rope
1091495674
settings/theming.nix renders a full config set per wallpaper (GTK, ghostty, btop, hyprland, vesktop, zen, folder icons) from its own base16 palette; theme-apply swaps them in and reloads what can reload. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
258 lines
11 KiB
Nix
258 lines
11 KiB
Nix
# Common.nix
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{ config, pkgs, lib, inputs, ... }:
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let
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isMacbook = config.networking.hostName == "FredOS-Macbook";
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# nom's Haskell renderer measured 91% CPU during a rebuild — a full core of
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# the Macbook's four, spent drawing a progress tree, while nix itself wanted
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# 146%. Plain `-L` output there; the other hosts can afford the pretty one.
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buildLog = lib.optionalString (!isMacbook)
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" --log-format internal-json 2>&1 | nom --json";
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flake = "git+https://forg.gregersen.it/rope/nixos";
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# Now that the clients only copy, the copy is the whole wait. nix's own
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# --log-format bar prints counters but no gauge, so render one from the json
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# log: activity type 103 is the top-level copy-paths, and its type-105
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# progress results carry [done, expected, running, failed] path counts.
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# Messages at warning level and above still go through to stderr — otherwise
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# folding nix's stderr into the filter would swallow the errors too.
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copyBar = pkgs.writeShellScriptBin "nix-copy-bar" ''
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set -o pipefail
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${pkgs.jq}/bin/jq -Rr --unbuffered '
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ltrimstr("@nix ") | fromjson? // empty
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| if .action == "start" and .type == 103 then "A \(.id)"
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elif .action == "result" and .type == 105 then "P \(.id) \(.fields[0]) \(.fields[1])"
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elif .action == "msg" and .level <= 2 then "M \(.msg)"
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else empty end' |
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{
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blocks='########################################'
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drawn=
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total=0
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while read -r tag rest; do
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case "$tag" in
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A) copy_id=$rest ;;
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M) [ -n "$drawn" ] && printf '\n' && drawn=
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printf '%s\n' "$rest" >&2 ;;
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P) set -- $rest
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[ "$1" = "''${copy_id:-}" ] && [ "''${3:-0}" -gt 0 ] || continue
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total=$3
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pct=$(( $2 * 100 / $3 ))
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printf '\r[%-40s] %3d%% %d/%d paths' \
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"''${blocks:0:$(( pct * 40 / 100 ))}" "$pct" "$2" "$3"
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drawn=1 ;;
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esac
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done
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# `if`, not `[ … ] && …`: with nothing to copy the bar never draws, and a
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# bare test as the last statement would exit 1 and break the caller's
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# && chain. A real copy failure still surfaces via the caller's pipefail.
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#
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# nix stops emitting type-105 results once the last path lands, so the
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# bar's last live frame is always one path short. Redraw it full on EOF.
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# An error would have cleared $drawn via the M branch first, so this only
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# fires on a copy that actually finished.
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if [ -n "$drawn" ]; then
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printf '\r[%-40s] 100%% %d/%d paths\n' "$blocks" "$total" "$total"
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fi
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}
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'';
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post = "nvd diff $OLD_SYSTEM /run/current-system && (command -v record-update &>/dev/null && record-update $OLD_SYSTEM /run/current-system || true)";
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# The server evaluates and builds for itself.
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localUpdate = "bash -c 'set -o pipefail && OLD_SYSTEM=$(readlink /run/current-system) && sudo nixos-rebuild switch $@ --refresh --flake ${flake} -L${buildLog} && ${post}' --";
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# The clients offload the *evaluation* too, not just the build. nixos-rebuild
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# always evaluates on the machine it runs on (--build-host ships the
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# derivation, not the expression), so the only way to move eval off a client
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# is to run nix on the server over SSH and hand the resulting closure to
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# --store-path, which skips eval and build entirely. Same lantian substituter
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# as services/prebuild.nix, and --out-link keeps a gc root on the server so
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# `clean` there can't reap the closure mid-copy. SSH and the copy run as
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# fred, not root: root has no key on the server, and require-sigs = false
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# below is a daemon setting, so the daemon takes the unsigned closure from an
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# untrusted user just fine. Only the activation needs sudo.
