Fix Nix code

Can now at least enter dev shell, but build is still broken.

flake.nix

@@ -34,7 +34,6 @@
         hydra = final.callPackage ./package.nix {
           inherit (nixpkgs.lib) fileset;
           rawSrc = self;
-          nix-perl-bindings = final.nixComponents.nix-perl-bindings;
         };
       };
 
@@ -73,21 +72,29 @@
         validate-openapi = hydraJobs.tests.validate-openapi.${system};
       });
 
-      packages = forEachSystem (system: {
-        nix-eval-jobs = nixpkgs.legacyPackages.${system}.callPackage nix-eval-jobs {
-          nix = nix.packages.${system}.nix;
-        };
-        hydra = nixpkgs.legacyPackages.${system}.callPackage ./package.nix {
-          inherit (nixpkgs.lib) fileset;
-          inherit (self.packages.${system}) nix-eval-jobs;
-          rawSrc = self;
+      packages = forEachSystem (system: let
+        nixComponents = {
           inherit (nix.packages.${system})
             nix-util
             nix-store
+            nix-expr
+            nix-fetchers
+            nix-flake
             nix-main
+            nix-cmd
             nix-cli
+            nix-perl-bindings
             ;
-          nix-perl-bindings = nix.hydraJobs.perlBindings.${system};
+        };
+      in {
+        nix-eval-jobs = nixpkgs.legacyPackages.${system}.callPackage nix-eval-jobs {
+          inherit nixComponents;
+        };
+        hydra = nixpkgs.legacyPackages.${system}.callPackage ./package.nix {
+          inherit (nixpkgs.lib) fileset;
+          inherit nixComponents;
+          inherit (self.packages.${system}) nix-eval-jobs;
+          rawSrc = self;
         };
         default = self.packages.${system}.hydra;
       });

package.nix

@@ -8,11 +8,7 @@
 
 , perlPackages
 
-, nix-util
-, nix-store
-, nix-main
-, nix-cli
-, nix-perl-bindings
+, nixComponents
 , git
 
 , makeWrapper
@@ -65,7 +61,7 @@ let
     name = "hydra-perl-deps";
     paths = lib.closePropagation
       ([
-        nix-perl-bindings
+        nixComponents.nix-perl-bindings
         git
       ] ++ (with perlPackages; [
         AuthenSASL
@@ -165,7 +161,7 @@ stdenv.mkDerivation (finalAttrs: {
     nukeReferences
     pkg-config
     mdbook
-    nix-cli
+    nixComponents.nix-cli
     perlDeps
     perl
     unzip
@@ -175,9 +171,9 @@ stdenv.mkDerivation (finalAttrs: {
     libpqxx
     openssl
     libxslt
-    nix-util
-    nix-store
-    nix-main
+    nixComponents.nix-util
+    nixComponents.nix-store
+    nixComponents.nix-main
     perlDeps
     perl
     boost
@@ -204,14 +200,14 @@ stdenv.mkDerivation (finalAttrs: {
     glibcLocales
     libressl.nc
     python3
-    nix-cli
+    nixComponents.nix-cli
   ];
 
   hydraPath = lib.makeBinPath (
     [
       subversion
       openssh
-      nix-cli
+      nixComponents.nix-cli
       coreutils
       findutils
       pixz
@@ -272,7 +268,7 @@ stdenv.mkDerivation (finalAttrs: {
             --prefix PATH ':' $out/bin:$hydraPath \
             --set HYDRA_RELEASE ${version} \
             --set HYDRA_HOME $out/libexec/hydra \
-            --set NIX_RELEASE ${nix-cli.name or "unknown"} \
+            --set NIX_RELEASE ${nixComponents.nix-cli.name or "unknown"} \
             --set NIX_EVAL_JOBS_RELEASE ${nix-eval-jobs.name or "unknown"}
     done
   '';