update.func

function update
{
	# Ceate a temporary directory
	temp=$(mktemp -d)
	tar xzf "packagecache/$filename" -C "$temp"

	sourcemod_dirname="sourcemod"

	if [[ ${options[smdir]} ]]; then
		sourcemod_dirname="${options[smdir]}"
	fi

	if [[ ! -f "$directory_game/steam.inf" ]]; then
		echo -e "${red}Error: ${cyan}steam.inf$red missing in '${yellow}$directory_game$red', are you sure this is the right directory?$reset"
		return 0
	fi

	if [[ ${options[install]} != "1" && ! -d "$directory_game/addons/$sourcemod_dirname" ]]; then
		echo -e "${red}Error: directory '${yellow}addons/$sourcemod_dirname$red' not found, ${cyan}try with --install$reset."
		return 0
	fi

	# Validate sourcemod package files
	if [[ ! -d "$temp/addons/sourcemod" ]]; then
		echo -e "${red}Error: Sourcemod package corrupt or not compatible, '${yellow}addons/sourcemod$red' doesn't exist."
		return 0
	fi

	if [[ ${options[install]} == "1" ]]; then
		echo -e "${cyan}Installing Sourcemod now...$reset"

		# If an other sourcemod directory name has been
		# specified, rename it from the stock name.
		if [[ $sourcemod_dirname != "sourcemod" ]]; then
			mv "$temp/addons/sourcemod" "$temp/addons/$sourcemod_dirname"
		fi

		cp -R "$temp/"* "$directory_game"

		echo -e "$green[SUCCESS] Sourcemod installed into '${yellow}$directory_game/addons/$sourcemod_dirname$green'.$reset"
	else
		echo -e "${cyan}Updating Sourcemod now...$reset"

		# Update Sourcemod

		# bin          - rm, mv
		# configs      - rm geoip, sql-init-scripts; mv
		# data         - don't touch
		# extensions   - overwrite
		# gamedata     - rm core.games, sdktools.games, sm-*.txt; overwrite
		# logs         - don't touch
		# plugins      - replace & update in / and disabled/, new plugins -> disabled/
		# scripting    - overwrite
		# translations - overwrite

		directory_source="$temp/addons/sourcemod"
		directory_target="$directory_game/addons/$sourcemod_dirname"
		attributes="--checksum"

		echo -e "${cyan}Updating bin/$reset"
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/bin/" "$directory_target/bin/"

		echo -e "${cyan}Updating configs/$reset"
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/configs/geoip/" "$directory_target/configs/geoip/"
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/configs/sql-init-scripts/" "$directory_target/configs/sql-init-scripts/"

		echo -e "${cyan}Updating extensions/$reset"
		rsync --recursive $attributes --out-format="%o %n" "$directory_source/extensions/" "$directory_target/extensions/"

		echo -e "${cyan}Updating gamedata/$reset"
		rsync $attributes --out-format="%o %n" "$directory_source/gamedata/"* "$directory_target/gamedata/" | grep -v "skipping directory "
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/gamedata/sdktools.games/" "$directory_target/gamedata/sdktools.games/"
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/gamedata/core.games/" "$directory_target/gamedata/core.games/"
		rsync --recursive --delete-during $attributes --out-format="%o %n" "$directory_source/gamedata/sm-cstrike.games/" "$directory_target/gamedata/sm-cstrike.games/"

		echo -e "${cyan}Updating plugins/$reset"
		for f in $(find "$directory_source/plugins/" -name '*.smx'); do
			plugin=$(basename "$f")

			# If the plugin exists in plugins/, then copy it there
			if [[ -f "$directory_target/plugins/$plugin" ]]; then
				rsync $attributes --out-format="%o %n" "$f" "$directory_target/plugins/$plugin"
			else
				# otherwise copy it to plugins/disabled/
				rsync $attributes --out-format="%o %n" "$f" "$directory_target/plugins/disabled/$plugin"
			fi
		done

		echo -e "${cyan}Updating scripting/$reset"
		rsync --recursive $attributes --out-format="%o %n" "$directory_source/scripting/" "$directory_target/scripting/"

		echo -e "${cyan}Updating translations/$reset"
		rsync --recursive $attributes --out-format="%o %n" "$directory_source/translations/" "$directory_target/translations/"

		echo -e "${cyan}Updating *.txt's$reset"
		rsync $attributes --out-format="%o %n" "$directory_source/"* "$directory_target/" | grep -v "skipping directory "

		echo -e "$green[SUCCESS] Sourcemod updated.$reset"
	fi

	if [[ ${options[fixpermissions]} == "1" ]]; then
		owner_group=`stat --format="%u:%g" "$directory_game"`
		echo -en "${cyan}Fixing permissions using $owner_group from game directory...$reset"

		chown -R $owner_group "$directory_game/addons/$sourcemod_dirname"
		chown -R $owner_group "$directory_game/addons/metamod/sourcemod.vdf"
		chown -R $owner_group "$directory_game/cfg/sourcemod"

		echo -e "${cyan}done$reset"
	fi

	return 1
}