grzegorz: add and shortcut on main domain

Reviewed-on: #105
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>

.mailmap

@@ -0,0 +1,25 @@
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> <daniel.olsen99@gmail.com>
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> Daniel <danio@pvv.ntnu.no>
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> Daniel Lovbrotte Olsen <danio@pvv.ntnu.no>
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> Daniel Olsen <danio@pvv.ntnu.no>
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> danio <danio@pvv.ntnu.no>
+Daniel Løvbrøtte Olsen <danio@pvv.ntnu.no> Daniel Olsen <danio@bicep.pvv.ntnu.no>
+
+
+Øystein Kristoffer Tveit <oysteikt@pvv.ntnu.no> h7x4 <h7x4@nani.wtf>
+Øystein Kristoffer Tveit <oysteikt@pvv.ntnu.no> Øystein Tveit <oysteikt@pvv.ntnu.no>
+Øystein Kristoffer Tveit <oysteikt@pvv.ntnu.no> oysteikt <oysteikt@pvv.ntnu.no>
+Øystein Kristoffer Tveit <oysteikt@pvv.ntnu.no> Øystein <oysteikt@pvv.org>
+Øystein Kristoffer Tveit <oysteikt@pvv.ntnu.no> Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>
+
+Felix Albrigtsen <felixalb@pvv.ntnu.no> <felix@albrigtsen.it>
+Felix Albrigtsen <felixalb@pvv.ntnu.no> <felixalbrigtsen@gmail.com>
+Felix Albrigtsen <felixalb@pvv.ntnu.no> felixalb <felixalb@pvv.ntnu.no>
+
+Peder Bergebakken Sundt <pederbs@pvv.ntnu.no> <pbsds@hotmail.com>
+
+Adrian Gunnar Lauterer <adriangl@pvv.ntnu.no> Adrian G L <adrian@lauterer.it>
+Adrian Gunnar Lauterer <adriangl@pvv.ntnu.no> Adrian Gunnar Lauterer <adrian@lauterer.it>
+
+Fredrik Robertsen <frero@pvv.ntnu.no> frero <frero@pvv.ntnu.no>
+Fredrik Robertsen <frero@pvv.ntnu.no> fredrikr79 <fredrikrobertsen7@gmail.com>

base/default.nix

@@ -7,8 +7,10 @@
 
     ./networking.nix
     ./nix.nix
+    ./vm.nix
 
     ./services/acme.nix
+    ./services/uptimed.nix
     ./services/auto-upgrade.nix
     ./services/dbus.nix
     ./services/fwupd.nix
@@ -76,4 +78,3 @@
   # Trusted users on the nix builder machines
   users.groups."nix-builder-users".name = "nix-builder-users";
 }
-

base/nix.nix

@@ -1,4 +1,4 @@
-{ inputs, ... }:
+{ lib, config, inputs, ... }:
 {
   nix = {
     gc = {
@@ -21,11 +21,16 @@
     ** use the same channel the system
     ** was built with
     */
-    registry = {
-      "nixpkgs".flake = inputs.nixpkgs;
-      "nixpkgs-unstable".flake = inputs.nixpkgs-unstable;
-      "pvv-nix".flake = inputs.self;
-    };
+    registry = lib.mkMerge [
+      {
+        "nixpkgs".flake = inputs.nixpkgs;
+        "nixpkgs-unstable".flake = inputs.nixpkgs-unstable;
+      }
+      # We avoid the reference to self in vmVariant to get a stable system .outPath for equivalence testing
+      (lib.mkIf (!config.virtualisation.isVmVariant) {
+        "pvv-nix".flake = inputs.self;
+      })
+    ];
     nixPath = [
       "nixpkgs=${inputs.nixpkgs}"
       "unstable=${inputs.nixpkgs-unstable}"

base/services/auto-upgrade.nix

@@ -1,26 +1,39 @@
-{ inputs, pkgs, lib, ... }:
+{ config, inputs, pkgs, lib, ... }:
+
+let
+  inputUrls = lib.mapAttrs (input: value: value.url) (import "${inputs.self}/flake.nix").inputs;
+in
+
 {
   system.autoUpgrade = {
     enable = true;
     flake = "git+https://git.pvv.ntnu.no/Drift/pvv-nixos-config.git";
     flags = [
-      # --update-input is deprecated since nix 2.22, and removed in lix 2.90
-      # https://git.lix.systems/lix-project/lix/issues/400
       "--refresh"
-      "--override-input" "nixpkgs" "github:nixos/nixpkgs/nixos-24.11-small"
-      "--override-input" "nixpkgs-unstable" "github:nixos/nixpkgs/nixos-unstable-small"
       "--no-write-lock-file"
-    ];
+      # --update-input is deprecated since nix 2.22, and removed in lix 2.90
+      # as such we instead use --override-input combined with --refresh
+      # https://git.lix.systems/lix-project/lix/issues/400
+    ] ++ (lib.pipe inputUrls [
+      (lib.intersectAttrs {
+        nixpkgs = { };
+        nixpkgs-unstable = { };
+      })
+      (lib.mapAttrsToList (input: url: ["--override-input" input url]))
+      lib.concatLists
+    ]);
   };
 
