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#!/bin/ash
# hard check on nvidia graphic cards
cards="$( lspci -n | grep -o ' 03..: 10de:....' | awk '{print $2}' )"
if ! [ -d "/drm.cfg.d" ] && [ -n "$cards" ]; then
echo "Failed to find '/drm.cfg.d', but have nvidia cards - will try nouveau."
exit 1
fi
for card in $cards; do
driver="$(awk '$1 = /'"$card"'/ {print $2; exit}' /drm.cfg.d/*)"
[ -z "$driver" ] && continue
driver="${driver#'@'}"
driver="${driver//-/\/}"
driver_dir="/lib/modules/${driver}"
[ -d "$driver_dir" ] || continue
driver_target="/lib/modules/$(uname -r)/kernel/drivers/gpu/drm/nvidia"
if [ -d "$driver_target" ]; then
echo "'$driver_target' exists, will not overwrite!"
exit 1
fi
# all good, move it over
if ! mv "$driver_dir" "$driver_target" 2>&1; then
echo "Failed to move '$driver_dir' to '$driver_target'."
exit 1
fi
# finally run depmod to make it visible to udev
if ! depmod -a 2>&1 ; then
echo "Failed to run depmod, udev won't see the nvidia modules."
exit 1
fi
# blacklist nouveau
echo 'blacklist nouveau' > "/lib/modprobe.d/disable-nouveau.conf"
echo "Initialized nvidia drivers."
break
done
exit 0
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