56 lines
1.8 KiB
EmacsLisp
56 lines
1.8 KiB
EmacsLisp
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;;; oni-eshell-prompt.el --- Oni's eshell prompt functions -*- lexical-binding: t; -*-
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;; Copyright (C) 2015 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; These are the functions I use to provide my eshell prompt.
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;; You can use it by adding `oni-eshell-set-prompt' to the
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;; `eshell-first-time-mode-hook'.
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;;; Code:
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(require 'em-dirs)
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(require 'em-prompt)
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(defvar oni:eshell-prompt-regexp "^[~/].* > "
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"A regular expression that matches the prompt.")
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(defun oni:shorten-dir (dir)
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"Shorten a directory, (almost) like fish does it."
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(while (string-match "\\(\\.?[^./]\\)[^/]+/" dir)
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(setq dir (replace-match "\\1/" nil nil dir)))
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dir)
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(defun oni:eshell-prompt ()
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"Show a pretty shell prompt."
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(concat (if (not (looking-back "\n" nil)) "\n")
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(oni:shorten-dir (abbreviate-file-name (eshell/pwd)))
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" > "))
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;;;###autoload
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(defun oni-eshell-set-prompt ()
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"Prepare eshell for using the prompt."
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(setq eshell-prompt-function #'oni:eshell-prompt
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eshell-prompt-regexp oni:eshell-prompt-regexp))
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(provide 'oni-eshell-prompt)
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;;; oni-eshell-prompt.el ends here
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