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remoteUpdate = "bash -c 'set -o pipefail && OLD_SYSTEM=$(readlink /run/current-system) && NEW=$(ssh fred@nordhammer.it \"nix build --refresh --print-out-paths --out-link prebuild-${config.networking.hostName} --option extra-substituters https://attic.xuyh0120.win/lantian --option extra-trusted-public-keys lantian:EeAUQ+W+6r7EtwnmYjeVwx5kOGEBpjlBfPlzGlTNvHc= ${flake}#nixosConfigurations.${config.networking.hostName}.config.system.build.toplevel\") && nix copy --from ssh://fred@nordhammer.it $NEW --log-format internal-json 2>&1 | ${copyBar}/bin/nix-copy-bar && sudo nixos-rebuild switch --no-reexec --store-path $NEW && ${post}'";
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in
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{
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imports = [
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# Host modules are imported per-host by mkHost in flake.nix.
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# Generic settings #
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./settings/desktop.nix
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./settings/hyprland.nix
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./settings/quickshell.nix
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./settings/theming.nix
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./settings/locale.nix
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./settings/audio.nix
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./settings/users.nix
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./settings/shell.nix
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./apps/zen.nix
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# Services #
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./services/server-permissions.nix
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./services/game-servers.nix
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./services/pelican.nix
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# ./services/dr-server.nix
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./services/qbittorrent-nox.nix
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./services/nginx.nix
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./services/go2rtc.nix
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# ./services/frigate.nix
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./services/sonarr.nix
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./services/radarr.nix
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./services/prowlarr.nix
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./services/jellyfin.nix
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./services/seerr.nix
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./services/bazarr.nix
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./services/bazarr-sync.nix
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./services/cloudflare-ddns.nix
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./services/authelia.nix
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./services/homepage.nix
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./services/arr-interconnect.nix
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./services/profilarr.nix
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./services/shelfarr.nix
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./services/adguard.nix
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./services/router.nix
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./services/router-ui.nix
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./services/crowdsec.nix
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./services/service-health.nix
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./services/sabnzbd.nix
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./services/forgejo-runner.nix
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./services/code-server.nix
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./services/memos.nix
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./services/hardware-health.nix
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./services/wan-watchdog.nix
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./services/prebuild.nix
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];
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### Make build time quicker
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documentation.nixos.enable = false;
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# Home Manager #
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home-manager.useGlobalPkgs = true;
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home-manager.useUserPackages = true;
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home-manager.backupFileExtension = "hm-bak";
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home-manager.extraSpecialArgs = { inherit inputs; };
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home-manager.users.fred = import ./home-manager/fred.nix;
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#############################################################################
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# Kill all user processes on logout so systemd user services don't linger
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# in broken states across sessions (e.g. waybar failing to start on re-login).
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services.logind.settings.Login.KillUserProcesses = true;
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# Shorten shutdown stop timeout to avoid long "stop job" waits
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systemd.settings.Manager.DefaultTimeoutStopSec = "10s";
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# Make boot time quicker
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boot.loader.timeout = lib.mkDefault 5;
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systemd.services.NetworkManager-wait-online.enable = false;
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systemd.services.systemd-udev-settle.enable = false;
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systemd.services.firewall = {
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wantedBy = lib.mkForce [ ];
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after = [ "multi-user.target" ];
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};
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boot.initrd.verbose = false;
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#############################################################################
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# Compressed in-memory swap as a safety net during local build storms.
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# Cheap when idle; without it a transient OOM during an uncached build
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# can stall AdGuard/Jellyfin to the point of freezing the box.
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zramSwap = {
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enable = true;
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memoryPercent = 50;
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};
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# Use latest kernel
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boot.kernelPackages = pkgs.linuxPackages_latest;
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# Allow unfree packages
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nixpkgs.config.allowUnfree = true;
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# vesktop (multiple hosts) builds with pnpm via fetchPnpmDeps, which nixpkgs
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# marks insecure (build-time only, hash-pinned FOD — not in PATH). broadcom-sta
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# is Macbook-only Wi-Fi but allowing it everywhere is harmless (absent on others).
