4 files changed, 20 insertions, 4 deletions
diff --git a/nixEnv/shells/shell-dmd-verNix.nix b/nixEnv/shells/shell-dmd-verNix.nix
index 7f16efe..cac08f4 100644..100755
--- a/nixEnv/shells/shell-dmd-verNix.nix
+++ b/nixEnv/shells/shell-dmd-verNix.nix
@@ -1,3 +1,4 @@
+#!/usr/bin/env -S nix-shell
 { pkgs ? import <nixpkgs> {} }:
 pkgs.mkShell {
   buildInputs = with pkgs; [
diff --git a/nixEnv/shells/shell-dmd-verUser.nix b/nixEnv/shells/shell-dmd-verUser.nix
index 334aece..4e40c0b 100644..100755
--- a/nixEnv/shells/shell-dmd-verUser.nix
+++ b/nixEnv/shells/shell-dmd-verUser.nix
@@ -1,3 +1,4 @@
+#!/usr/bin/env -S nix-shell
 { pkgs ? import <nixpkgs>
   { overlays = [ ]; }
 }:
diff --git a/nixEnv/shells/shell-ldc-verNix.nix b/nixEnv/shells/shell-ldc-verNix.nix
index 0a6aa9a..748f553 100644..100755
--- a/nixEnv/shells/shell-ldc-verNix.nix
+++ b/nixEnv/shells/shell-ldc-verNix.nix
@@ -1,5 +1,12 @@
+#!/usr/bin/env -S nix-shell
 { pkgs ? import <nixpkgs> {} }:
 pkgs.mkShell {
-  buildInputs = with pkgs;
-  [ (import ./packages-ldc.nix { inherit pkgs; }) ];
+  buildInputs = with pkgs; [
+    (import ./packages-ldc.nix { inherit pkgs; })
+  ];
+  shellHook = ''
+    # nix-build
+    ## nix-build -I nixpkgs=<provide local nix path>
+    ## nix-build -I nixpkgs=/nixpkgs-ra/nixpkgs
+  '';
 }
diff --git a/nixEnv/shells/shell-ldc-verUser.nix b/nixEnv/shells/shell-ldc-verUser.nix
index 1c9c092..d7f3267 100644..100755
--- a/nixEnv/shells/shell-ldc-verUser.nix
+++ b/nixEnv/shells/shell-ldc-verUser.nix
@@ -1,7 +1,14 @@
+#!/usr/bin/env -S nix-shell
 { pkgs ? import <nixpkgs> {
   overlays = [ (import ../overlays/ldcVersion.nix) ];
 } }:
 pkgs.mkShell {
-  buildInputs = with pkgs;
-  [ (import ./packages-ldc.nix { inherit pkgs; }) ];
+  buildInputs = with pkgs; [
+    (import ./packages-ldc.nix { inherit pkgs; })
+  ];
+  shellHook = ''
+    # nix-build
+    ## nix-build -I nixpkgs=<provide local nix path>
+    ## nix-build -I nixpkgs=/nixpkgs-ra/nixpkgs
+  '';
 }