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;;; emacs-guix-ffap.el --- Misc function for Emacs Guix -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Oleg Pykhalov
;; Author: Oleg Pykhalov <go.wigust@gmail.com>
;; Keywords: local
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This package provides additional functionality in addition to Emacs
;; Guix.
;;; Code:
(defcustom guix-package-regexp
(rx (one-or-more (or alphanumeric "-" ".")))
"Regexp matching Guix store path."
:type 'regexp
:group 'guix)
(defcustom guix-package-source-regexp
(concat guix-package-regexp (rx ".tar" (zero-or-more ".gz")))
"Regexp matching Guix package source path."
:type 'regexp
:group 'guix)
(defcustom guix-store-path-regexp
(concat guix-store-directory "/" guix-hash-regexp
"-" guix-package-regexp (rx line-end))
"Regexp matching Guix store path."
:type 'regexp
:group 'guix)
(defcustom guix-store-path-package-source-regexp
(concat guix-store-directory "/" guix-hash-regexp
"-" guix-package-source-regexp (rx line-end))
"Regexp matching Guix store path to package source."
:type 'regexp
:group 'guix)
(defun guix-ffap-store-package-source-path-p (filename)
"If FILENAME matches `guix-store-path-regexp', return it."
(when (string-match-p guix-store-path-package-source-regexp filename)
filename))
(defun guix-ffap-store-path-p (filename)
"If FILENAME matches `guix-store-path-regexp', return it."
(when (string-match-p guix-store-path-regexp filename) filename))
(provide 'emacs-guix-ffap)
;;; emacs-guix-ffap.el ends here
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