don't display errors

config/files/usr/lib/systemd/system/rpm-ostreed-deployed.service

@@ -4,6 +4,9 @@ Wants=rpm-ostreed-deployed.timer
 
 [Service]
 Type=simple
+# Do not log an error if it is not run
+# Make sure your own process writes to journal for debugging it's errors
+StandardError=null
 ExecStartPre=/usr/bin/env bash -c 'journalctl --boot=-1 -u ostree-finalize-staged.service | grep "Finalizing staged deployment"'
 #return 0 if there was a deployment and 1 if there was no deployment
 ExecStart=/usr/bin/env bash -c 'echo "There was a deployment and this is the firstboot!" > /tmp/firstboot_post_deployment.txt'

config/files/usr/lib/systemd/system/rpm-ostreed-firstboot.service

@@ -4,6 +4,9 @@ Wants=rpm-ostreed-firstboot.timer
 
 [Service]
 Type=simple
+# Do not log an error if it is not run
+# Make sure your own process writes to journal for debugging it's errors
+StandardError=null
 ExecStartPre=/usr/bin/env bash -c "journalctl --list-boots | wc -l | awk '$1>2{exit 1}"
 #return 0 if there is no more than 2 lines, 1 if more than 2 lines
 ExecStart=/usr/bin/env bash -c 'echo "This is the firstboot of the system !" > /tmp/firstboot_post_freshinstall.txt'