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01/01: guix: Compress and decompress xz archives in parallel.
From: |
Efraim Flashner |
Subject: |
01/01: guix: Compress and decompress xz archives in parallel. |
Date: |
Sun, 2 Apr 2017 07:44:48 -0400 (EDT) |
efraim pushed a commit to branch master
in repository guix.
commit 63102406f22412bb922de5549deb89d3594a38c0
Author: Efraim Flashner <address@hidden>
Date: Thu Mar 23 11:47:32 2017 +0200
guix: Compress and decompress xz archives in parallel.
* guix/scripts/pack.scm (%compressors): Add flag '-T0' when calling "xz".
* guix/utils.scm (decompressed-port, compressed-port,
compressed-output-port): Same.
---
guix/scripts/pack.scm | 3 ++-
guix/utils.scm | 7 ++++---
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index 626c592..9e91bc2 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2017 Ludovic Courtès <address@hidden>
+;;; Copyright © 2017 Efraim Flashner <address@hidden>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -59,7 +60,7 @@
(compressor "lzip" "lz"
#~(#+(file-append lzip "/bin/lzip") "-9"))
(compressor "xz" "xz"
- #~(#+(file-append xz "/bin/xz") "-e"))
+ #~(#+(file-append xz "/bin/xz") "-e -T0"))
(compressor "bzip2" "bz2"
#~(#+(file-append bzip2 "/bin/bzip2") "-9"))))
diff --git a/guix/utils.scm b/guix/utils.scm
index bc90686..fb962df 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -5,6 +5,7 @@
;;; Copyright © 2014 Ian Denhardt <address@hidden>
;;; Copyright © 2016 Mathieu Lirzin <address@hidden>
;;; Copyright © 2015 David Thompson <address@hidden>
+;;; Copyright © 2017 Efraim Flashner <address@hidden>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -154,7 +155,7 @@ a symbol such as 'xz."
(match compression
((or #f 'none) (values input '()))
('bzip2 (filtered-port `(,%bzip2 "-dc") input))
- ('xz (filtered-port `(,%xz "-dc") input))
+ ('xz (filtered-port `(,%xz "-dc -T0") input))
('gzip (filtered-port `(,%gzip "-dc") input))
(else (error "unsupported compression scheme" compression))))
@@ -164,7 +165,7 @@ a symbol such as 'xz."
(match compression
((or #f 'none) (values input '()))
('bzip2 (filtered-port `(,%bzip2 "-c") input))
- ('xz (filtered-port `(,%xz "-c") input))
+ ('xz (filtered-port `(,%xz "-c -T0") input))
('gzip (filtered-port `(,%gzip "-c") input))
(else (error "unsupported compression scheme" compression))))
@@ -221,7 +222,7 @@ program--e.g., '(\"--fast\")."
(match compression
((or #f 'none) (values output '()))
('bzip2 (filtered-output-port `(,%bzip2 "-c" ,@options) output))
- ('xz (filtered-output-port `(,%xz "-c" ,@options) output))
+ ('xz (filtered-output-port `(,%xz "-c -T0" ,@options) output))
('gzip (filtered-output-port `(,%gzip "-c" ,@options) output))
(else (error "unsupported compression scheme" compression))))