Update to latest nixos-unstable

This simplifies the flake a lot.

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1619345332,
+        "lastModified": 1653893745,
-        "narHash": "sha256-qHnQkEp1uklKTpx3MvKtY6xzgcqXDsz5nLilbbuL+3A=",
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "2ebf2558e5bf978c7fb8ea927dfaed8fefab2e28",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1619796933,
+        "lastModified": 1654694478,
-        "narHash": "sha256-Tw9QyuOL8ROhMKkpYBmj8r8h9ehEn9JKhZ+VyK4OfMI=",
+        "narHash": "sha256-nFAMETXEhIrqnBe28u6vqy4ixSRr0BRrlZLlS0e7eoM=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c8dff328e51f62760bf646bc345e3aabcfd82046",
+        "rev": "18de53ca965bd0678aaf09e5ce0daae05c58355a",
         "type": "github"
       },
       "original": {

flake.nix

@@ -7,144 +7,22 @@
 
   outputs = { self, flake-utils, nixpkgs }: flake-utils.lib.eachDefaultSystem (system:
     let
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = import nixpkgs { inherit system; };
     in
     rec {
       packages = nixpkgs.lib.mapAttrs
         (name: value: pkgs.python3Packages.callPackage value { })
         {
-          lunr =
-            { buildPythonPackage, fetchPypi, future, six, mock, pytest }:
-
-            buildPythonPackage rec {
-              pname = "lunr";
-              version = "0.5.8";
-
-              src = fetchPypi {
-                inherit pname version;
-                sha256 = "0vn2j5iyy40sv0f4v8nin5n5xs4a020g6gcbcgfpbxzgk0xhdyy4";
-              };
-
-              propagatedBuildInputs = [
-                future
-                six
-              ];
-
-              checkInputs = [
-                mock
-                pytest
-              ];
-            };
-
-          # FIXME: use nixpkgs’s mkdocs once it is ≥1.1
-          mkdocs =
-            { buildPythonPackage
-            , fetchPypi
-            , backports_tempfile
-            , click
-            , jinja2
-            , livereload
-            , markdown
-            , nltk
-            , pyyaml
-            , tornado
-            }:
-
-            buildPythonPackage rec {
-              pname = "mkdocs";
-              version = "1.1.2";
-
-              src = fetchPypi {
-                inherit pname version;
-                sha256 = "0fgv5zawpyyv0vd4j5y8m4h058lh9jkwfcm0xy4pg7dr09a1xdph";
-              };
-
-              propagatedBuildInputs = [
-                backports_tempfile
-                click
-                jinja2
-                livereload
-                markdown
-                nltk
-                pyyaml
-                tornado
-
-                packages.lunr
-              ];
-
-              doCheck = false; # circular depdendency
-            };
-
-          pymdown-extensions =
-            { buildPythonPackage, fetchPypi, markdown }:
-
-            buildPythonPackage rec {
-              pname = "pymdown-extensions";
-              version = "8.0.1";
-
-              src = fetchPypi {
-                inherit pname version;
-                sha256 = "07p5xks6qf73nbv0qb7jrspkpmxdyr7dpxv3rnkh9p2b5l2h99wv";
-              };
-
-              propagatedBuildInputs = [
-                markdown
-              ];
-
-              doCheck = false; # they fail?
-            };
-
-          mkdocs-material-extensions =
-            { buildPythonPackage, fetchPypi }:
-
-            buildPythonPackage rec {
-              pname = "mkdocs-material-extensions";
-              version = "1.0.1";
-
-              src = fetchPypi {
-                inherit pname version;
-                sha256 = "13y617sql4hqs376c3dfcb6v7q41km9x7fh52k3f74a2brzzniv9";
-              };
-
-              # circular dependency
-              doCheck = false;
-              postPatch = ''
-                sed -i 's/mkdocs-material>=5.0.0//' requirements/project.txt
-              '';
-            };
-
-          mkdocs-material =
-            { buildPythonPackage, fetchPypi, markdown, pygments }:
-
-            buildPythonPackage rec {
-              pname = "mkdocs-material";
-              version = "6.1.2";
-
-              src = fetchPypi {
-                inherit pname version;
-                sha256 = "0yifc1df94rsaxy72hqnhjkv4c50c30j5kg0yxybkxy07p7kafic";
-              };
-
-              propagatedBuildInputs = [
-                markdown
-                pygments
-
-                packages.mkdocs
-                packages.mkdocs-material-extensions
-                packages.pymdown-extensions
-              ];
-            };
-
           iosevka-web =
             { stdenv, fetchzip }:
 
             stdenv.mkDerivation rec {
               pname = "iosevka-web";
-              version = "3.7.1";
+              version = "15.5.0";
 
               src = fetchzip {
-                url = "https://github.com/be5invis/Iosevka/releases/download/v${version}/pkg-iosevka-${version}.zip";
+                url = "https://github.com/be5invis/Iosevka/releases/download/v15.5.0/webfont-iosevka-15.5.0.zip";
-                sha256 = "0d012aqfnyqlpl4smfa2x2qz2qmbbfxb6jr4awv8gp6r359rc9k1";
+                sha256 = "sha256-o7JHLs/E6oJGx0WxdHczK65Is7SZ9HdMXef/Am29OoA=";
                 stripRoot = false;
               };
 
@@ -152,7 +30,8 @@
 
               installPhase = ''
                 mkdir -p $out
-                cp -r woff woff2 ttf *.css $out
+                sed -e "s/url('ttf\/iosevka-.*.ttf') format('truetype'), //" iosevka.css > $out/iosevka.css
+                cp -r woff2 $out
               '';
             };
 
@@ -166,8 +45,6 @@
 
               buildPhase = ''
                 mkdocs build -d $out
-                mkdir -p $out/nix-support
-                echo "doc wiki $out" >> $out/nix-support/hydra-build-products
               '';
 
               installPhase = ''
@@ -175,9 +52,9 @@
                 ln -s ${packages.iosevka-web} $out/assets/fonts/iosevka
               '';
 
-              nativeBuildInputs = [
+              nativeBuildInputs = with pkgs; [
-                packages.mkdocs
+                mkdocs
-                packages.mkdocs-material
+                python3Packages.mkdocs-material
               ];
             };
         };
@@ -192,13 +69,5 @@
           '');
         };
       };
-
-      # My hydra only has x86_64-linux builders
-      hydraJobs =
-        if builtins.elem system [ "x86_64-linux" ]
-        then {
-          build = packages.wiki;
-        }
-        else { };
     });
 }