Bug#851688: systemd: Redirect try-restart in SysV init scripts

[Ondřej Nový]

Package: systemd
Version: 232-8
Severity: wishlist

When i call /etc/init.d/<script> try-restart on system with systemd,
this call is not redirected to systemd. Attached patch fixies this.

-- Package-specific info:

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.8.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  adduser         3.115
ii  libacl1         2.2.52-3
ii  libapparmor1    2.10.95-8
ii  libaudit1       1:2.6.7-1
ii  libblkid1       2.29-1
ii  libc6           2.24-8
ii  libcap2         1:2.25-1
ii  libcryptsetup4  2:1.7.3-3
ii  libgcrypt20     1.7.5-2
ii  libgpg-error0   1.26-1
ii  libidn11        1.33-1
ii  libip4tc0       1.6.0+snapshot20161117-4
ii  libkmod2        23-2
ii  liblz4-1        0.0~r131-2
ii  liblzma5        5.2.2-1.2
ii  libmount1       2.29-1
ii  libpam0g        1.1.8-3.5
ii  libseccomp2     2.3.1-2.1
ii  libselinux1     2.6-3
ii  libsystemd0     232-8
ii  mount           2.29-1
ii  util-linux      2.29-1

Versions of packages systemd recommends:
ii  dbus            1.10.14-1
ii  libpam-systemd  232-8

Versions of packages systemd suggests:
pn  policykit-1        <none>
pn  systemd-container  <none>
pn  systemd-ui         <none>

Versions of packages systemd is related to:
pn  dracut           <none>
ii  initramfs-tools  0.126
ii  udev             232-8

-- no debconf information
-------------- next part --------------
diff --git a/debian/extra/init-functions.d/40-systemd b/debian/extra/init-functions.d/40-systemd
index 459a00049..54b38148a 100644
--- a/debian/extra/init-functions.d/40-systemd
+++ b/debian/extra/init-functions.d/40-systemd
@@ -50,6 +50,9 @@ systemctl_redirect () {
         restart)
             s="Restarting $prog (via systemctl)"
             ;;
+        try-restart)
+            s="Restarting if running $prog (via systemctl)"
+            ;;
     esac
 
     service="${prog%.sh}.service"
@@ -82,7 +85,8 @@ if [ "$_use_systemctl" = "1" ]; then
         "x$1" = xrestart -o \
         "x$1" = xreload -o \
         "x$1" = xforce-reload -o \
-        "x$1" = xstatus ] ; then
+        "x$1" = xstatus -o \
+        "x$1" = xtry-restart ] ; then
 
         systemctl_redirect $0 $1
         exit $?