feat(bootstrap): Add the root of the repository

This avoids making ../../.. in some places

bootstrap.nix

@@ -27,6 +27,8 @@ in
 {
   inherit overlays sources unpatchedSources;
 
+  root = ./.;
+
   pkgs = pkgs // {
     lib = pkgs.lib.extend overlays.lib;
   };

machines/nixos/compute01/docuseal/default.nix

@@ -2,6 +2,8 @@
 #
 # SPDX-License-Identifier: EUPL-1.2
 
+{ bootstrap, ... }:
+
 let
   host = "docuseal.dgnum.eu";
   port = 2500;
@@ -12,7 +14,7 @@ in
 
   nixpkgs.overlays = [
     (self: _: {
-      docuseal = self.callPackage ../../../../pkgs/by-name/docuseal { };
+      docuseal = self.callPackage (bootstrap.root + "/pkgs/by-name/docuseal") { };
     })
   ];
 

machines/nixos/compute01/extranix/default.nix

@@ -5,13 +5,13 @@
 {
   lib,
   meta,
+  bootstrap,
   sources,
   dgn-keys,
   ...
 }:
 let
   inherit (lib.extra) mkImports;
-  hive-root = ../../../..;
   host = "search.infra.dgnum.eu";
 in
 {
@@ -24,14 +24,14 @@ in
       enable = true;
       modules = {
         "netconf" = {
-          paths = mkImports hive-root [
+          paths = mkImports bootstrap.root [
             "modules/netconf"
             "modules/generic"
             "lib/netconf-junos"
           ];
           path-translations = [
             {
-              base = hive-root;
+              base = bootstrap.root;
               url = "https://git.dgnum.eu/DGNum/infrastructure/src/branch/main/";
             }
           ];
@@ -39,11 +39,11 @@ in
         "DGNum Infrastructure" =
           let
             # prefer a non-patched nixpkgs
-            infra-nixpkgs = (import "${hive-root}/bootstrap.nix").pkgs;
+            infra-nixpkgs = bootstrap.pkgs;
             infra-modulesPath = "${infra-nixpkgs.path}/nixos/modules/";
           in
           {
-            paths = mkImports hive-root [
+            paths = mkImports bootstrap.root [
               "modules/generic"
               "modules/nixos"
             ];
@@ -71,7 +71,7 @@ in
             };
             path-translations = [
               {
-                base = hive-root;
+                base = bootstrap.root;
                 url = "https://git.dgnum.eu/DGNum/infrastructure/src/branch/main/";
               }
               {