tweak(core): add an option to disable all user config files

Author: abougouffa

README.md

@@ -125,7 +125,8 @@ You can customize MinEmacs' behavior via some environment variables.
 - `MINEMACS_IGNORE_USER_CONFIG`: space-separated values, used to disables loading
   `~/.minemacs.d/<file>.el` user configuration files. Accepted values for `<file>`
   are: `early-config`, `init-tweaks`, `modules`, `config`, `local/early-config`,
-  `local/init-tweaks`, `local/modules` and `local/config`.
+  `local/init-tweaks`, `local/modules` and `local/config`. Use `all` to disable all
+  user configuration files.
 
 ### Load and hooks order
 MinEmacs loads its features and run hooks in this order:

core/me-vars.el

@@ -39,7 +39,9 @@
 
 (defconst minemacs-ignore-user-config
   (when-let ((ignores (getenv "MINEMACS_IGNORE_USER_CONFIG")))
-    (mapcar #'intern (mapcar #'downcase (split-string ignores))))
+    (if (string= (downcase ignores) "all")
+        '(early-config init-tweaks modules config local/early-config local/init-tweaks local/modules local/config)
+      (mapcar #'intern (mapcar #'downcase (split-string ignores)))))
   "Ignore loading these user configuration files.
 Accepted values are: early-config, init-tweaks, modules, config,
 local/early-config, local/init-tweaks, local/modules and local/config.