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disko-install: simplify let statements

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Jörg Thalheim 2024-04-15 19:41:32 +02:00 committed by mergify[bot]
parent bb5ba68ebb
commit 93bf2c3d26
1 changed files with 48 additions and 31 deletions
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79
install-cli.nix
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@ -1,41 +1,58 @@
{ flake
, flakeAttr
, diskMappings
, writeEfiBootEntries ? false
, rootMountPoint ? "/mnt"
{
flake,
flakeAttr,
diskMappings,
writeEfiBootEntries ? false,
rootMountPoint ? "/mnt",
}:
let
originalSystem = (builtins.getFlake "${flake}").nixosConfigurations."${flakeAttr}";
diskoSystem =
lib = originalSystem.pkgs.lib;
deviceName =
name:
if diskMappings ? ${name} then
diskMappings.${name}
else
throw "No device passed for disk '${name}'. Pass `--disk ${name} /dev/name` via commandline";
modifiedDisks = builtins.mapAttrs (
name: value:
let
lib = originalSystem.pkgs.lib;
modifiedDisks = builtins.mapAttrs
(name: value: let
dev = if diskMappings ? ${name} then
diskMappings.${name}
else
throw "No device passed for disk '${name}'. Pass `--disk ${name} /dev/name` via commandline";
in value // {
device = dev;
content = value.content // { device = dev; };
})
originalSystem.config.disko.devices.disk;
cleanedDisks = lib.filterAttrsRecursive (n: _: !lib.hasPrefix "_" n) modifiedDisks;
dev = deviceName name;
in
originalSystem.extendModules {
modules = [{
value
// {
device = dev;
content = value.content // {
device = dev;
};
}
) originalSystem.config.disko.devices.disk;
# filter all nixos module internal attributes
cleanedDisks = lib.filterAttrsRecursive (n: _: !lib.hasPrefix "_" n) modifiedDisks;
diskoSystem = originalSystem.extendModules {
modules = [
{
disko.rootMountPoint = rootMountPoint;
disko.devices.disk = lib.mkVMOverride cleanedDisks;
}];
};
installSystem = originalSystem.extendModules {
modules = [({ lib, ... }: {
boot.loader.efi.canTouchEfiVariables = lib.mkVMOverride writeEfiBootEntries;
boot.loader.grub.devices = lib.mkVMOverride diskoSystem.config.boot.loader.grub.devices;
})];
};
}
];
};
installSystem = originalSystem.extendModules {
modules = [
(
{ lib, ... }:
{
boot.loader.efi.canTouchEfiVariables = lib.mkVMOverride writeEfiBootEntries;
boot.loader.grub.devices = lib.mkVMOverride diskoSystem.config.boot.loader.grub.devices;
}
)
];
};
in
{
installToplevel = installSystem.config.system.build.toplevel;