Remove ssl path and add fancy PATH

From https://cobalt.rocks/posts/nix-gitlab/

hive.nix

@@ -122,8 +122,20 @@ in
                 ENV = "/etc/profile";
                 USER = "root";
                 NIX_REMOTE = "daemon";
-                PATH = "/nix/var/nix/profiles/system/sw/bin:/nix/var/nix/profiles/system/sw/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
-                NIX_SSL_CERT_FILE = "/nix/var/nix/profiles/system/etc/ssl/certs/ca-bundle.crt";
+                # Taken from https://cobalt.rocks/posts/nix-gitlab/
+                PATH =
+                  (pkgs.lib.strings.makeSearchPathOutput "bin" "bin" (
+                    with pkgs;
+                    [
+                      gnugrep
+                      coreutils
+                      nix
+                      openssh
+                      bash
+                      git
+                    ]
+                  ))
+                  + ":/nix/var/nix/profiles/default/bin:/usr/local/bin:/usr/local/sbin:/nix/var/nix/profiles/default/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
               };
 
               tagList = [ "nix" ];