nvidia hooks to trigger initramfs image generation on install/update/remove

nvidia_post.bash

#!/usr/bin/env bash

workdir="$(cd "$(dirname "$0")" && pwd)"

xargs -I % rm "${workdir}/%" < "${workdir}/nvidia_hooks_filenames.txt" && rm "${workdir}/nvidia_hooks_filenames.txt"

nvidia_post.hook

[Trigger]
Type = Package
Operation = Install
Operation = Upgrade
Operation = Remove
Target = nvidia

[Action]
Description = Removing overwritten hook(s)
Depends = bash
Depends = coreutils
When = PostTransaction
Exec = /etc/pacman.d/hooks/nvidia_post.bash

nvidia_pre.bash

#!/usr/bin/env bash

workdir="$(cd "$(dirname "$0")" && pwd)"
mkinitcpio_hooks="$(grep -Pl '^Exec\s*=\s*[/\w]*mkinitcpio' /usr/share/libalpm/hooks/*)"
mkinitcpio_hooks_basename="$(echo "$mkinitcpio_hooks" | xargs -I % basename %)"

echo "$mkinitcpio_hooks" | xargs -I % cp % "$workdir" \
    && echo "$mkinitcpio_hooks_basename" | xargs -I % bash -c "cat ${workdir}/nvidia_trigger.txt >> ${workdir}/%" \
    && echo "$mkinitcpio_hooks_basename" > "${workdir}/nvidia_hooks_filenames.txt"

nvidia_pre.hook

[Trigger]
Type = Package
Operation = Install
Operation = Upgrade
Operation = Remove
Target = nvidia

[Action]
Description = Triggering mkinitcpio
Depends = bash
Depends = coreutils
Depends = grep
When = PreTransaction
Exec = /etc/pacman.d/hooks/nvidia_pre.bash

nvidia_trigger.txt

[Trigger]
Type = Package
Operation = Install
Operation = Upgrade
Operation = Remove
Target = nvidia