Move the compression record to a dedicated module so that it can be used
outside (guix scripts pack) module.
* guix/scripts/pack.scm (<compressor>, %compressors, lookup-compressor): Move
it to ...
* guix/compression.scm: ... this new file.
* Makefile.am (MODULES): Add it.
---
Makefile.am | 1 +
guix/compression.scm | 69 +++++++++++++++++++++++++++++++++++++++++++
guix/scripts/pack.scm | 46 ++---------------------------
3 files changed, 72 insertions(+), 44 deletions(-)
create mode 100644 guix/compression.scm
Toggle diff (167 lines)
diff --git a/Makefile.am b/Makefile.am
index 22dcc43f99..65b2ec4612 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -80,6 +80,7 @@ MODULES = \
guix/base32.scm \
guix/base64.scm \
guix/ci.scm \
+ guix/compression.scm \
guix/cpio.scm \
guix/cpu.scm \
guix/deprecation.scm \
diff --git a/guix/compression.scm b/guix/compression.scm
new file mode 100644
index 0000000000..10ec4a7cda
--- /dev/null
+++ b/guix/compression.scm
@@ -0,0 +1,69 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Mathieu Othacehe <othacehe@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/>.
+
+(define-module (guix compression)
+ #:use-module (guix gexp)
+ #:use-module (guix ui)
+ #:use-module ((gnu packages compression) #:hide (zip))
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-9)
+ #:use-module (ice-9 match)
+ #:export (compressor
+ compressor?
+ compressor-name
+ compressor-extension
+ compressor-command
+ %compressors
+ lookup-compressor))
+
+;; Type of a compression tool.
+(define-record-type <compressor>
+ (compressor name extension command)
+ compressor?
+ (name compressor-name) ;string (e.g., "gzip")
+ (extension compressor-extension) ;string (e.g., ".lz")
+ (command compressor-command)) ;gexp (e.g., #~(list "/gnu/store/…/gzip"
+ ; "-9n" ))
+
+(define %compressors
+ ;; Available compression tools.
+ (list (compressor "gzip" ".gz"
+ #~(list #+(file-append gzip "/bin/gzip") "-9n"))
+ (compressor "lzip" ".lz"
+ #~(list #+(file-append lzip "/bin/lzip") "-9"))
+ (compressor "xz" ".xz"
+ #~(append (list #+(file-append xz "/bin/xz")
+ "-e")
+ (%xz-parallel-args)))
+ (compressor "bzip2" ".bz2"
+ #~(list #+(file-append bzip2 "/bin/bzip2") "-9"))
+ (compressor "zstd" ".zst"
+ ;; The default level 3 compresses better than gzip in a
+ ;; fraction of the time, while the highest level 19
+ ;; (de)compresses more slowly and worse than xz.
+ #~(list #+(file-append zstd "/bin/zstd") "-3"))
+ (compressor "none" "" #f)))
+
+(define (lookup-compressor name)
+ "Return the compressor object called NAME. Error out if it could not be
+found."
+ (or (find (match-lambda
+ (($ <compressor> name*)
+ (string=? name* name)))
+ %compressors)
+ (leave (G_ "~a: compressor not found~%") name)))
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index d3ee69840c..0331ec7b04 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -27,6 +27,7 @@
(define-module (guix scripts pack)
#:use-module (guix scripts)
#:use-module (guix ui)
+ #:use-module (guix compression)
#:use-module (guix gexp)
#:use-module ((guix build utils) #:select (%xz-parallel-args))
#:use-module (guix utils)
@@ -61,13 +62,7 @@ (define-module (guix scripts pack)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-37)
#:use-module (ice-9 match)
- #:export (compressor?
- compressor-name
- compressor-extension
- compressor-command
- %compressors
- lookup-compressor
- self-contained-tarball
+ #:export (self-contained-tarball
debian-archive
docker-image
squashfs-image
@@ -75,34 +70,6 @@ (define-module (guix scripts pack)
%formats
guix-pack))
-;; Type of a compression tool.
-(define-record-type <compressor>
- (compressor name extension command)
- compressor?
- (name compressor-name) ;string (e.g., "gzip")
- (extension compressor-extension) ;string (e.g., ".lz")
- (command compressor-command)) ;gexp (e.g., #~(list "/gnu/store/…/gzip"
- ; "-9n" ))
-
-(define %compressors
- ;; Available compression tools.
- (list (compressor "gzip" ".gz"
- #~(list #+(file-append gzip "/bin/gzip") "-9n"))
- (compressor "lzip" ".lz"
- #~(list #+(file-append lzip "/bin/lzip") "-9"))
- (compressor "xz" ".xz"
- #~(append (list #+(file-append xz "/bin/xz")
- "-e")
- (%xz-parallel-args)))
- (compressor "bzip2" ".bz2"
- #~(list #+(file-append bzip2 "/bin/bzip2") "-9"))
- (compressor "zstd" ".zst"
- ;; The default level 3 compresses better than gzip in a
- ;; fraction of the time, while the highest level 19
- ;; (de)compresses more slowly and worse than xz.
- #~(list #+(file-append zstd "/bin/zstd") "-3"))
- (compressor "none" "" #f)))
-
;; This one is only for use in this module, so don't put it in %compressors.
(define bootstrap-xz
(compressor "bootstrap-xz" ".xz"
@@ -110,15 +77,6 @@ (define bootstrap-xz
"-e")
(%xz-parallel-args))))
-(define (lookup-compressor name)
- "Return the compressor object called NAME. Error out if it could not be
-found."
- (or (find (match-lambda
- (($ <compressor> name*)
- (string=? name* name)))
- %compressors)
- (leave (G_ "~a: compressor not found~%") name)))
-
(define not-config?
;; Select (guix …) and (gnu …) modules, except (guix config).
(match-lambda
--
2.37.2
