added simple zig

dotnet.nix

@@ -0,0 +1,9 @@
+let
+  # Pinned nixpkgs, deterministic. Last updated: 2/12/21.
+  #pkgs = import (fetchTarball("https://github.com/NixOS/nixpkgs/archive/a58a0b5098f0c2a389ee70eb69422a052982d990.tar.gz")) {};
+  # Rolling updates, not deterministic.
+  pkgs = import (fetchTarball "channel:nixpkgs-unstable") { };
+in pkgs.mkShell {
+  buildInputs = [ pkgs.dotnet-sdk_9 ];
+  shellHook = "";
+}

go.nix

@@ -0,0 +1,8 @@
+with (import <nixpkgs> {});
+mkShell {
+  buildInputs = with pkgs; [
+	go
+	gcc
+];
+  shellHook = "";
+}

nixpress/devenv.lock

@@ -19,10 +19,10 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1733328505,
+        "lastModified": 1747046372,
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
         "type": "github"
       },
       "original": {
@@ -31,10 +31,31 @@
         "type": "github"
       }
     },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747372754,
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "80479b6ec16fefd9c1db3ea13aeb038c60530f46",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
-          "pre-commit-hooks",
+          "git-hooks",
           "nixpkgs"
         ]
       },
@@ -66,32 +87,14 @@
         "type": "github"
       }
     },
-    "pre-commit-hooks": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1746537231,
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "fa466640195d38ec97cf0493d6d6882bc4d14969",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "devenv": "devenv",
+        "git-hooks": "git-hooks",
         "nixpkgs": "nixpkgs",
-        "pre-commit-hooks": "pre-commit-hooks"
+        "pre-commit-hooks": [
+          "git-hooks"
+        ]
       }
     }
   },

rust-nightly.nix

@@ -0,0 +1,13 @@
+let
+  moz_overlay = import (builtins.fetchTarball
+    "https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz");
+  nixpkgs = import <nixpkgs> { overlays = [ moz_overlay ]; };
+in with nixpkgs;
+stdenv.mkDerivation {
+  name = "moz_overlay_shell";
+  buildInputs = [
+    # to use the latest nightly:
+    nixpkgs.latest.rustChannels.nightly.rust
+  ];
+  shellHook = "";
+}

rust.nix

@@ -3,10 +3,15 @@ let
   #pkgs = import (fetchTarball("https://github.com/NixOS/nixpkgs/archive/a58a0b5098f0c2a389ee70eb69422a052982d990.tar.gz")) {};
   # Rolling updates, not deterministic.
   pkgs = import (fetchTarball "channel:nixpkgs-unstable") { };
-in
-  pkgs.mkShell {
-    buildInputs = [pkgs.cargo pkgs.rustc pkgs.zsh pkgs.bacon];
-    shellHook = ''
-      exec zsh
-    '';
+  PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
+in pkgs.mkShell {
+  buildInputs = with pkgs; [
+    cargo
+    rustc
+    zsh
+    bacon
+    pkg-config
+    openssl
+];
+  shellHook = "";
 }

zig.nix

@@ -0,0 +1,7 @@
+with (import <nixpkgs> {});
+mkShell {
+  buildInputs = with pkgs; [
+	zig
+];
+  shellHook = "";
+}