gnu: emacs-mbsync: Use GIT-FILE-NAME. - guix

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author	Tobias Geerinckx-Rice <me@tobias.gr>	2019-04-10 20:44:21 +0200
committer	Tobias Geerinckx-Rice <me@tobias.gr>	2019-04-10 20:54:17 +0200
commit	81b1bd48cf9873ebab8e573d97886bf1071d1a18 (patch)
tree	441aabaaf4691cee72662bf193d1872dd31ddb04 /gnu/packages/rails.scm
parent	32a804e25022ea7a60f3796265347e615b9446ea (diff)
download	guix-81b1bd48cf9873ebab8e573d97886bf1071d1a18.tar.gz guix-81b1bd48cf9873ebab8e573d97886bf1071d1a18.zip

gnu: emacs-mbsync: Use GIT-FILE-NAME.

* gnu/packages/emacs-xyz.scm (emacs-mbsync)[source]: Use GIT-FILE-NAME.

Diffstat (limited to 'gnu/packages/rails.scm')

0 files changed, 0 insertions, 0 deletions

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2016, 2017, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(use-modules (ice-9 format)
             (ice-9 match)
             (ice-9 threads)
             (srfi srfi-1)
             (guix build compile)
             (guix build utils))

(define host (getenv "host"))
(define srcdir (getenv "srcdir"))

(define (relative-file file)
  (if (string-prefix? (string-append srcdir "/") file)
      (string-drop file (+ 1 (string-length srcdir)))
      file))

(define (file-mtime<? f1 f2)
  (< (stat:mtime (stat f1))
     (stat:mtime (stat f2))))

(define (scm->go file)
  (let* ((relative (relative-file file))
         (without-extension (string-drop-right relative 4)))
    (string-append without-extension ".go")))

(define (file-needs-compilation? file)
  (let ((go (scm->go file)))
    (or (not (file-exists? go))
        (file-mtime<? go file))))

(define* (parallel-job-count #:optional (flags (getenv "MAKEFLAGS")))
  "Return the number of parallel jobs as determined by FLAGS, the flags passed
to 'make'."
  (match flags
    (#f (current-processor-count))
    (flags
     (let ((initial-flags (string-tokenize flags)))
       (let loop ((flags initial-flags))
         (match flags
           (()
            ;; Note: GNU make prior to version 4.2 would hide "-j" flags from
            ;; $MAKEFLAGS.  Thus, check for a "--jobserver" flag here and
            ;; assume we're using all cores if specified.
            (if (any (lambda (flag)
                       (string-prefix? "--jobserver" flag))
                     initial-flags)
                (current-processor-count)         ;GNU make < 4.2
                1))                               ;sequential make
           (("-j" (= string->number count) _ ...)
            (if (integer? count)
                count
                (current-processor-count)))
           ((head tail ...)
            (if (string-prefix? "-j" head)
                (match (string-drop head 2)
                  (""
                   (current-processor-count))
                  ((= string->number count)
                   (if (integer? count)
                       count
                       (current-processor-count))))
                (loop tail)))))))))

(define (parallel-job-count*)
  ;; XXX: Work around memory requirements not sustainable on i686 above '-j4'
  ;; or so: <https://bugs.gnu.org/40522>.
  (let ((count (parallel-job-count)))
    (if (string-prefix? "i686" %host-type)
        (min count 4)
        count)))

(define (% completed total)
  "Return the completion percentage of COMPLETED over TOTAL as an integer."
  (inexact->exact (round (* 100. (/ completed total)))))

;; Install a SIGINT handler to give unwind handlers in 'compile-file' an
;; opportunity to run upon SIGINT and to remove temporary output files.
(sigaction SIGINT
  (lambda args
    (exit 1)))

(match (command-line)
  ((_ . files)
   (catch #t
     (lambda ()
       (compile-files srcdir (getcwd)
                      (filter file-needs-compilation? files)
                      #:workers (parallel-job-count*)
                      #:host host
                      #:report-load (lambda (file total completed)
                                      (when file
                                        (format #t "[~3d%] LOAD     ~a~%"
                                                (% (+ 1 completed) (* 2 total))
                                                file)
                                        (force-output)))
                      #:report-compilation (lambda (file total completed)
                                             (when file
                                               (format #t "[~3d%] GUILEC   ~a~%"
                                                       (% (+ total completed 1)
                                                          (* 2 total))
                                                       (scm->go file))
                                               (force-output)))))
     (lambda _
       (primitive-exit 1))
     (lambda args
       ;; Try to report the error in an intelligible way.
       (let* ((stack   (make-stack #t))
              (frame   (if (> (stack-length stack) 1)
                           (stack-ref stack 1)    ;skip the 'throw' frame
                           (stack-ref stack 0)))
              (ui      (false-if-exception
                        (resolve-module '(guix ui))))
              (report  (and ui
                            (false-if-exception
                             (module-ref ui 'report-load-error)))))
         (if report
             ;; In Guile <= 2.2.5, 'current-load-port' was not exported.
             (let ((load-port ((module-ref (resolve-module '(ice-9 ports))
                                           'current-load-port))))
               (report (or (and=> load-port port-filename) "?.scm")
                       args frame))
             (begin
               (print-exception (current-error-port) frame
                                (car args) (cdr args))
               (display-backtrace stack (current-error-port)))))))))


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