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;;; guix.scm --- Emacs interface to Redshift
;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>
;; This file is part of Emacs-Redshift.
;; Emacs-Redshift 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.
;;
;; Emacs-Redshift 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 Emacs-Redshift.
;; If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file contains Guix package for development version of
;; Emacs-redshift. To build or install, run:
;;
;; guix build --file=guix.scm
;; guix package --install-from-file=guix.scm
;;; Code:
(use-modules ((guix licenses) #:prefix license:)
(guix build utils)
(guix build-system emacs)
(guix gexp)
(guix git-download)
(guix packages)
(ice-9 popen)
(ice-9 rdelim))
(define %source-dir (dirname (current-filename)))
(define (git-output . args)
"Execute 'git ARGS ...' command and return its output without trailing
newspace."
(with-directory-excursion %source-dir
(let* ((port (apply open-pipe* OPEN_READ "git" args))
(output (read-string port)))
(close-port port)
(string-trim-right output #\newline))))
(define (current-commit)
(git-output "log" "-n" "1" "--pretty=format:%H"))
(define emacs-redshift
(let ((commit (current-commit)))
(package
(name "emacs-redshift")
(version (string-append "0.0.1" "-" (string-take commit 7)))
(source (local-file %source-dir
#:recursive? #t
#:select? (git-predicate %source-dir)))
(build-system emacs-build-system)
(home-page "https://github.com/wigust/emacs-redshift")
(synopsis "Emacs interface to Redshift")
(description
"This package provides an Emacs interface to Redshift")
(license license:gpl3+))))
emacs-redshift
;;; guix.scm ends here
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