nix/home/program/bash/module/Disk.nix

{ ... }: {
	text = ''
		# Show only physical drives info.
		function pdf() {
			df --si | sed -e '1p' -e '/^\/dev\//!d'
		}

		# Show total size in SI.
		# Current dir by default.
		# Usage: tdu [DIRS]
		function tdu() {
			du -sh --si "''${@}"
		}

		# Unlock encrypted disk file.
		# Usage: funlock <FILE>
		function funlock() {
			local file="''${1}"

			if [[ "''${file}" = "" ]]; then
				help funlock
				return 2
			fi

			local name=$(parse_alnum "''${file##*/}")

			local loop=$(udisksctl loop-setup --no-user-interaction --file "''${file}")
			loop="''${loop##* }"; loop="''${loop%.}"

			local decrypted=$(udisksctl unlock --block-device "''${loop}")
			decrypted="''${decrypted##* }"; decrypted="''${decrypted%.}"

			local mount=$(udisksctl mount --no-user-interaction --block-device "''${decrypted}")
			mount="''${mount#* at }"

			cd "''${mount}"
		}

		# Mount file.
		# Usage: fmount <FILE>
		function fmount() {
			local file="''${1}"
			if [[ "''${file}" = "" ]]; then
				help fmount
				return 2
			fi

			local loop=$(udisksctl loop-setup --no-user-interaction --file "''${file}")
			loop="''${loop##* }"; loop="''${loop%.}"

			local mount=$(udisksctl mount --no-user-interaction --block-device "''${loop}")
			mount="''${mount#* at }"

			cd "''${mount}"
		}

		# Unmount file.
		# Usage: fumount <LOOPDEVICE>
		function fumount() {
			local loop="''${1}"
			if [[ "''${loop}" = "" ]]; then
				help fumount
				return 2
			fi

			udisksctl unmount --no-user-interaction --block-device "''${loop}"
			udisksctl loop-delete --no-user-interaction --block-device "''${loop}"
		}
	'';
}