.config/nixpkgs/helpers: Add experimental minimal mkShell

1 files changed, 31 insertions, 0 deletions

diff --git a/.config/nixpkgs/helpers/minimal-mkShell.nix b/.config/nixpkgs/helpers/minimal-mkShell.nix
new file mode 100644
index 0000000..609c179
--- /dev/null
+++ b/.config/nixpkgs/helpers/minimal-mkShell.nix
@@ -0,0 +1,31 @@
+### Derived from https://fzakaria.com/2021/08/02/a-minimal-nix-shell.html
+### Usage Example:
+
+# let
+#   pkgs = import <nixpkgs> { };
+#   minimal = import (builtins.fetchurl {
+#     url = "https://raw.githubusercontent.com/tdro/dotfiles/master/.config/nixpkgs/helpers/minimal-mkShell.nix";
+#     sha256 = pkgs.lib.fakeSha256;
+#   });
+# in minimal.mkShell {
+#   name = "minimal-shell";
+#   buildInputs = [ ];
+#   shellHook = "";
+# }
+
+rec {
+  pkgs = import (builtins.fetchTarball {
+    url = "https://releases.nixos.org/nixos/21.05/nixos-21.05.1510.a165aeceda9/nixexprs.tar.xz";
+    sha256 = "124s05b0xk97arw0vvq8b4wcvsw6024dfdzwcx9qjxf3a2zszmam";
+  }) { };
+
+  stdenv = pkgs.stdenvNoCC.override {
+    cc = null;
+    preHook = "";
+    allowedRequisites = null;
+    initialPath = [ pkgs.busybox ];
+    extraNativeBuildInputs = [ ];
+  };
+
+  mkShell = pkgs.mkShell.override { inherit stdenv; };
+}