install.sh

# scriptlet:_common/download.sh
# scriptlet:_common/os_like.sh

##
# Install Glorious Eggroll's Proton fork on a requested version
#
# https://github.com/GloriousEggroll/proton-ge-custom
#
# Will install Proton into /opt/script-collection/GE-Proton${VERSION}
# with its pfx directory in /opt/script-collection/GE-Proton${VERSION}/files/share/default_pfx
#
# @arg $1 string Proton version to install
#
# CHANGELOG:
#   2026.04.26 - Supress command output on Ubuntu
#   2026.04.23 - Register proton path in alternatives to /usr/local/bin/proton
#   2025.11.23 - Use download scriptlet for downloading
#   2024.12.22 - Initial version
#
function install_proton() {
	VERSION="${1:-9-21}"

	PROTON_URL="https://github.com/GloriousEggroll/proton-ge-custom/releases/download/GE-Proton${VERSION}/GE-Proton${VERSION}.tar.gz"
	PROTON_TGZ="$(basename "$PROTON_URL")"
	PROTON_NAME="$(basename "$PROTON_TGZ" ".tar.gz")"

	# We will use this directory as a working directory for source files that need downloaded.
	[ -d /opt/script-collection ] || mkdir -p /opt/script-collection

	# Grab Proton from Glorious Eggroll
	if ! download "$PROTON_URL" "/opt/script-collection/$PROTON_TGZ" --no-overwrite; then
		echo "install_proton: Cannot download Proton from ${PROTON_URL}!" >&2
		return 1
	fi

	# Extract GE Proton into /opt
	if [ ! -e "/opt/script-collection/$PROTON_NAME" ]; then
		tar -x -C /opt/script-collection/ -f "/opt/script-collection/$PROTON_TGZ"
	fi

	# Update distro registrations for alternative software.
	if os_like debian; then
		update-alternatives --install "/usr/local/bin/proton" "proton" "/opt/script-collection/$PROTON_NAME/proton" 1 >&2
	elif os_like rhel; then
		alternatives --install "/usr/local/bin/proton" "proton" "/opt/script-collection/$PROTON_NAME/proton" 1 >&2
	elif os_like suse; then
		update-alternatives --install "/usr/local/bin/proton" "proton" "/opt/script-collection/$PROTON_NAME/proton" 1 >&2
	fi

	echo "/opt/script-collection/$PROTON_NAME"
}