mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-25 08:23:09 +00:00
85 lines
2.9 KiB
Nix
85 lines
2.9 KiB
Nix
{ config, lib, pkgs, utils, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
bootFs = filterAttrs (n: fs: (fs.fsType == "bcachefs") && (utils.fsNeededForBoot fs)) config.fileSystems;
|
|
|
|
mountCommand = pkgs.runCommand "mount.bcachefs" {} ''
|
|
mkdir -p $out/bin
|
|
cat > $out/bin/mount.bcachefs <<EOF
|
|
#!/bin/sh
|
|
exec "/bin/bcachefs" mount "\$@"
|
|
EOF
|
|
chmod +x $out/bin/mount.bcachefs
|
|
'';
|
|
|
|
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 successfully 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} ${firstDevice}
|
|
'';
|
|
|
|
in
|
|
|
|
{
|
|
config = mkIf (elem "bcachefs" config.boot.supportedFilesystems) (mkMerge [
|
|
{
|
|
# We do not want to include bachefs in the fsPackages for systemd-initrd
|
|
# because we provide the unwrapped version of mount.bcachefs
|
|
# through the extraBin option, which will make it available for use.
|
|
system.fsPackages = lib.optional (!config.boot.initrd.systemd.enable) pkgs.bcachefs-tools;
|
|
environment.systemPackages = lib.optional (config.boot.initrd.systemd.enable) pkgs.bcachefs-tools;
|
|
|
|
# use kernel package with bcachefs support until it's in mainline
|
|
boot.kernelPackages = pkgs.linuxPackages_testing_bcachefs;
|
|
}
|
|
|
|
(mkIf ((elem "bcachefs" config.boot.initrd.supportedFilesystems) || (bootFs != {})) {
|
|
# chacha20 and poly1305 are required only for decryption attempts
|
|
boot.initrd.availableKernelModules = [ "bcachefs" "sha256" "chacha20" "poly1305" ];
|
|
|
|
boot.initrd.systemd.extraBin = {
|
|
"bcachefs" = "${pkgs.bcachefs-tools}/bin/bcachefs";
|
|
"mount.bcachefs" = "${mountCommand}/bin/mount.bcachefs";
|
|
};
|
|
|
|
boot.initrd.extraUtilsCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
|
|
copy_bin_and_libs ${pkgs.bcachefs-tools}/bin/bcachefs
|
|
copy_bin_and_libs ${mountCommand}/bin/mount.bcachefs
|
|
'';
|
|
boot.initrd.extraUtilsCommandsTest = ''
|
|
$out/bin/bcachefs version
|
|
'';
|
|
|
|
boot.initrd.postDeviceCommands = commonFunctions + concatStrings (mapAttrsToList openCommand bootFs);
|
|
})
|
|
]);
|
|
}
|