emacs: Make the queries used in the all-tags section configurable

[notmuch] / emacs / notmuch-lib.el

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index cc80fb29ee24a5f6d59b77e1a3632719b67ae726..d5ca0f404ff5de3d529c946c0e05e0927186a7f4 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -120,6 +120,15 @@ within the current window."
       (or (memq prop buffer-invisibility-spec)
          (assq prop buffer-invisibility-spec)))))
 
+(defun notmuch-remove-if-not (predicate list)
+  "Return a copy of LIST with all items not satisfying PREDICATE removed."
+  (let (out)
+    (while list
+      (when (funcall predicate (car list))
+        (push (car list) out))
+      (setq list (cdr list)))
+    (nreverse out)))
+
 ; This lets us avoid compiling these replacement functions when emacs
 ; is sufficiently new enough to supply them alone. We do the macro
 ; treatment rather than just wrapping our defun calls in a when form