37 lines
1 KiB
Nix
37 lines
1 KiB
Nix
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{ pkgs }:
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pkgs.writeShellApplication {
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name = "unmounter";
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runtimeInputs = with pkgs; [
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cryptsetup
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dmenu
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gawk
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libnotify
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util-linux
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];
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text = ''
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lsblk_output="$(lsblk -nrpo "name,type,size,mountpoint")"
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mounted_drives="$(echo "$lsblk_output" | awk '($2=="part"||$2="crypt")&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "%s (%s)\n",$4,$3}')"
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all_unmountable="$(echo "$mounted_drives" | sed "/^$/d;s/ *$//")"
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test -n "$all_unmountable"
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selected="$(echo "$all_unmountable" | dmenu -i -p "Unmount which drive?")"
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selected="''${selected%% *}"
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test -n "$selected"
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sudo -A umount -l "/''${selected#*/}"
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notify-send "Device unmounted" "$selected has been unmounted."
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# Close the selected drive if decrypted.
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cryptid="$(echo "$lsblk_output" | grep "/''${selected#*/}$")"
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cryptid="''${cryptid%% *}"
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test -b /dev/mapper/"''${cryptid##*/}"
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sudo -A cryptsetup close "$cryptid"
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notify-send "Device dencryption closed" "Drive is now securely locked again."
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'';
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}
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