"*Alist of (SERVER-REGEXP ACCT PASSWD).
Login details for claiming server admin rights.")
+(defun mdw-remprop-nondestructive (indic plist)
+ "Return a plist like PLIST, only without the first entry for INDIC.
+The PLIST is not itself modified."
+ (if (getf plist indic)
+ (let* ((head (cons nil nil))
+ (tail head))
+ (while (and plist (not (eq (car plist) indic)))
+ (let* ((i (pop plist)) (v (pop plist))
+ (vv (cons v nil)) (ii (cons i vv)))
+ (rplacd tail ii)
+ (setq tail vv)))
+ (rplacd tail (cddr plist))
+ (cdr head))
+ plist))
+
+(defmacro* mdw-pushnew-replace
+ (item place &rest keys &key (key '#'identity) &allow-other-keys)
+ "Add ITEM to the list PLACE, replacing any existing matching item.
+Specifically, any item in the list satisfying the test are removed
+\(nondestructively), and then the new ITEM is added to the front.
+
+Evaluation order for the keywords is a bit screwy: don't rely on it."
+ ;; `cl-setf-do-modify' returns a list (LETS STORE FETCH).
+ (let ((setf-things (cl-setf-do-modify place (cons 'list keys)))
+ (keyfn (gensym "key"))
+ (itemvar (gensym "item")))
+ `(let ((,keyfn ,key)
+ (,itemvar ,item)
+ ,@(car setf-things))
+ ,(cl-setf-do-store (cadr setf-things)
+ `(cons ,itemvar
+ (remove* (funcall ,keyfn ,itemvar)
+ ,(caddr setf-things)
+ :key ,keyfn
+ ,@(mdw-remprop-nondestructive
+ :key keys)))))))
+
(defun mdw-define-bot-greeting (server bot greeting)
"Define a new bot greeting."
- (setq mdw-erc-auto-greet-bots-alist
- (cons (list server bot greeting)
- (remove* server mdw-erc-auto-greet-bots-alist
- :test #'string= :key #'car))))
+ (mdw-pushnew-replace (list server bot greeting)
+ mdw-erc-auto-greet-bots-alist
+ :test #'string= :key #'car))
(defun mdw-add-ircop-credentials (server acct passwd)
"Define a new set of `ircop' credentials."
- (setq mdw-erc-ircop-alist
- (cons (list server acct passwd)
- (remove* server mdw-erc-ircop-alist
- :test #'string= :key #'car)))))
+ (mdw-pushnew-replace (list server acct passwd)
+ mdw-erc-ircop-alist
+ :test #'string= :key #'car))
(load "~/.erc-auth.el")
(defun mdw-assoc-regexp (regexp alist)