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nixpkgs.config.allowInsecurePredicate = pkg:
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lib.any (p: lib.hasPrefix p (lib.getName pkg)) [ "broadcom-sta" "pnpm" ];
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# Flakes — nixos-rebuild self-enables these, but plain `nix eval` /
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# `nix flake check` on the hosts need them too.
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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# Enable network-manager
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networking.networkmanager.enable = true;
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# Fish shell
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programs.fish.enable = true;
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users.defaultUserShell = pkgs.fish;
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# Shell aliases (work in both bash and fish)
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environment.shellAliases = {
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update =
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if config.networking.hostName == "FredOS-Mediaserver"
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then localUpdate
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else remoteUpdate;
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# Fallback for when the server is down or the alias itself changed and the
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# live generation still has the old one: eval and build right here.
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update2 = localUpdate;
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clean = "sudo nix-collect-garbage -d";
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# Throw away the VM's disk first so every run is a real first boot —
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# greeter, Plasma first-run, the lot. Builds into ./result in $PWD.
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kaylavm = "rm -f FredOS-Kayla.qcow2 && nixos-rebuild build-vm --refresh --flake git+https://forg.gregersen.it/rope/nixos#kayla-vm && ./result/bin/run-FredOS-Kayla-vm";
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ll = "ls -alh";
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clear = "command clear";
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reboot = "bash -c 'if [ \"$(hostname)\" = \"FredOS-Mediaserver\" ]; then read -r -p \"Reboot $(hostname)? [y/N] \" confirm; case \"$confirm\" in [Yy]) ;; *) exit 0 ;; esac; fi; sudo systemctl reboot'";
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};
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# Add packages
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environment.systemPackages = with pkgs; [
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git
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localsend
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nvd
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nix-output-monitor
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jq
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dnsutils
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busybox
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];
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# Hard-link identical files in the store as new paths are added, so the
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# store de-duplicates itself on every build instead of drifting.
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# Off on the Macbook: it hashes and relinks every file the daemon writes,
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# which lands on top of the substitution writes on a slow SATA blade —
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# measured io pressure full avg60=57% during a rebuild. Run `nix store
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# optimise` by hand there if the store ever gets fat.
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nix.settings.auto-optimise-store = !isMacbook;
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# Offload builds to the media server. Excluded on the server itself to
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# avoid a pointless SSH round-trip to localhost.
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nix.distributedBuilds =
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lib.mkIf (config.networking.hostName != "FredOS-Mediaserver") true;
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nix.buildMachines =
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lib.mkIf (config.networking.hostName != "FredOS-Mediaserver") [{
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hostName = "nordhammer.it";
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systems = [ "x86_64-linux" "i686-linux" ];
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sshUser = "fred";
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sshKey = "/root/.ssh/id_ed25519";
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maxJobs = 4;
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supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
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}];
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# nix.buildMachines runs from the daemon, i.e. as root, so it needs root's own
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# key — fred's doesn't count, and ssh refuses a key file owned by another user
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# outright. Copying fred's (root can read it anyway, so this leaks nothing new)
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# beats committing a private key to a repo the hosts fetch over plain HTTPS.
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# C+ re-copies on every activation, so rotating fred's key rotates root's too.
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systemd.tmpfiles.rules = lib.mkIf
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(lib.elem config.networking.hostName [ "FredOS-Gaming" "FredOS-Macbook" ]) [
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"d /root/.ssh 0700 root root -"
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"C+ /root/.ssh/id_ed25519 0600 root root - /home/fred/.ssh/id_ed25519"
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];
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# Accept unsigned paths copied back from the remote builder.
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nix.extraOptions =
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lib.mkIf (config.networking.hostName != "FredOS-Mediaserver") ''
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require-sigs = false
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'';
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}
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