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|
{ config, lib, pkgs, ... }:
with lib;
let
kernel = config.boot.kernelPackages.kernel;
activateConfiguration = config.system.activationScripts.script;
readonlyMountpoint = pkgs.runCommand "readonly-mountpoint" {} ''
mkdir -p $out/bin
cc -O3 ${./readonly-mountpoint.c} -o $out/bin/readonly-mountpoint
strip -s $out/bin/readonly-mountpoint
'';
bootStage2 = pkgs.substituteAll {
src = ./stage-2-init.sh;
shellDebug = "${pkgs.bashInteractive}/bin/bash";
isExecutable = true;
inherit (config.boot) devShmSize runSize;
inherit (config.nix) readOnlyStore;
inherit (config.networking) useHostResolvConf;
ttyGid = config.ids.gids.tty;
path =
[ pkgs.coreutils
pkgs.utillinux
pkgs.sysvtools
pkgs.openresolv
] ++ optional config.nix.readOnlyStore readonlyMountpoint;
postBootCommands = pkgs.writeText "local-cmds"
''
${config.boot.postBootCommands}
${config.powerManagement.powerUpCommands}
'';
};
in
{
options = {
boot = {
postBootCommands = mkOption {
default = "";
example = "rm -f /var/log/messages";
type = types.lines;
description = ''
Shell commands to be executed just before systemd is started.
'';
};
devSize = mkOption {
default = "5%";
example = "32m";
type = types.str;
description = ''
Size limit for the /dev tmpfs. Look at mount(8), tmpfs size option,
for the accepted syntax.
'';
};
devShmSize = mkOption {
default = "50%";
example = "256m";
type = types.str;
description = ''
Size limit for the /dev/shm tmpfs. Look at mount(8), tmpfs size option,
for the accepted syntax.
'';
};
runSize = mkOption {
default = "25%";
example = "256m";
type = types.str;
description = ''
Size limit for the /run tmpfs. Look at mount(8), tmpfs size option,
for the accepted syntax.
'';
};
};
};
config = {
system.build.bootStage2 = bootStage2;
};
}
|