feat: static builds using nix, including cross

nix/devshell.nix

@@ -1,7 +1,6 @@
-{
+{ inputs, ... }: {
   perSystem =
     {
-      craneLib,
       self',
       lib,
       pkgs,
@@ -9,34 +8,36 @@
     }:
     {
       # basic nix shell containing all things necessary to build continuwuity in all flavors manually (on x86_64-linux)
-      devShells.default = craneLib.devShell {
-        packages = [
-          self'.packages.rocksdb
-          pkgs.nodejs
-          pkgs.pkg-config
-        ]
-        ++ lib.optionals pkgs.stdenv.isLinux [
-          pkgs.liburing
-          pkgs.rust-jemalloc-sys-unprefixed
-        ];
-
-        env = {
-          LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.llvmPackages.libclang.lib ];
-          LD_LIBRARY_PATH = lib.makeLibraryPath (
-            [
-              pkgs.stdenv.cc.cc.lib
+      devShells.default =
+        (inputs.crane.mkLib pkgs).overrideToolchain (pkgs: self'.packages.stable-toolchain).devShell
+          {
+            packages = [
+              self'.packages.rocksdb
+              pkgs.nodejs
+              pkgs.pkg-config
             ]
             ++ lib.optionals pkgs.stdenv.isLinux [
               pkgs.liburing
-              pkgs.jemalloc
-            ]
-          );
-        }
-        // lib.optionalAttrs pkgs.stdenv.isLinux {
-          PKG_CONFIG_PATH = lib.makeSearchPath "lib/pkgconfig" [
-            pkgs.liburing.dev
-          ];
-        };
-      };
+              pkgs.rust-jemalloc-sys-unprefixed
+            ];
+
+            env = {
+              LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.llvmPackages.libclang.lib ];
+              LD_LIBRARY_PATH = lib.makeLibraryPath (
+                [
+                  pkgs.stdenv.cc.cc.lib
+                ]
+                ++ lib.optionals pkgs.stdenv.isLinux [
+                  pkgs.liburing
+                  pkgs.jemalloc
+                ]
+              );
+            }
+            // lib.optionalAttrs pkgs.stdenv.isLinux {
+              PKG_CONFIG_PATH = lib.makeSearchPath "lib/pkgconfig" [
+                pkgs.liburing.dev
+              ];
+            };
+          };
     };
 }