   # workaround for https://github.com/NixOS/nix/issues/6895
   # via https://git.lix.systems/lix-project/lix/issues/400
-  environment.etc."current-system-flake-inputs.json".source
-    = pkgs.writers.writeJSON "flake-inputs.json" (
-      lib.flip lib.mapAttrs inputs (name: input:
-        # inputs.*.sourceInfo sans outPath, since writeJSON will otherwise serialize sourceInfo like a derivation
-        lib.removeAttrs (input.sourceInfo or {}) [ "outPath" ]
-          // { store-path = input.outPath; } # comment this line if you don't want to retain a store reference to the flake inputs
-      )
-    );
+  environment.etc = lib.mkIf (!config.virtualisation.isVmVariant) {
+    "current-system-flake-inputs.json".source
+      = pkgs.writers.writeJSON "flake-inputs.json" (
+        lib.flip lib.mapAttrs inputs (name: input:
+          # inputs.*.sourceInfo sans outPath, since writeJSON will otherwise serialize sourceInfo like a derivation
+          lib.removeAttrs (input.sourceInfo or {}) [ "outPath" ]
+            // { store-path = input.outPath; } # comment this line if you don't want to retain a store reference to the flake inputs
+        )
+      );
+  };
 }

base/services/nginx.nix

@@ -20,14 +20,14 @@
     recommendedGzipSettings = true;
 
     appendConfig = ''
-      pcre_jit on;
+      # pcre_jit on;
       worker_processes auto;
       worker_rlimit_nofile 100000;
     '';
     eventsConfig = ''
       worker_connections 2048;
       use epoll;
-      multi_accept on;
+      # multi_accept on;
     '';
   };
 

base/services/uptimed.nix

@@ -0,0 +1,59 @@
+{ config, pkgs, lib, ... }:
+let
+  cfg = config.services.uptimed;
+in
+{
+  options.services.uptimed.settings = lib.mkOption {
+    description = "";
+    default = { };
+    type = lib.types.submodule {
+      freeformType = with lib.types; attrsOf (either str (listOf str));
+    };
+  };
+
+  config = {
+    services.uptimed = {
+      enable = true;
+
+      settings = let
+        stateDir = "/var/lib/uptimed";
+      in {
+        PIDFILE = "${stateDir}/pid";
+        SENDMAIL = lib.mkDefault "${pkgs.system-sendmail}/bin/sendmail -t";
+      };
+    };
+
+    systemd.services.uptimed = lib.mkIf (cfg.enable) {
+      serviceConfig = let
+        uptimed = pkgs.uptimed.overrideAttrs (prev: {
+          postPatch = ''
+             substituteInPlace Makefile.am \
+               --replace-fail '$(sysconfdir)/uptimed.conf' '/var/lib/uptimed/uptimed.conf'
+             substituteInPlace src/Makefile.am \
+               --replace-fail '$(sysconfdir)/uptimed.conf' '/var/lib/uptimed/uptimed.conf'
+          '';
+        });
+
+      in {
+        Type = "notify";
+
+        ExecStart = lib.mkForce "${uptimed}/sbin/uptimed -f";
+
+        BindReadOnlyPaths = let
+          configFile = lib.pipe cfg.settings [
+            (lib.mapAttrsToList
+              (k: v:
+                if builtins.isList v
+                  then lib.mapConcatStringsSep "\n" (v': "${k}=${v'}") v
+                  else "${k}=${v}")
+            )
+            (lib.concatStringsSep "\n")
+            (pkgs.writeText "uptimed.conf")
+          ];
+        in [
+          "${configFile}:/var/lib/uptimed/uptimed.conf"
+        ];
+      };
+    };
+  };
+}

base/vm.nix

@@ -0,0 +1,15 @@
+{ lib, ... }:
+
+# This enables
+#     lib.mkIf (!config.virtualisation.isVmVariant) { ... }
+
+{
+  options.virtualisation.isVmVariant = lib.mkOption {
+    description = "`true` if system is build with 'nixos-rebuild build-vm'";
+    type = lib.types.bool;
+    default = false;
+  };
+  config.virtualisation.vmVariant = {
+    virtualisation.isVmVariant = true;
+  };
+}

flake.lock

@@ -139,34 +139,28 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1745526780,
-        "narHash": "sha256-LXXYBmFPMQU2lTb6alKWfjgQs08BKn+txMNcgbu00hI=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "9204750b34cae1a8347ab4b5588115edfeebc6d7",
-        "type": "github"
+        "lastModified": 1748615477,
+        "narHash": "sha256-8sjG4sNIonQPK2olCGvq3/j1qtjwPaTOFU5nkz1gj2Q=",
+        "rev": "97d3ce1ceb663a24184aac92b7e9e8f5452111c1",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/24.11-small/nixos-24.11.718472.97d3ce1ceb66/nixexprs.tar.xz?rev=97d3ce1ceb663a24184aac92b7e9e8f5452111c1"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixos-24.11-small",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://nixos.org/channels/nixos-24.11-small/nixexprs.tar.xz"
       }
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1745688173,
-        "narHash": "sha256-fgvG1O5JvSSjeQx+ea0DJ3GfMbLPVhAQta/DqQ2y6jc=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "6a2957c7978b189202e03721aab901c0a9dc1e1a",
-        "type": "github"
+        "lastModified": 1748588304,
+        "narHash": "sha256-YCnUqO9k39p0oMIBndxYTbu8m0fOA/KVcq3IekXPy9c=",
+        "rev": "b8af95f4cf511c5f056b463c3a45d2b63c7cfb03",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-25.11pre807945.b8af95f4cf51/nixexprs.tar.xz?rev=b8af95f4cf511c5f056b463c3a45d2b63c7cfb03"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
+        "type": "tarball",
+        "url": "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz"
       }
     },
     "pvv-calendar-bot": {

