forked from dan/liminix
Daniel Barlow
28d39cd66d
this is for debugging/documentation purposes and isn't copied to the device
38 lines
933 B
Nix
38 lines
933 B
Nix
{
|
|
config
|
|
, pkgs
|
|
, lib
|
|
, ...
|
|
}:
|
|
let
|
|
inherit (lib) mkIf;
|
|
o = config.system.outputs;
|
|
inherit (pkgs) runCommand;
|
|
inherit (lib) mkOption types;
|
|
inherit (pkgs.buildPackages) min-copy-closure;
|
|
in
|
|
{
|
|
imports = [ ../system-configuration.nix ];
|
|
options.system.outputs.updater = mkOption {
|
|
type = types.package;
|
|
description = ''
|
|
updater
|
|
******
|
|
|
|
For configurations with a writable filesystem, create a shell
|
|
script that runs on the build system and updates the device
|
|
over the network to the new configuration
|
|
'';
|
|
};
|
|
|
|
config.system.outputs.updater =
|
|
runCommand "buildUpdater" { } ''
|
|
mkdir -p $out/bin $out/etc
|
|
cp ${o.kernel.config} $out/etc/kconfig
|
|
substitute ${./update.sh} $out/bin/update.sh \
|
|
--subst-var-by toplevel ${o.systemConfiguration} \
|
|
--subst-var-by min_copy_closure ${min-copy-closure}
|
|
chmod +x $out/bin/update.sh
|
|
'';
|
|
}
|