65 lines
2 KiB
Nix
65 lines
2 KiB
Nix
{ config, lib, pkgs, utils, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
bootFs = filterAttrs (n: fs: (fs.fsType == "bcachefs") && (utils.fsNeededForBoot fs)) config.fileSystems;
|
|
|
|
commonFunctions = ''
|
|
prompt() {
|
|
local name="$1"
|
|
printf "enter passphrase for $name: "
|
|
}
|
|
tryUnlock() {
|
|
local name="$1"
|
|
local path="$2"
|
|
if bcachefs unlock -c $path > /dev/null 2> /dev/null; then # test for encryption
|
|
prompt $name
|
|
until bcachefs unlock $path 2> /dev/null; do # repeat until sucessfully unlocked
|
|
printf "unlocking failed!\n"
|
|
prompt $name
|
|
done
|
|
printf "unlocking successful.\n"
|
|
fi
|
|
}
|
|
'';
|
|
|
|
openCommand = name: fs:
|
|
let
|
|
# we need only unlock one device manually, and cannot pass multiple at once
|
|
# remove this adaptation when bcachefs implements mounting by filesystem uuid
|
|
# also, implement automatic waiting for the constituent devices when that happens
|
|
# bcachefs does not support mounting devices with colons in the path, ergo we don't (see #49671)
|
|
firstDevice = head (splitString ":" fs.device);
|
|
in
|
|
''
|
|
tryUnlock ${name} ${firstDevice}
|
|
'';
|
|
|
|
in
|
|
|
|
{
|
|
config = mkIf (elem "bcachefs" config.boot.supportedFilesystems) (mkMerge [
|
|
{
|
|
system.fsPackages = [ pkgs.bcachefs-tools ];
|
|
|
|
# use kernel package with bcachefs support until it's in mainline
|
|
boot.kernelPackages = pkgs.linuxPackages_testing_bcachefs;
|
|
}
|
|
|
|
(mkIf ((elem "bcachefs" config.boot.initrd.supportedFilesystems) || (bootFs != {})) {
|
|
# the cryptographic modules are required only for decryption attempts
|
|
boot.initrd.availableKernelModules = [ "bcachefs" "chacha20" "poly1305" ];
|
|
|
|
boot.initrd.extraUtilsCommands = ''
|
|
copy_bin_and_libs ${pkgs.bcachefs-tools}/bin/bcachefs
|
|
'';
|
|
boot.initrd.extraUtilsCommandsTest = ''
|
|
$out/bin/bcachefs version
|
|
'';
|
|
|
|
boot.initrd.postDeviceCommands = commonFunctions + concatStrings (mapAttrsToList openCommand bootFs);
|
|
})
|
|
]);
|
|
}
|