appvm/nix/base.nix

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Nix
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{pkgs, ...}:
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{
imports = [
<nix/local.nix>
];
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services.xserver = {
enable = true;
desktopManager.xterm.enable = false;
displayManager.slim = {
enable = true;
defaultUser = "user";
autoLogin = true;
};
windowManager.xmonad.enable = true;
windowManager.default = "xmonad";
};
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services.spice-vdagentd.enable = true;
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users.extraUsers.user = {
isNormalUser = true;
extraGroups = [ "audio" ];
createHome = true;
};
environment.etc."xmonad.hs".text = ''
import XMonad
main = xmonad defaultConfig
{ workspaces = [ "" ]
, borderWidth = 0
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, startupHook = startup
}
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startup :: X ()
startup = do
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spawn "${pkgs.spice-vdagent}/bin/spice-vdagent"
'';
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environment.systemPackages = [ pkgs.bc ];
services.cron = {
enable = true;
systemCronJobs = [
"* * * * * root free -m | grep Mem | awk '{print $2 \"-\" $4}' | bc > /home/user/.memory_used"
];
};
systemd.services.home-user-build-xmonad = {
description = "Link xmonad configuration";
serviceConfig = {
ConditionFileNotEmpty = "!/home/user/.xmonad/xmonad.hs";
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ExecStart = "/bin/sh -c 'mkdir -p /home/user/.xmonad && ln -s /etc/xmonad.hs /home/user/.xmonad/xmonad.hs'";
RemainAfterExit = "yes";
User = "user";
Restart = "on-failure";
TimeoutSec = 10;
};
wantedBy = [ "multi-user.target" ];
};
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systemd.services.mount-home-user = {
description = "Mount /home/user (crutch)";
serviceConfig = {
ExecStart = "/bin/sh -c '/run/current-system/sw/bin/mount -t 9p -o trans=virtio,version=9p2000.L,uid=1000 home /home/user'";
RemainAfterExit = "yes";
Type = "oneshot";
User = "root";
};
wantedBy = [ "sysinit.target" ];
};
systemd.user.services."xrandr" = {
serviceConfig = {
StartLimitBurst = 100;
};
script = "${pkgs.xorg.xrandr}/bin/xrandr --output Virtual-1 --mode $(${pkgs.xorg.xrandr}/bin/xrandr | grep ' ' | head -n 2 | tail -n 1 | ${pkgs.gawk}/bin/awk '{ print $1 }')";
};
systemd.user.timers."xrandr" = {
description = "Auto update resolution crutch";
timerConfig = {
OnBootSec = "1s";
OnUnitInactiveSec = "1s";
Unit = "xrandr.service";
AccuracySec = "1us";
};
wantedBy = ["timers.target"];
};
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}