Add a mechanism to disable all

zsh/zshrc

@@ -2,6 +2,13 @@
 # Customized configuration for ZSH based on prezto #
 ####################################################
 
+#
+# Exit if asked
+#
+if [[ "${DISABLE_DOTFILES_SYS}" = 1 ]]; then
+    return
+fi
+
 #
 # TMPDIR
 #