fix the gitlab config

`cp --recursive ...` is required for permission issues
`... --out-link result-docs` is required for path collision issues
the rest is at my discretion

.gitlab-ci.yml

@@ -8,10 +8,13 @@ default:
 docs:
   stage: "build"
   script:
-    - "nix-build docs"
+    - "nix-build --attr docs --out-link result-docs"
+    # GitLab wants to lchown artifacts.  It can't do that to store paths.  Get
+    # a copy of the docs outside of the store.
+    - "cp --recursive --no-preserve=mode ./result-docs/docs ./docs-build/"
   artifacts:
     paths:
-      - "./result/docs/"
+      - "./docs-build/"
     expose_as: "documentation"
 
 unit-tests:

default.nix

+{ pkgs ? import ./nixpkgs-2105.nix { } }:
+{
+  docs = pkgs.callPackage ./docs.nix { };
+}

docs/docs.nix → docs.nix

@@ -5,7 +5,7 @@ in
 stdenv.mkDerivation rec {
   version = "0.0";
   name = "privatestorageio-${version}";
-  src = lib.cleanSource ../.;
+  src = lib.cleanSource ./.;
 
   phases = [ "unpackPhase" "buildPhase" ];
 

docs/default.nix

-{ pkgs ? import ../nixpkgs-2105.nix { } }:
-pkgs.callPackage ./docs.nix { }