flake.nix

@@ -2,8 +2,8 @@
   description = "PVV System flake";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11-small"; # remember to also update the url in base/services/auto-upgrade.nix
-    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable-small";
+    nixpkgs.url = "https://nixos.org/channels/nixos-24.11-small/nixexprs.tar.xz";
+    nixpkgs-unstable.url = "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz";
 
     sops-nix.url = "github:Mic92/sops-nix";
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
@@ -91,6 +91,7 @@
         modules = [
           inputs.matrix-next.nixosModules.default
           inputs.pvv-calendar-bot.nixosModules.default
+          self.nixosModules.gickup
         ];
         overlays = [
           inputs.pvv-calendar-bot.overlays.x86_64-linux.default
@@ -164,12 +165,13 @@
       snakeoil-certs = ./modules/snakeoil-certs.nix;
       snappymail = ./modules/snappymail.nix;
       robots-txt = ./modules/robots-txt.nix;
+      gickup = ./modules/gickup;
     };
 
     devShells = forAllSystems (system: {
-      default = nixpkgs.legacyPackages.${system}.callPackage ./shell.nix { };
+      default = nixpkgs-unstable.legacyPackages.${system}.callPackage ./shell.nix { };
       cuda = let
-        cuda-pkgs = import nixpkgs {
+        cuda-pkgs = import nixpkgs-unstable {
           inherit system;
           config = {
             allowUnfree = true;

hosts/bekkalokk/services/mediawiki/default.nix

@@ -214,11 +214,11 @@ in {
       "= /favicon.ico".alias = pkgs.runCommandLocal "mediawiki-favicon.ico" {
         buildInputs = with pkgs; [ imagemagick ];
       } ''
-        convert \
+        magick \
+          ${fp /assets/logo_blue_regular.png} \
           -resize x64 \
           -gravity center \
           -crop 64x64+0+0 \
-          ${fp /assets/logo_blue_regular.png} \
           -flatten \
           -colors 256 \
           -background transparent \

hosts/bekkalokk/services/website/fetch-gallery.nix

@@ -53,7 +53,7 @@ in {
 
         echo "Creating thumbnail for $fname"
         mkdir -p $(dirname ".thumbnails/$fname")
-        convert -define jpeg:size=200x200 "$fname" -thumbnail 300 -auto-orient ".thumbnails/$fname.png" ||:
+        magick -define jpeg:size=200x200 "$fname" -thumbnail 300 -auto-orient ".thumbnails/$fname.png" ||:
         touch -m -d "$(date -R -r "$fname")" ".thumbnails/$fname.png"
       done <<< "$images"
     '';

hosts/bicep/configuration.nix

@@ -8,6 +8,7 @@
     ./services/nginx
 
     ./services/calendar-bot.nix
+    ./services/git-mirrors
     ./services/mysql.nix
     ./services/postgres.nix
 

