;;; 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 (gnu 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)))
+0100'>2023-09-27</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=47fe9da5d3d5b4b5d2a498a346d867083540242e'>gnu: python-pyotp: Update to 2.9.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-pyotp): Update to 2.9.0.

Signed-off-by: Christopher Baines &lt;mail@cbaines.net&gt;
</span></span></td><td>fanquake</td></tr>
<tr><td><span title='2023-09-22 01:29:21 +0800'>2023-09-22</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=c2e078c602989134ab973183d558edd0202e946d'>gnu: python-libnacl: Update to 2.1.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-libnacl): Update to 2.1.0.
[build-system]: Switch to PYPROJECT-BUILD-SYSTEM.
[arguments]: Adjust hack for locating libsodium.  Add custom check phase.
[native-inputs]: Remove PYTHON-PYHAMCREST.  Add PYTHON-POETRY-CORE.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2023-09-22 01:29:17 +0800'>2023-09-22</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=e592513d394735730d925ee4be6486fc16bb22b1'>gnu: python-certauth: Fix test failure with newer PyOpenSSL.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-certauth)[arguments]: New field.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2023-08-24 12:41:04 +0800'>2023-08-24</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=f5eb5b7cacd388ad60606163b2fe2a4d0f0c2506'>gnu: python-asn1crypto: Respect #:tests?.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-asn1crypto)[#:phases]&lt;check&gt;: Honor
argument #:tests?.
</span></span></td><td>Hilton Chain</td></tr>
<tr><td><span title='2023-08-24 12:39:42 +0800'>2023-08-24</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=c49c43d44c45015dc7ef251a171a48bdba0b8b5a'>gnu: python-asn1crypto: Update to 1.5.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-asn1crypto): Update to 1.5.1.
[description]: Adjust according to lint warning.

Signed-off-by: Hilton Chain &lt;hako@ultrarare.space&gt;
</span></span></td><td>fanquake</td></tr>
<tr><td><span title='2023-08-14 19:37:37 +0300'>2023-08-14</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=1f04e3d02711e07035ca8dfb6e8778d8a03abbfe'>gnu: python-cryptography-rust: Enable tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-cryptography-rust)
[arguments]: Don't skip the tests. Add a custom 'check phase.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-08-14 19:37:37 +0300'>2023-08-14</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=a91628366aee57020bb758cdee2229e58993f4d9'>gnu: python-cryptography: Update to 40.0.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-cryptography): Update to 40.0.2.
(python-cryptography-rust)[cargo-inputs]: Move rust-cc-1 here from
cargo-development-inputs.
[cargo-development-inputs]: Remove field.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-08-14 19:37:37 +0300'>2023-08-14</span></td><td><a href='/guix/commit/gnu/packages/python-crypto.scm?id=a3ba943b6ffb6aed799dcbeebfd044536ded2f02'>gnu: python-cryptography-vectors: Update to 40.0.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-crypto.scm (python-cryptography-vectors): Update
to 40.0.2.
</span></span></td><td>Efraim Flashner</td></tr>