[arch] split disclaimer, fixes #64

DISCLAIMER.txt

@@ -4,4 +4,4 @@ liability for any loss or damage as a result of the use or misuse. USE AT YOUR
 OWN RISK. You have root access to this system and can potentially brick and
 damage the hardware from the command line interface - be responsible and when in
 doubt consult with apertus° before doing anything potentially harmful to your
-camera.
+camera.

makefiles/in_chroot/install.sh

@@ -118,6 +118,10 @@ if [ -d overlay ]; then
     fi
 fi
 
+# copy the full disclaimer to its place
+DISCLAIMER_FILE=/etc/DISCLAIMER.txt
+cp DISCLAIMER.txt $DISCLAIMER_FILE
+
 # install /etc/issue generating service
 cp software/configs/gen_etc_issue.service /etc/systemd/system/
 systemctl enable gen_etc_issue.service
@@ -127,9 +131,10 @@ echo -e "\033[38;5;15m$(tput bold)$(figlet "AXIOM ${DEVICE^}")  $(tput sgr0)" >
 echo "Software version $(git describe --always --abbrev=8 --dirty). Last updated on $(date +"%d.%m.%y %H:%M UTC")" >> /etc/motd
 echo "To update, run \"axiom-update\"." >> /etc/motd
 echo "" >> /etc/motd
-echo "$(tput setaf 1)$(cat DISCLAIMER.txt)$(tput sgr0)" >> /etc/motd
+echo "$(tput setaf 1)This device and it's software is provided without warranty of merchantability or fitness for any particular purpose. Be careful when doing anything potentially harmful to your camera. See full disclaimer in $DISCLAIMER_FILE $(tput sgr0)" >> /etc/motd
 echo "" >> /etc/motd
 
+# generate fstab
 echo "PARTUUID=f37043ff-02 /     ext4 defaults,rw 0 0"  > /etc/fstab
 echo "PARTUUID=f37043ff-01 /boot vfat defaults,rw 0 0" >> /etc/fstab