hosts/bicep/services/git-mirrors/default.nix

@@ -0,0 +1,100 @@
+{ config, pkgs, lib, fp, ... }:
+let
+  cfg = config.services.gickup;
+in
+{
+  sops.secrets."gickup/github-token" = {
+    owner = "gickup";
+  };
+
+  services.gickup = {
+    enable = true;
+
+    dataDir = "/data/gickup";
+
+    destinationSettings = {
+      structured = true;
+      zip = false;
+      keep = 10;
+      bare = true;
+      lfs = false;
+    };
+
+    instances = let
+      defaultGithubConfig = {
+        settings.token_file = config.sops.secrets."gickup/github-token".path;
+      };
+      defaultGitlabConfig = {
+        # settings.token_file = ...
+      };
+    in {
+      "github:Git-Mediawiki/Git-Mediawiki" = defaultGithubConfig;
+      "github:NixOS/nixpkgs" = defaultGithubConfig;
+      "github:go-gitea/gitea" = defaultGithubConfig;
+      "github:heimdal/heimdal" = defaultGithubConfig;
+      "github:saltstack/salt" = defaultGithubConfig;
+      "github:typst/typst" = defaultGithubConfig;
+      "github:unmojang/FjordLauncher" = defaultGithubConfig;
+      "github:unmojang/drasl" = defaultGithubConfig;
+      "github:yushijinhun/authlib-injector" = defaultGithubConfig;
+
+      "gitlab:mx-puppet/discord/better-discord.js" = defaultGitlabConfig;
+      "gitlab:mx-puppet/discord/discord-markdown" = defaultGitlabConfig;
+      "gitlab:mx-puppet/discord/matrix-discord-parser" = defaultGitlabConfig;
+      "gitlab:mx-puppet/discord/mx-puppet-discord" = defaultGitlabConfig;
+      "gitlab:mx-puppet/mx-puppet-bridge" = defaultGitlabConfig;
+
+      "any:glibc" = {
+        settings.url = "https://sourceware.org/git/glibc.git";
+      };
+
+      "any:out-of-your-element" = {
+        settings.url = "https://gitdab.com/cadence/out-of-your-element.git";
+      };
+
+      "any:out-of-your-element-module" = {
+        settings.url = "https://cgit.rory.gay/nix/OOYE-module.git";
+      };
+    };
+  };
+
+  services.cgit = let
+    domain = "mirrors.pvv.ntnu.no";
+  in {
+    ${domain} = {
+      enable = true;
+      package = pkgs.callPackage (fp /packages/cgit.nix) { };
+      group = "gickup";
+      scanPath = "${cfg.dataDir}/linktree";
+      settings = {
+        enable-commit-graph = true;
+        enable-follow-links = true;
+        enable-http-clone = true;
+        enable-remote-branches = true;
+        clone-url = "https://${domain}/$CGIT_REPO_URL";
+        remove-suffix = true;
+        root-title = "PVVSPPP";
+        root-desc = "PVV Speiler Praktisk og Prominent Programvare";
+        snapshots = "all";
+        logo = "/PVV-logo.png";
+      };
+    };
+  };
+
+  services.nginx.virtualHosts."mirrors.pvv.ntnu.no" = {
+    forceSSL = true;
+    enableACME = true;
+
+    locations."= /PVV-logo.png".alias = let
+      small-pvv-logo = pkgs.runCommandLocal "pvv-logo-96x96" {
+        nativeBuildInputs = [ pkgs.imagemagick ];
+      } ''
+        magick '${fp /assets/logo_blue_regular.svg}' -resize 96x96 PNG:"$out"
+      '';
+    in toString small-pvv-logo;
+  };
+
+  systemd.services."fcgiwrap-cgit-mirrors.pvv.ntnu.no" = {
+    serviceConfig.BindReadOnlyPaths = [ cfg.dataDir ];
+  };
+}

hosts/georg/configuration.nix

@@ -8,7 +8,7 @@
 
       (fp /modules/grzegorz.nix)
     ];
-
+  services.spotifyd.enable = true;
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 

hosts/kommode/services/gitea/customization/default.nix

@@ -3,7 +3,12 @@ let
   cfg = config.services.gitea;
 in
 {
-  services.gitea-themes.monokai = pkgs.gitea-theme-monokai;
+  services.gitea-themes = {
+    monokai = pkgs.gitea-theme-monokai;
+    earl-grey = pkgs.gitea-theme-earl-grey;
+    pitch-black = pkgs.gitea-theme-pitch-black;
+    catppuccin = pkgs.gitea-theme-catppuccin;
+  };
 
   systemd.services.gitea-customization = lib.mkIf cfg.enable {
     description = "Install extra customization in gitea's CUSTOM_DIR";

justfile

@@ -1,25 +1,56 @@
+set positional-arguments # makes variables accesible as $1 $2 $@
 export GUM_FILTER_HEIGHT := "15"
-nom := `if command -v nom >/dev/null; then echo nom; else echo nix; fi`
+nom := `if [[ -t 1 ]] && command -v nom >/dev/null; then echo nom; else echo nix; fi`
+nix_eval_opts := "--log-format raw --option warn-dirty false"
 
 @_default:
   just "$(gum choose --ordered --header "Pick a recipie..." $(just --summary --unsorted))"
 
-check:
-  nix flake check --keep-going
+check *_:
+  nix flake check --keep-going "$@"
 
-build-machine machine=`just _a_machine`:
-  {{nom}} build .#nixosConfigurations.{{ machine }}.config.system.build.toplevel
+build-machine machine=`just _a_machine` *_:
+  {{nom}} build .#nixosConfigurations.{{ machine }}.config.system.build.toplevel "${@:2}"
 
-run-vm machine=`just _a_machine`:
-  nixos-rebuild build-vm --flake .#{{ machine }}
+run-vm machine=`just _a_machine` *_:
+  nixos-rebuild build-vm --flake .#{{ machine }} "${@:2}"
   QEMU_NET_OPTS="hostfwd=tcp::8080-:80,hostfwd=tcp::8081-:443,hostfwd=tcp::2222-:22" ./result/bin/run-*-vm
 
-@update-inputs:
-  nix eval .#inputs --apply builtins.attrNames --json \
-    | jq '.[]' -r \
-    | gum choose --no-limit --height=15 \
-    | xargs -L 1 nix flake lock --update-input
+@update-inputs *_:
+  @git reset flake.lock
+  @git restore flake.lock
+  nix eval {{nix_eval_opts}} --file flake.nix --apply 'x: builtins.attrNames x.inputs' --json \
+    | { printf "%s\n" --commit-lock-file; jq '.[]' -r | grep -vxF "self" ||:; } \
+    | gum choose --no-limit --header "Choose extra arguments:" \
+    | tee >(xargs -d'\n' echo + nix flake update "$@" >&2) \
+    | xargs -d'\n' nix flake update "$@"
+
+@repl $machine=`just _a_machine` *_:
+  set -v; nixos-rebuild --flake .#"$machine" repl "${@:2}"
+
+@eval $machine=`just _a_machine` $attrpath="system.build.toplevel.outPath" *_:
+  set -v; nix eval {{nix_eval_opts}} ".#nixosConfigurations.\"$machine\".config.$attrpath" --show-trace "${@:3}"
+
+@eval-vm $machine=`just _a_machine` $attrpath="system.build.toplevel.outPath" *_:
+  just eval "$machine" "virtualisation.vmVariant.$attrpath" "${@:3}"
 
