[Unit]
Description=Installation medium integrity check

# before starting the installer to possibly avoid installing from a broken medium
Before=agama.service

# copied from YaST2-Second-Stage.service
Before=getty@tty1.service
Before=getty@tty2.service
Before=getty@tty3.service
Before=getty@tty4.service
Before=getty@tty5.service
Before=getty@tty6.service
Before=serial-getty@hvc0.service
Before=serial-getty@sclp_line0.service
Before=serial-getty@ttyAMA0.service
Before=serial-getty@ttyS0.service
Before=serial-getty@ttyS1.service
Before=serial-getty@ttyS2.service
Before=serial-getty@ttysclp0.service

# kernel command line option
ConditionKernelCommandLine=mediacheck=1

[Service]
Type=oneshot
Environment=TERM=linux

# disable the kernel output on the console
ExecStartPre=dmesg --console-off
# disable the systemd status messages on the console
ExecStartPre=kill -SIGRTMIN+21 1

ExecStart=checkmedia-service

# enable back the kernel output on the console
ExecStartPost=dmesg --console-on
# enable back the systemd status messages on the console
ExecStartPost=kill -SIGRTMIN+20 1

StandardInput=tty
StandardOutput=tty
RemainAfterExit=true
TimeoutStartSec=infinity

[Install]
WantedBy=multi-user.target