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python-build-system: Add 'ensure-no-mtimes-pre-1980' phase.

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* guix/build/python-build-system.scm (ensure-no-mtimes-pre-1980):
  New phase.
  (%standard-phases): Add it after 'unpack'.
This commit is contained in:
Mark H Weaver 2015-07-16 01:49:39 -04:00
parent 1084ec08c2
commit 3bacb7a698
1 changed files with 15 additions and 0 deletions
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15
guix/build/python-build-system.scm
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@ -2,6 +2,7 @@
;;; Copyright © 2013, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -119,10 +120,24 @@ (define* (rename-pth-file #:key name inputs outputs #:allow-other-keys)
(rename-file easy-install-pth new-pth))
#t))
(define* (ensure-no-mtimes-pre-1980 #:rest _)
"Ensure that there are no mtimes before 1980-01-02 in the source tree."
;; Rationale: patch-and-repack creates tarballs with timestamps at the POSIX
;; epoch, 1970-01-01 UTC. This causes problems with Python packages,
;; because Python eggs are ZIP files, and the ZIP format does not support
;; timestamps before 1980.
(let ((early-1980 315619200)) ; 1980-01-02 UTC
(ftw "." (lambda (file stat flag)
(unless (<= early-1980 (stat:mtime stat))
(utime file early-1980 early-1980))
#t))
#t))
(define %standard-phases
;; 'configure' and 'build' phases are not needed. Everything is done during
;; 'install'.
(modify-phases gnu:%standard-phases
(add-after 'unpack 'ensure-no-mtimes-pre-1980 ensure-no-mtimes-pre-1980)
(delete 'configure)
(replace 'install install)
(replace 'check check)