displaylink install on asahi fedora

displaylink-asahi.sh

#!/bin/bash -x
set -euo pipefail

ARCH=aarch64
FEDORA_VERSION=$(grep -oP '(?<=VERSION_ID=)\d+' /etc/os-release)
MOCK_TARGET="fedora-${FEDORA_VERSION}-${ARCH}"

if ! command -v mock &>/dev/null; then
  echo "Installing mock.."
  sudo dnf5 install mock -y
  sudo usermod -aG mock "$USER"
  newgrp mock
fi

if ! command -v gh &>/dev/null; then
  echo "Installing gh..."
  sudo dnf5 install gh -y
fi

gh release download --repo displaylink-rpm/displaylink-rpm --pattern "fedora-${FEDORA_VERSION}-displaylink-*.src.rpm" -O "./displaylink.src.rpm"

rpm -i ./displaylink.src.rpm

# use xwayland if available
sed -i 's/^Requires:.*xorg-x11-server-Xorg.*/Requires: (xorg-x11-server-Xorg >= 1.16 or xorg-x11-server-Xwayland)/' ~/rpmbuild/SPECS/displaylink.spec

rpmbuild -bs ~/rpmbuild/SPECS/displaylink.spec
SRC_RPM=$(rpmbuild -bs ~/rpmbuild/SPECS/displaylink.spec | awk '/Wrote:/ {print $2}')

mock -r "$MOCK_TARGET" --rebuild "$SRC_RPM"
BUILT_RPM=$(find /var/lib/mock/"${MOCK_TARGET}"/result/displaylink-*."${ARCH}".rpm | head -n 1)
echo "RPM Build $BUILT_RPM"

sudo dnf5 install "$BUILT_RPM" -y