 
+# helpers
+
+[no-exit-message]
 _a_machine:
-  nix eval .#nixosConfigurations --apply builtins.attrNames --json | jq .[] -r | gum filter
+  #!/usr/bin/env -S sh -euo pipefail
+  machines="$(
+    nix eval {{nix_eval_opts}} .#nixosConfigurations --apply builtins.attrNames --json | jq .[] -r
+  )"
+  [ -n "$machines" ] || { echo >&2 "ERROR: no machines found"; false; }
+  if [ -s .direnv/vars/last-machine.txt ]; then
+    machines="$(
+      grep <<<"$machines" -xF  "$(cat .direnv/vars/last-machine.txt)" ||:
+      grep <<<"$machines" -xFv "$(cat .direnv/vars/last-machine.txt)" ||:
+    )"
+  fi
+  choice="$(gum filter <<<"$machines")"
+  mkdir -p .direnv/vars
+  cat <<<"$choice" >.direnv/vars/last-machine.txt
+  cat <<<"$choice"

modules/gickup/default.nix

@@ -0,0 +1,310 @@
+{ config, pkgs, lib, utils, ... }:
+let
+  cfg = config.services.gickup;
+  format = pkgs.formats.yaml { };
+in
+{
+  imports = [
+    ./set-description.nix
+    ./hardlink-files.nix
+    ./import-from-toml.nix
+    ./update-linktree.nix
+  ];
+
+  options.services.gickup = {
+    enable = lib.mkEnableOption "gickup, a git repository mirroring service";
+
+    package = lib.mkPackageOption pkgs "gickup" { };
+    gitPackage = lib.mkPackageOption pkgs "git" { };
+    gitLfsPackage = lib.mkPackageOption pkgs "git-lfs" { };
+
+    dataDir = lib.mkOption {
+      type = lib.types.path;
+      description = "The directory to mirror repositories to.";
+      default = "/var/lib/gickup";
+      example = "/data/gickup";
+    };
+
+    destinationSettings = lib.mkOption {
+      description = ''
+        Settings for destination local, see gickup configuration file
+
+        Note that `path` will be set automatically to `/var/lib/gickup`
+      '';
+      type = lib.types.submodule {
+        freeformType = format.type;
+      };
+      default = { };
+      example = {
+        structured = true;
+        zip = false;
+        keep = 10;
+        bare = true;
+        lfs = true;
+      };
+    };
+
+    instances = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.submodule (submoduleInputs@{ name, ... }: let
+        submoduleName = name;
+
+        nameParts = rec {
+          repoType = builtins.head (lib.splitString ":" submoduleName);
+
+          owner = if repoType == "any"
+                  then null
+                  else lib.pipe submoduleName [
+                    (lib.removePrefix "${repoType}:")
+                    (lib.splitString "/")
+                    builtins.head
+                  ];
+
+          repo = if repoType == "any"
+                 then null
+                 else lib.pipe submoduleName [
+                    (lib.removePrefix "${repoType}:")
+                    (lib.splitString "/")
+                    lib.last
+                  ];
+
+          slug = if repoType == "any"
+                 then lib.toLower (builtins.replaceStrings [ ":" "/" ] [ "-" "-" ] submoduleName)
+                 else "${lib.toLower repoType}-${lib.toLower owner}-${lib.toLower repo}";
+        };
+      in {
+        options = {
+          interval = lib.mkOption {
+            type = lib.types.str;
+            default = "daily";
+            example = "weekly";
+            description = ''
+              Specification (in the format described by {manpage}`systemd.time(7)`) of the time
+              interval at which to run the service.
+            '';
+          };
+
+          type = lib.mkOption {
+            type = lib.types.enum [
+              "github"
+              "gitlab"
+              "gitea"
+              "gogs"
+              "bitbucket"
+              "onedev"
+              "sourcehut"
+              "any"
+            ];
+            example = "github";
+            default = nameParts.repoType;
+            description = ''
+              The type of the repository to mirror.
+            '';
+          };
+
+          owner = lib.mkOption {
+            type = with lib.types; nullOr str;
+            example = "go-gitea";
+            default = nameParts.owner;
+            description = ''
+              The owner of the repository to mirror (if applicable)
+            '';
+          };
+
+          repo = lib.mkOption {
+            type = with lib.types; nullOr str;
+            example = "gitea";
+            default = nameParts.repo;
+            description = ''
+              The name of the repository to mirror (if applicable)
+            '';
+          };
+
+          slug = lib.mkOption {
+            type = lib.types.str;
+            default = nameParts.slug;
+            example = "github-go-gitea-gitea";
+            description = ''
+              The slug of the repository to mirror.
+            '';
+          };
+
+          description = lib.mkOption {
+            type = with lib.types; nullOr str;
+            example = "A project which does this and that";
+            description = ''
+              A description of the project. This isn't used directly by gickup for anything,
+              but can be useful if gickup is used together with cgit or similar.
+            '';
+          };
+
+          settings = lib.mkOption {
