Use host nix.conf

.gitlab-ci.yml

@@ -15,13 +15,9 @@ build-nixos-configurations:
           - lasting-integrity
           - urithiru
   script:
-    - cat /etc/nix/nix.conf
     - nix-env --quiet -j8 -iA cachix -f https://cachix.org/api/v1/install
     - cachix --version
     - cachix authtoken $CACHIX_AUTH_TOKEN
-    - cachix use chvp
-    - cachix use accentor
-    - cachix use nix-community
     - nix build -L --no-link .#nixosConfigurations.${HOST_TO_BUILD}.config.system.build.toplevel
     - nix eval --json .#nixosConfigurations.${HOST_TO_BUILD}.config.system.build.toplevel | sed 's/"\(.*\)"/\1/' | cachix push chvp
     

modules/services/git/runner.nix

@@ -17,6 +17,7 @@
             "/nix/store:/nix/store:ro"
             "/nix/var/nix/db:/nix/var/nix/db:ro"
             "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+            "/etc/nix/nix.conf:/etc/nix/nix.conf:ro"
           ];
           dockerDisableCache = true;
           preBuildScript = pkgs.writeScript "setup-container" ''
@@ -33,9 +34,6 @@
             . ${pkgs.nix}/etc/profile.d/nix.sh
 
             ${pkgs.nix}/bin/nix-env -i ${lib.concatStringsSep " " (with pkgs; [ nix cacert git openssh ])}
-
-            ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
-            ${pkgs.nix}/bin/nix-channel --update nixpkgs
           '';
           environmentVariables = {
             ENV = "/etc/profile";