57 lines
1.8 KiB
EmacsLisp
57 lines
1.8 KiB
EmacsLisp
;;; pkgbuild.el --- PKGBUILD utility functions -*- lexical-binding: t; -*-
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;; Copyright (C) 2014 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: convenience
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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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;;
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;;; Code:
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(defun pkgbuild-find-checksums-boundaries ()
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"Look in the current buffer for the start and end of the checksums."
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(save-excursion
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(goto-char (point-min))
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(re-search-forward (rx (or "md5" "sha1" "sha256") "sums"))
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(let ((start (match-beginning 0)))
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(search-forward "(")
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(backward-char)
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(forward-sexp)
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(list start (point)))))
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(defun pkgbuild-get-updated-checksums ()
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"Call `makepkg -g' to get the updated checksums."
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(with-temp-buffer
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(insert (shell-command-to-string "makepkg -g"))
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(apply #'buffer-substring-no-properties
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(pkgbuild-find-checksums-boundaries))))
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;;;###autoload
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(defun pkgbuild-update-checksums ()
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"Find and update the checksums for the current buffer."
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(interactive)
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(let ((updated (pkgbuild-get-updated-checksums)))
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(if updated
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(progn
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(apply #'delete-region (pkgbuild-find-checksums-boundaries))
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(insert updated))
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(error "No new checksums found"))))
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(provide 'pkgbuild)
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;;; pkgbuild.el ends here
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