+            description = "Instance specific settings, see gickup configuration file";
+            type = lib.types.submodule {
+              freeformType = format.type;
+            };
+            default = { };
+            example = {
+              username = "gickup";
+              password = "hunter2";
+              wiki = true;
+              issues = true;
+            };
+          };
+        };
+      }));
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users.gickup = {
+      isSystemUser = true;
+      group = "gickup";
+      home = "/var/lib/gickup";
+    };
+
+    users.groups.gickup = { };
+
+    services.gickup.destinationSettings.path = "/var/lib/gickup/raw";
+
+    systemd.tmpfiles.settings."10-gickup" = lib.mkIf (cfg.dataDir != "/var/lib/gickup") {
+      ${cfg.dataDir}.d = {
+        user = "gickup";
+        group = "gickup";
+        mode = "0755";
+      };
+    };
+
+    systemd.slices."system-gickup" = {
+      description = "Gickup git repository mirroring service";
+      after = [ "network.target" ];
+    };
+
+    systemd.targets.gickup = {
+      description = "Gickup git repository mirroring service";
+      wants = map ({ slug, ... }: "gickup@${slug}.service") (lib.attrValues cfg.instances);
+    };
+
+    systemd.timers = {
+      "gickup@" = {
+        description = "Gickup git repository mirroring service for %i";
+
+        timerConfig = {
+          OnCalendar = "daily";
+          RandomizedDelaySec = "1h";
+          Persistent = true;
+          AccuracySec = "1s";
+        };
+      };
+    }
+    //
+    # Overrides for mirrors which are not "daily"
+    (lib.pipe cfg.instances [
+      builtins.attrValues
+      (builtins.filter (instance: instance.interval != "daily"))
+      (map ({ slug, interval, ... }: {
+        name = "gickup@${slug}";
+        value = {
+          overrideStrategy = "asDropin";
+          timerConfig.OnCalendar = interval;
+        };
+      }))
+      builtins.listToAttrs
+    ]);
+
+    systemd.targets.timers.wants = map ({ slug, ... }: "gickup@${slug}.timer") (lib.attrValues cfg.instances);
+
+    systemd.services = {
+      "gickup@" = let
+        configDir = lib.pipe cfg.instances [
+          (lib.mapAttrsToList (name: instance: {
+            name = "${instance.slug}.yml";
+            path = format.generate "gickup-configuration-${name}.yml" {
+              destination.local = [ cfg.destinationSettings ];
+              source.${instance.type} = [
+                (
+                  (lib.optionalAttrs (instance.type != "any") {
+                    user = instance.owner;
+                    includeorgs = [ instance.owner ];
+                    include = [ instance.repo ];
+                  })
+                  //
+                  instance.settings
+                )
+              ];
+            };
+          }))
+          (pkgs.linkFarm "gickup-configuration-files")
+        ];
+      in {
+        description = "Gickup git repository mirroring service for %i";
+        after = [ "network.target" ];
+
+        path = [
+          cfg.gitPackage
+          cfg.gitLfsPackage
+        ];
+
+        restartIfChanged = false;
+
+        serviceConfig = {
+          Type = "oneshot";
+          ExecStart = "'${pkgs.gickup}/bin/gickup' '${configDir}/%i.yml'";
+          ExecStartPost = "";
+
+          User = "gickup";
+          Group = "gickup";
+
+          BindPaths = lib.optionals (cfg.dataDir != "/var/lib/gickup") [
+            "${cfg.dataDir}:/var/lib/gickup"
+          ];
+
+          Slice = "system-gickup.slice";
+
+          SyslogIdentifier = "gickup-%i";
+          StateDirectory = "gickup";
+          # WorkingDirectory = "gickup";
+          # RuntimeDirectory = "gickup";
+          # RuntimeDirectoryMode = "0700";
+
+          # https://discourse.nixos.org/t/how-to-prevent-custom-systemd-service-from-restarting-on-nixos-rebuild-switch/43431
+          RemainAfterExit = true;
+
+          # Hardening options
+          AmbientCapabilities = [];
+          LockPersonality = true;
+          NoNewPrivileges = true;
+          PrivateDevices = true;
+          PrivateMounts = true;
+          PrivateTmp = true;
+          PrivateUsers = true;
+          ProcSubset = "pid";
+          ProtectClock = true;
+          ProtectControlGroups = true;
+          ProtectHome = true;
+          ProtectHostname = true;
+          ProtectKernelLogs = true;
+          ProtectKernelModules = true;
+          ProtectKernelTunables = true;
+          # ProtectProc = "invisible";
+          # ProtectSystem = "strict";
+          RemoveIPC = true;
+          RestrictAddressFamilies = [
+            "AF_INET"
+            "AF_INET6"
+          ];
+          RestrictNamespaces = true;
+          RestrictRealtime = true;
+          RestrictSUIDSGID = true;
+          SystemCallArchitectures = "native";
+          # SystemCallFilter = [
+          #   "@system-service"
+          #   "~@resources"
+          #   "~@privileged"
+          # ];
+          UMask = "0002";
+          CapabilityBoundingSet = [];
+        };
+      };
+    };
+  };
+}

