scripts/get-init-system.sh: throw away error from upstart checking

bab2d737 · Lucas Russo · 08914f82 · bab2d737
Commit bab2d737 authored Mar 07, 2016 by Lucas Russo
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get-init-system.sh scripts/get-init-system.sh +3 -1

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--- a/scripts/get-init-system.sh
+++ b/scripts/get-init-system.sh
@@ -3,7 +3,9 @@
 # Based from the stackexchange answer
 # http://unix.stackexchange.com/questions/18209/detect-init-system-using-the-shell

-if [[ `/sbin/init --version` =~ upstart ]]; then
+IS_UPSTART=$(/sbin/init --version 2> /dev/null)
+
+if [[ ${IS_UPSTART} =~ upstart ]]; then
    echo "upstart";
 elif [[ `systemctl` =~ -\.mount ]]; then
    echo "systemd";