Remove prefetch-npm-deps override

No longer needed on unstable-small

flake.lock

@@ -51,11 +51,11 @@
     "lix": {
       "flake": false,
       "locked": {
-        "lastModified": 1712180067,
-        "narHash": "sha256-XU32CuKt0wXB8Ws5P3pZFMlYIMVx9om1GycYpITAwZ0=",
+        "lastModified": 1713222580,
+        "narHash": "sha256-wWUZtNf1mSaO8B9mYWSR0AoYVQhryTZIW+b1yIYkAcs=",
         "ref": "refs/heads/main",
-        "rev": "89c31953c58d8089c85ae7ab43a5c59bb0f9f69b",
-        "revCount": 15311,
+        "rev": "866c76c7f93442993eb84b4268811bc101b4d447",
+        "revCount": 15403,
         "type": "git",
         "url": "ssh://git@git.lix.systems/lix-project/lix.git"
       },

flake.nix

@@ -23,8 +23,10 @@
       in
       {
         inherit pkgs;
-        packages.default = pkgs.nixVersions.nix_2_18;
-        packages.nix-doc = pkgs.nix-doc;
+        packages = {
+          default = pkgs.nixVersions.nix_2_18;
+          inherit (pkgs) nix-doc nix-eval-jobs;
+        };
 
         packages.system-profile = import ./system-profile.nix { inherit pkgs flakey-profile; };
       });

npins/default.nix

@@ -0,0 +1,47 @@
+# Generated by npins. Do not modify; will be overwritten regularly
+let
+  data = builtins.fromJSON (builtins.readFile ./sources.json);
+  version = data.version;
+
+  mkSource = spec:
+    assert spec ? type; let
+      path =
+        if spec.type == "Git" then mkGitSource spec
+        else if spec.type == "GitRelease" then mkGitSource spec
+        else if spec.type == "PyPi" then mkPyPiSource spec
+        else if spec.type == "Channel" then mkChannelSource spec
+        else builtins.throw "Unknown source type ${spec.type}";
+    in
+    spec // { outPath = path; };
+
+  mkGitSource = { repository, revision, url ? null, hash, ... }:
+    assert repository ? type;
+    # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
+    # In the latter case, there we will always be an url to the tarball
+    if url != null then
+      (builtins.fetchTarball {
+        inherit url;
+        sha256 = hash; # FIXME: check nix version & use SRI hashes
+      })
+    else assert repository.type == "Git"; builtins.fetchGit {
+      url = repository.url;
+      rev = revision;
+      # hash = hash;
+    };
+
+  mkPyPiSource = { url, hash, ... }:
+    builtins.fetchurl {
+      inherit url;
+      sha256 = hash;
+    };
+
+  mkChannelSource = { url, hash, ... }:
+    builtins.fetchTarball {
+      inherit url;
+      sha256 = hash;
+    };
+in
+if version == 3 then
+  builtins.mapAttrs (_: mkSource) data.pins
+else
+  throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"

npins/sources.json

@@ -0,0 +1,16 @@
+{
+  "pins": {
+    "nix-eval-jobs": {
+      "type": "Git",
+      "repository": {
+        "type": "Git",
+        "url": "git+ssh://git@git.lix.systems/lix-project/nix-eval-jobs"
+      },
+      "branch": "main",
+      "revision": "793841a9b7b689e37c9a7902710aab2bd6a833d5",
+      "url": null,
+      "hash": "1pkb7glscd6dkfjf7x1cj51l21k09wjw5mzm32j37yrln5f20il5"
+    }
+  },
+  "version": 3
+}

overlay.nix

@@ -15,45 +15,45 @@ let
   })
   );
 
-  # Internal nix-doc used by Lix.
-  lix-doc = final.callPackage (lix + "/nix-doc/package.nix") { };
+  lixPkg = (final.callPackage (lix + "/package.nix") {
+    build-release-notes = false;
+    versionSuffix = "-lix${versionSuffix}";
+    boehmgc-nix = boehmgc-patched;
+  }).overrideAttrs {
+    # Note: load-bearing version override. Nixpkgs does version detection to determine
+    # what commands and whatnot we support, so tell Nixpkgs that we're 2.18 (ish).
+    version = "2.18.3-lix${versionSuffix}";
+  };
 in
 {
+  # used for things that one wouldn't necessarily want to update, but we
+  # nevertheless shove it in the overlay and fixed-point it in case one *does*
+  # want to do that.
+  lix-sources = import ./npins;
+
   nixVersions = prev.nixVersions // rec {
     # FIXME: do something less scuffed
-    nix_2_18 = (prev.nixVersions.nix_2_18.override { boehmgc = boehmgc-patched; }).overrideAttrs (old: {
-      src = lix;
-      # FIXME: fake version so that nixpkgs will not try to use nix config >_>
-      version = "2.18.3-lix${versionSuffix}";
-      VERSION_SUFFIX = "-lix${versionSuffix}";
-
-      # We only include CMake so that Meson can locate toml11, which only ships CMake dependency metadata.
-      dontUseCmakeConfigure = true;
-
-      patches = [ ];
-      buildInputs = old.buildInputs or [ ] ++ [
-        final.toml11
-        lix-doc
-      ];
-      nativeBuildInputs = old.nativeBuildInputs or [ ] ++ [
-        final.buildPackages.cmake
-        # FIXME: we don't know why this was not being picked up properly when
-        # included in nativeCheckInputs.
-        final.buildPackages.git
-        final.buildPackages.python3
-      ];
-    });
+    nix_2_18 = lixPkg;
     stable = nix_2_18;
     nix_2_18_upstream = prev.nixVersions.nix_2_18;
   };
 
+  nix-eval-jobs = (prev.nix-eval-jobs.override {
+    # lix
+    nix = final.nixVersions.nix_2_18;
+  }).overrideAttrs (old: {
+    # FIXME: should this be patches instead?
+    src = final.lix-sources.nix-eval-jobs;
+
+    mesonBuildType = "debugoptimized";
+
+    ninjaFlags = old.ninjaFlags or [ ] ++ [ "-v" ];
+  });
+
   # force these onto upstream so we are not regularly rebuilding electron
   prefetch-yarn-deps = prev.prefetch-yarn-deps.override {
     nix = final.nixVersions.nix_2_18_upstream;
   };
-  prefetch-npm-deps = prev.prefetch-npm-deps.override {
-    nix = final.nixVersions.nix_2_18_upstream;
-  };
   nix-prefetch-git = prev.nix-prefetch-git.override {
     nix = final.nixVersions.nix_2_18_upstream;
   };