emacs: Use notmuch tag --batch for large tag queries

[notmuch] / emacs / notmuch-lib.el

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index 17040ed86bd352343c6ce87296ff8ba2bb4c8752..08a86fd37afa757a39ca03ba29baa7b438b8783f 100644 (file)
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -355,6 +355,14 @@ user-friendly queries."
   "Return a query that matches the message with id ID."
   (concat "id:" (notmuch-escape-boolean-term id)))
 
+(defun notmuch-hex-encode (str)
+  "Hex-encode STR (e.g., as used by batch tagging).
+
+This replaces spaces, percents, and double quotes in STR with
+%NN where NN is the hexadecimal value of the character."
+  (replace-regexp-in-string
+   "[ %\"]" (lambda (match) (format "%%%02x" (aref match 0))) str))
+
 ;;
 
 (defun notmuch-common-do-stash (text)