From b5325f45ff68c69d56314d51bd4261a40fa0d697 Mon Sep 17 00:00:00 2001
From: Kyle Robbertze <krobbertze@gmail.com>
Date: Mon, 18 Feb 2019 13:04:08 +0200
Subject: [PATCH] Fix systemd detection logic

---
 install | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/install b/install
index bb8de1d60..bd46d036e 100755
--- a/install
+++ b/install
@@ -152,11 +152,11 @@ function systemInitDetect() {
     # Get package of PID=1 path as it identifies the init system.
     # Allow this to fail, at least then the init system can be guessed from the
     # PID 1 executable alone
-    pid_1_package=$(dpkg -S $pid_1_path 2>/dev/null || 
+    pid_1_package=$(dpkg -S $pid_1_path 2>/dev/null ||
                     rpm --qf '%{name}\n' -qf $pid_1_path 2>/dev/null ||
                     echo "unknown")
     verbose "Detected package name for PID=1 process: $pid_1_package"
-    case "${pid_1_package:$pid_1_path}" in
+    case "${pid_1_package}:${pid_1_path}" in
       *systemd*) has_systemd_init=true; verbose "Detected init system type: systemd" ;;
       *upstart*) has_upstart_init=true; verbose "Detected init system type: Upstart" ;;
       *sysvinit*) has_systemv_init=true; verbose "Detected init system type: System V" ;;