nix: Add missing deps so --pure works

mmlb · mmlb · commit 2908af59b3cd · 2022-02-24T12:43:01.000-05:00
Signed-off-by: Manuel Mendez &lt;mmendez@equinix.com&gt;
diff --git a/shell.nix b/shell.nix
@@ -31,7 +31,11 @@ mkShell {
   buildInputs = [
     docker-ov
     git
+    gnumake
+    gnused
     linuxkit-ov
+    ncurses
     s3cmd
+    util-linux
   ];
 }
