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gnu: Add compression module.

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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 ...
* gnu/compression.scm: ... this new file.
* gnu/ci.scm: Adapt it.
* local.mk (GNU_SYSTEM_MODULES): Add it.
This commit is contained in:
Mathieu Othacehe 2022-09-12 08:31:36 +02:00
parent a13f5ead02
commit ebe9d660a5
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GPG key ID: 8354763531769CA6
4 changed files with 74 additions and 45 deletions
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46
guix/scripts/pack.scm
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@ -48,6 +48,7 @@
#:use-module (guix scripts build)
#:use-module (guix transformations)
#:use-module ((guix self) #:select (make-config.scm))
#:use-module (gnu compression)
#:use-module (gnu packages)
#:use-module (gnu packages bootstrap)
#:use-module ((gnu packages compression) #:hide (zip))
@ -61,13 +62,7 @@
#: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 @@
%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 @@
"-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