modules/gickup/hardlink-files.nix

@@ -0,0 +1,42 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.gickup;
+in
+{
+  config = lib.mkIf cfg.enable {
+    # TODO: add a service that will look at the backed up files and hardlink
+    #       the ones that have a matching hash together to save space. This can
+    #       either run routinely (i.e. trigger by systemd-timer), or be activated
+    #       whenever a gickup@<slug>.service finishes. The latter is probably better.
+
+    # systemd.services."gickup-hardlink" = {
+    #   serviceConfig = {
+    #     Type = "oneshot";
+    #     ExecStart = let
+    #       script = pkgs.writeShellApplication {
+    #         name = "gickup-hardlink-files.sh";
+    #         runtimeInputs = [ pkgs.coreutils pkgs.jdupes ];
+    #         text = ''
+
+    #         '';
+    #       };
+    #     in lib.getExe script;
+
+    #     User = "gickup";
+    #     Group = "gickup";
+
+    #     BindPaths = lib.optionals (cfg.dataDir != "/var/lib/gickup") [
+    #       "${cfg.dataDir}:/var/lib/gickup"
+    #     ];
+
+    #     Slice = "system-gickup.slice";
+
+    #     StateDirectory = "gickup";
+
+    #     # Hardening options
+    #     # TODO:
+    #     PrivateNetwork = true;
+    #   };
+    # };
+  };
+}

modules/gickup/import-from-toml.nix

@@ -0,0 +1,11 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.gickup;
+in
+{
+  config = lib.mkIf cfg.enable {
+    # TODO: import cfg.instances from a toml file to make it easier for non-nix users
+    #       to add repositories to mirror
+  };
+}

modules/gickup/set-description.nix

@@ -0,0 +1,9 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.gickup;
+in
+{
+  config = lib.mkIf cfg.enable {
+    # TODO: create .git/description files for each repo where cfg.instances.<instance>.description is set
+  };
+}

modules/gickup/update-linktree.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.gickup;
+in
+{
+  config = lib.mkIf cfg.enable {
+    # TODO: run upon completion of cloning a repository
+    systemd.timers."gickup-linktree" = {
+      wantedBy = [ "timers.target" ];
+      timerConfig = {
+        OnCalendar = "daily";
+        Persistent = true;
+        Unit = "gickup-linktree.service";
+      };
+    };
+
+    # TODO: update symlink for one repo at a time (e.g. gickup-linktree@<instance>.service)
+    systemd.services."gickup-linktree" = {
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = let
+          script = pkgs.writeShellApplication {
+            name = "gickup-update-symlink-tree.sh";
+            runtimeInputs = [
+              pkgs.coreutils
+              pkgs.findutils
+            ];
+            text = ''
+              shopt -s nullglob
+
+              for repository in ./*/*/*; do
+                REPOSITORY_RELATIVE_DIRS=''${repository#"./"}
+
+                echo "Checking $REPOSITORY_RELATIVE_DIRS"
+
+                declare -a REVISIONS
+                readarray -t REVISIONS < <(find "$repository" -mindepth 1 -maxdepth 1 -printf "%f\n" | sort --numeric-sort --reverse)
+
+                if [[ "''${#REVISIONS[@]}" == 0 ]]; then
+                  echo "Found no revisions for $repository, continuing"
+                  continue
+                fi
+
+                LAST_REVISION="''${REVISIONS[0]}"
+                SYMLINK_PATH="../linktree/''${REPOSITORY_RELATIVE_DIRS}"
+
+                mkdir -p "$(dirname "$SYMLINK_PATH")"
+
+                EXPECTED_SYMLINK_TARGET=$(realpath "''${repository}/''${LAST_REVISION}")
+                EXISTING_SYMLINK_TARGET=$(realpath "$SYMLINK_PATH" || echo "<none>")
+
+                if [[ "$EXISTING_SYMLINK_TARGET" != "$EXPECTED_SYMLINK_TARGET" ]]; then
+                  echo "Updating symlink for $REPOSITORY_RELATIVE_DIRS"
+                  rm "$SYMLINK_PATH" ||:
+                  ln -rs "$EXPECTED_SYMLINK_TARGET" "$SYMLINK_PATH"
+                else
+                  echo "Symlink already up to date, continuing..."
+                fi
+
+                echo "---"
+              done
+            '';
+          };
+        in lib.getExe script;
+
+        User = "gickup";
+        Group = "gickup";
+
+        BindPaths = lib.optionals (cfg.dataDir != "/var/lib/gickup") [
+          "${cfg.dataDir}:/var/lib/gickup"
+        ];
+
+        Slice = "system-gickup.slice";
+
+        StateDirectory = "gickup";
+        WorkingDirectory = "/var/lib/gickup/raw";
+
+        # Hardening options
+        # TODO:
+        PrivateNetwork = true;
+      };
+    };
+  };
+}

modules/grzegorz.nix

@@ -13,6 +13,11 @@ in {
     enablePipewire = true;
   };
 
