Include more deps for the dev shell

When we get rid of the make build system, we would be missing things.
Incuding these packages' deps ensure we don't miss things.

packaging/dev-shell.nix

@@ -86,10 +86,11 @@ in {
     ++ lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) (lib.hiPrio pkgs.buildPackages.clang-tools);
 
   buildInputs = attrs.buildInputs or []
-    ++ [
-      pkgs.gtest
-      pkgs.rapidcheck
-    ]
+    ++ pkgs.nixComponents.nix-util.buildInputs
+    ++ pkgs.nixComponents.nix-store.buildInputs
+    ++ pkgs.nixComponents.nix-fetchers.buildInputs
+    ++ pkgs.nixComponents.nix-expr.buildInputs
+    ++ pkgs.nixComponents.nix-store-tests.externalBuildInputs
     ++ lib.optional havePerl pkgs.perl
     ;
 })

src/libstore-tests/package.nix

@@ -38,15 +38,19 @@ mkMesonExecutable (finalAttrs: {
     (fileset.fileFilter (file: file.hasExt "hh") ./.)
   ];
 
-  buildInputs = [
-    nix-store
-    nix-store-c
-    nix-store-test-support
+  # Hack for sake of the dev shell
+  passthru.externalBuildInputs = [
     sqlite
     rapidcheck
     gtest
   ];
 
+  buildInputs = finalAttrs.passthru.externalBuildInputs ++ [
+    nix-store
+    nix-store-c
+    nix-store-test-support
+  ];
+
   preConfigure =
     # "Inline" .version so it's not a symlink, and includes the suffix.
     # Do the meson utils, without modification.