reload" rather than "restart" if the system was booted using systemd (closes: #756547).

1 files changed, 9 insertions, 3 deletions

diff --git a/debian/openssh-server.if-up b/debian/openssh-server.if-up
index de92866e6..dd05ea51c 100644
--- a/debian/openssh-server.if-up
+++ b/debian/openssh-server.if-up
@@ -30,8 +30,14 @@ if [ ! -f /var/run/sshd.pid ] || \
         exit 0
 fi
 
-# We'd like to use 'reload' here, but it has some problems; see
-# #502444.
-invoke-rc.d ssh restart >/dev/null 2>&1 || true
+# We'd like to use 'reload' here, but it has some problems; see #502444.  On
+# the other hand, repeated restarts of ssh make systemd unhappy
+# (#756547/#757822), so use reload in that case.
+if [ -d /run/systemd/system ]; then
+        action=reload
+else
+        action=restart
+fi
+invoke-rc.d ssh $action >/dev/null 2>&1 || true
 
 exit 0