+  systemd.user.services.restart-greg-ng = {
+    script = "systemctl --user restart greg-ng.service";
+    startAt = "*-*-* 06:30:00";
+  };
+
   services.grzegorz-webui = {
     enable = true;
     listenAddr = "localhost";
@@ -41,6 +46,15 @@ in {
         allow 2001:700:300:1900::/64;
         deny all;
       '';
+
+      locations."/docs" = {
+        proxyPass = "http://${grg.settings.host}:${toString grg.settings.port}";
+      };
+
+      locations."/api" = {
+        proxyPass = "http://${grg.settings.host}:${toString grg.settings.port}";
+        proxyWebsockets = true;
+      };
     };
 
     "${machine}-backend.pvv.ntnu.no" = {

packages/cgit.nix

@@ -0,0 +1,21 @@
+{ cgit, fetchurl, ... }:
+let
+  pname = cgit.pname;
+  commit = "09d24d7cd0b7e85633f2f43808b12871bb209d69";
+in
+cgit.overrideAttrs (_: {
+  version = "1.2.3-unstable-2024.07.16";
+
+  src = fetchurl {
+    url = "https://git.zx2c4.com/cgit/snapshot/${pname}-${commit}.tar.xz";
+    hash = "sha256-gfgjAXnWRqVCP+4cmYOVdB/3OFOLJl2WBOc3bFVDsjw=";
+  };
+
+  # cgit is tightly coupled with git and needs a git source tree to build.
+  # IMPORTANT: Remember to check which git version cgit needs on every version
+  # bump (look for "GIT_VER" in the top-level Makefile).
+  gitSrc = fetchurl {
+    url = "mirror://kernel/software/scm/git/git-2.46.0.tar.xz";
+    hash = "sha256-fxI0YqKLfKPr4mB0hfcWhVTCsQ38FVx+xGMAZmrCf5U=";
+  };
+})

secrets/bicep/bicep.yaml

@@ -3,6 +3,8 @@ calendar-bot:
     mysql_password: ENC[AES256_GCM,data:Gqag8yOgPH3ntoT5TmaqJWv1j+si2qIyz5Ryfw5E2A==,iv:kQDcxnPfwJQcFovI4f87UDt18F8ah3z5xeY86KmdCyY=,tag:A1sCSNXJziAmtUWohqwJgg==,type:str]
 mysql:
     password: ENC[AES256_GCM,data:KqEe0TVdeMIzPKsmFg9x0X9xWijnOk306ycyXTm2Tpqo/O0F,iv:Y+hlQ8n1ZIP9ncXBzd2kCSs/DWVTWhiEluFVwZFKRCA=,tag:xlaUk0Wftk62LpYE5pKNQw==,type:str]
+gickup:
+    github-token: ENC[AES256_GCM,data:H/yBDLIvEXunmaUha3c2vUWKLRIbl9QrC0t13AQDRCTnrvhabeiUFLNxZ/F+4B6sZ2aPSgZoB69WwnHvh1wLdiFp1qLWKW/jQPvzZOxE4n+jXrnSOutUWktbPzVj,iv:KFW4jRru93JIl9doVFtcNkJDWp89NlzWjPDflHxcL/U=,tag:YtgyRxkoZO9MkuP3DJh7zA==,type:str]
 sops:
     kms: []
     gcp_kms: []
@@ -63,8 +65,8 @@ sops:
             cTh5bnJ3WW90aXRCSUp6NHFYeU1tZ0kK4afdtJwGNu6wLRI0fuu+mBVeqVeB0rgX
             0q5hwyzjiRnHnyjF38CmcGgydSfDRmF6P+WIMbCwXC6LwfRhAmBGPg==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2024-08-15T21:18:33Z"
-    mac: ENC[AES256_GCM,data:uR5HgeDAYqoqB9kk1V6p0T30+v6WpQJi4+qIeCDRnoUPnQKUVR10hvBhICck+E+Uh8p+tGhM6Uf3YrAJAV0ZCUiNJjtwDJQQLUDT53vdOAXN4xADCQqNuhgVwVMaruoTheEiwOswRuhFeEwy0gBj3Ze2pu47lueHYclmEzumLeQ=,iv:t0UyXN2YaR2m7M/pV2wTLJG5wVfqTIUs7wSQMmyeTVw=,tag:O7dIffzrDAXz3kGx5uazhw==,type:str]
+    lastmodified: "2025-05-07T21:34:48Z"
+    mac: ENC[AES256_GCM,data:n6GHD+nQmZL17WvUZiMCBLRHbtpoKU6U8o/Oraj0VSRi/pQ74QWGVEcIX87kFjBvR2C+UPd3KwXzjQHhjUfHpz9EjIGi6tXLTTo8K3ptd2wCL8MW418TVO4KV+BFmHGT4kwlbdoqaJ2SA7HcfXNaC68e/2CTXhtkLpIwGXtYWJA=,iv:iC5QX/JMwno4mBljPdorNmcQSD2wy/wOYvGrUoC2yzg=,tag:GuFNQ6+d6o9DYC6Do/IEqQ==,type:str]
     pgp:
         - created_at: "2024-08-04T00:03:40Z"
           enc: |-
@@ -87,4 +89,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.9.0
+    version: 3.9.4

users/oysteikt.nix

@@ -13,7 +13,6 @@
       bottom
       eza
       neovim
-      diskonaut
       ripgrep
       tmux
     ];