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- ;;; REVIEW: Ignore dups in the entire ring, not just the last entry.
- ;;; Reported upstream, see #30466.
- (defun ambrevar/eshell-add-input-to-history (input)
- "Add the string INPUT to the history ring.
- Input is entered into the input history ring, if the value of
- variable `eshell-input-filter' returns non-nil when called on the
- input."
- (require 'subr-x)
- ;; TODO: Report this trick, so that "ls" and "ls " don't both get added to the
- ;; history. Doing this from eshell-expand-input-functions breaks Eshell
- ;; because the input is not expected to be modified.
- (setq input (string-trim-right input))
- (when (funcall eshell-input-filter input)
- (when (and eshell-hist-ignoredups
- (not (ring-empty-p eshell-history-ring)))
- (let ((dup-index (ring-member eshell-history-ring input)))
- (when dup-index
- (ring-remove eshell-history-ring dup-index))))
- (eshell-put-history input))
- (setq eshell-save-history-index eshell-history-index)
- (setq eshell-history-index nil))
- (advice-add 'eshell-add-input-to-history :override 'ambrevar/eshell-add-input-to-history)
- (provide 'patch-eshell)
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