install.sh

#!/bin/bash

set -e

# void, alpine, arch, and suse have packages
# need to build on fedora (without terra) and debian/ubuntu

ROOT=$(pwd)

# fancy color
printf "\033[94m"

if [ -f /usr/bin/apt ]; then
	distro="deb"
elif [ -f /usr/bin/zypper ]; then
	distro="suse"
elif [ -f /usr/bin/pacman ]; then
	distro="arch"
elif [ -f /usr/bin/dnf4 ]; then
	distro="fedora"
elif [ -f /sbin/apk ]; then
	distro="alpine"
elif [ -f /bin/xbps-install ]; then
	distro="void"
elif grep 'ID=nixos' /etc/os-release &>> pkg.log; then
	echo "WARNING: This script will not install keyd on NixOS, but can install the configuration for you."
	printf "Continue? (y/N) "
	read -r NIXINSTALL
	[[ $NIXINSTALL =~ ^[Yy]$ ]] || exit 1
	distro="nixos"
fi

if which sudo &>/dev/null; then
	privesc="sudo"
elif which doas &>/dev/null; then
	privesc="doas"
elif which run0 &>/dev/null; then
	privesc="run0"
fi

echo "Installing, this may take some time...."

# Fedora with the terra repo (Ultramarine) has keyd packaged
[ "$distro" = "fedora" ] && dnf4 info keyd -y&>> pkg.log && FEDORA_HAS_KEYD=1

if ! which keyd &>/dev/null && [ "$distro" != "nixos" ] ; then
	build_keyd=1
  # if keyd isnt installed

  # Debian-based distros and Fedora don't have keyd in the repos, ask the user to compile it from source.
  if [ "distro" = "fedora" ] && [ ! "$FEDORA_HAS_KEYD" = "1" ] || [ "$distro" = "deb" ]; then
  	echo "This script can compile keyd for you or you can choose to get it from another source."
  	printf "Compile keyd? (Y/n) "
  	read -r COMPKEYD
		[[ $COMPKEYD =~ ^[Nn]$ ]] && build_keyd=0
  fi

	if [ "$build_keyd" = "1" ]; then
		echo "Installing keyd dependencies"
		case $distro in
			deb)
				$privesc apt install -y build-essential git &>> pkg.log
				;;
			fedora)
				[ ! "$FEDORA_HAS_KEYD" = "1" ] && $privesc dnf4 install -y kernel-headers gcc make &>> pkg.log
				;;
		esac
	fi

	if ( [ "distro" = "fedora" ] && [ ! "$FEDORA_HAS_KEYD" = "1" ] || [ "$distro" = "deb" ] ) && [ "$build_keyd" = "1" ]; then
		echo "Compiling keyd"
		git clone https://github.com/rvaiya/keyd &>> pkg.log
		cd keyd
		make &>> pkg.log
		$privesc make install
		cd ..
	else
		echo "Installing keyd"
		case $distro in
			suse)
				$privesc zypper --non-interactive install keyd &>> pkg.log
				;;
			arch)
				$privesc pacman -S --noconfirm keyd &>> pkg.log
				;;
			alpine)
				$privesc apk add --no-interactive keyd &>> pkg.log
				;;
			void)
		  	$privesc xbps-install -S keyd -y &>> pkg.log
				;;
			fedora)
				$privesc dnf4 install -y keyd &>> pkg.log
				;;
		esac
	fi
fi

echo "Generating config"
# Handle any special cases
if (grep -E "^(Nocturne|Atlas|Eve)$" /sys/class/dmi/id/product_name &> /dev/null)
then
	cp -f configs/cros-pixel.conf cros.conf
	$privesc mkdir -p /etc/udev/hwdb.d/
	$privesc cp -f configs/61-pixel-keyboard.hwdb /etc/udev/hwdb.d/
	$privesc udevadm hwdb --update
	$privesc udevadm trigger
elif (grep -E "^(Sarien|Arcada)$" /sys/class/dmi/id/product_name &> /dev/null)
then
	cp -f configs/cros-sarien.conf cros.conf
else
	printf "By default, the top row keys will do their special function (brightness, volume, browser control, etc).\n"
	printf "Holding the search key will make the top row keys act like fn keys (f1, f2, f3, etc).\n"
	printf "Would you like to invert this? (y/N) "
	read -r INVERT
	if [ "$distro" == "nixos" ] && ! which python3 &>/dev/null; then
		[[ $INVERT =~ ^[Yy]$ ]] && nix-shell -p python3 --run "python3 cros-keyboard-map.py -i" || 
			nix-shell -p python3 --run "python3 cros-keyboard-map.py"
				else
					[[ $INVERT =~ ^[Yy]$ ]] && python3 cros-keyboard-map.py -i || python3 cros-keyboard-map.py
	fi
fi

echo "Installing config"
$privesc mkdir -p /etc/keyd
$privesc cp -f cros.conf /etc/keyd

echo "Enabling keyd"
case $distro in
  alpine)
		# Chimera uses apk like alpine but uses dinit instead of openrc
		if [ -f /usr/bin/dinitctl ]; then
			$privesc dinitctl start keyd
			$privesc dinitctl enable keyd
		else
      $privesc rc-update add keyd
      $privesc rc-service keyd restart
		fi
		;;
	void)
		if [ -f /usr/bin/sv ]; then
	    $privesc ln -s /etc/sv/keyd /var/service
			$privesc sv enable keyd
			$privesc sv start keyd
		else
	    echo "This script can only be used for Void Linux using 'runit' init system. Other init system on Void Linux are currently unsupported."
		  echo "I'M OUTTA HERE!"
		  exit 1
		fi
		;;
  *)
    $privesc systemctl enable keyd
		$privesc systemctl restart keyd
		;;
esac

echo "Installing libinput configuration"
$privesc mkdir -p /etc/libinput
if [ -f /etc/libinput/local-overrides.quirks ]; then
  cat $ROOT/local-overrides.quirks | $privesc tee -a /etc/libinput/local-overrides.quirks > /dev/null
else
  $privesc cp -f $ROOT/local-overrides.quirks /etc/libinput/local-overrides.quirks
fi

echo "Done"
# reset color
printf "\033[0m"