liminix/modules/base.nix
2022-10-18 18:56:29 +01:00

113 lines
3 KiB
Nix

{ lib, pkgs, config, ...}:
let
inherit (lib) mkEnableOption mkOption types isDerivation hasAttr ;
inherit (pkgs.pseudofile) dir symlink;
inherit (pkgs) busybox;
type_service = types.package // {
name = "service";
description = "s6-rc service";
check = x: isDerivation x && hasAttr "serviceType" x;
};
in {
options = {
# analogous to nixos systemPackages, but we don't symlink into
# /run/current-system, we just add the paths in /etc/profile
defaultProfile = {
packages = mkOption {
type = types.listOf types.package;
};
};
services = mkOption {
type = types.attrsOf type_service;
};
filesystem = mkOption { type = types.anything; };
kernel = {
config = mkOption {
# mostly the values are y n or m, but sometimes
# other strings are also used
type = types.attrsOf types.nonEmptyStr;
};
checkedConfig = mkOption {
type = types.attrsOf types.nonEmptyStr;
default = {};
};
};
boot.commandLine = mkOption {
type = types.listOf types.nonEmptyStr;
};
groups = mkOption {
type = types.attrsOf types.anything;
};
users = mkOption {
type = types.attrsOf types.anything;
};
};
config = {
defaultProfile.packages = with pkgs;
[ s6 s6-init-bin busybox execline s6-linux-init s6-rc ];
kernel = rec {
config = {
IKCONFIG = "y";
IKCONFIG_PROC = "y";
PROC_FS = "y";
MODULES = "y";
# not going far without Unix domain sockets
UNIX = "y";
INET = "y";
IPV6 = "y";
# s6-linux-init mounts this on /dev
DEVTMPFS = "y";
# some or all of these may be fix for "tmpfs: Unknown parameter 'mode'" error
TMPFS = "y";
TMPFS_POSIX_ACL = "y";
TMPFS_XATTR = "y";
};
checkedConfig = config;
};
boot.commandLine = [
"earlyprintk=serial,ttyS0 console=ttyS0,115200 panic=10 oops=panic init=/bin/init loglevel=8 rootfstype=squashfs"
"fw_devlink=off"
];
users.root = {
uid = 0; gid= 0; gecos = "Root of all evaluation";
dir = "/";
passwd = "";
shell = "/bin/sh";
};
groups.root = {
gid = 0; usernames = ["root"];
};
filesystem = dir {
bin = dir {
sh = symlink "${busybox}/bin/sh";
busybox = symlink "${busybox}/bin/busybox";
};
dev =
let node = type: major: minor: mode : { inherit type major minor mode; };
in dir {
null = node "c" "1" "3" "0666";
zero = node "c" "1" "5" "0666";
tty = node "c" "5" "0" "0666";
console = node "c" "5" "1" "0600";
pts = dir {};
};
etc = dir {
profile = symlink
(pkgs.writeScript ".profile" ''
PATH=${lib.makeBinPath config.defaultProfile.packages}
export PATH
'');
};
proc = dir {};
run = dir {};
sys = dir {};
};
};
}