mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-16 03:32:02 +03:00
3d0552223d
The examples/hello system can be used by users that want to boot a minimal, and cross-compilable system. This is better than a "raw" build of the root of the Mobile NixOS repo since it provides a stage-2 application stating the system booted successfully.
107 lines
2.9 KiB
Nix
107 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib.strings) makeBinPath;
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hello-gui = pkgs.mobile-nixos.stage-1.script-loader.wrap {
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name = "hello-gui";
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applet = "${pkgs.callPackage ./app {}}/libexec/app.mrb";
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env = {
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PATH = "${makeBinPath (with pkgs;[
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systemd # journalctl
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glibc # iconv
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utillinux # lsblk
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input-utils # lsinput
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])}:$PATH";
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};
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};
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tmpfsConf = {
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device = "tmpfs";
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fsType = "tmpfs";
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neededForBoot = true;
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};
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in
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{
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imports = [
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./workaround-v4l_id-hang.nix
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];
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environment.systemPackages = with pkgs; [
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hello-gui
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input-utils
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];
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# Make the system rootfs different enough that mixing stage-1 and stage-2
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# will fail and not have weird unexpected behaviours.
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mobile.generatedFilesystems = {
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rootfs = lib.mkDefault {
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label = lib.mkForce "MOBILE_HELLO";
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id = lib.mkForce "12345678-1324-1234-0000-D00D00000001";
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};
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};
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fileSystems = {
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"/" = lib.mkDefault {
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autoResize = lib.mkForce false;
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};
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# Nothing is saved, except for the nix store being rehydrated.
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"/tmp" = tmpfsConf;
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"/var/log" = tmpfsConf;
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"/home" = tmpfsConf;
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};
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mobile.boot.stage-1.bootConfig = {
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# This will be useful for debugging boot issues over serial in the default
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# configuration.
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log.level = "DEBUG";
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};
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systemd.services.hello-gui = {
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description = "GUI for the hello example of Mobile NixOS";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Restart = "always";
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SyslogIdentifier = "hello-gui";
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ExecStart = ''
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${hello-gui}/bin/hello-gui
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'';
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};
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};
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# Only enable `adb` if we know how to.
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# FIXME: relies on implementation details. Poor separation of concerns.
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mobile.adbd.enable = (config.mobile.system.type == "android") &&
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(config.mobile.usb.mode != "gadgetfs" || config.mobile.usb.gadgetfs.functions ? ffs)
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;
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boot.postBootCommands = lib.mkOrder (-1) ''
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brightness=10
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echo "Setting brightness to $brightness"
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if [ -e /sys/class/backlight/backlight/brightness ]; then
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echo $(($(cat /sys/class/backlight/backlight/max_brightness) * brightness / 100)) > /sys/class/backlight/backlight/brightness
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elif [ -e /sys/class/leds/lcd-backlight/max_brightness ]; then
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echo $(($(cat /sys/class/leds/lcd-backlight/max_brightness) * brightness / 100)) > /sys/class/leds/lcd-backlight/brightness
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elif [ -e /sys/class/leds/lcd-backlight/brightness ]; then
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# Assumes max brightness is 100... probably wrong, but good enough, eh.
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echo $brightness > /sys/class/leds/lcd-backlight/brightness
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fi
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'';
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users.users.nixos = {
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isNormalUser = true;
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extraGroups = [ "wheel" "networkmanager" "video" ];
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};
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security.sudo = {
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enable = true;
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wheelNeedsPassword = lib.mkForce false;
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};
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services.mingetty.autologinUser = "nixos";
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system.build = {
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app-simulator = pkgs.callPackage ./app/simulator.nix {};
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};
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}
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