;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Reily Siegel <mail@reilysiegel.com>
;;; Copyright © 2024 Nicolas Graves <ngraves@ngraves.fr>
;;;
;;; 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 home services guix)
  #:use-module (gnu home services)
  #:use-module (guix channels)
  #:use-module (guix gexp)
  #:use-module (ice-9 pretty-print)
  #:use-module (srfi srfi-1)
  #:export (home-channels-service-type))

(define (extend-channel-list initial new)
  (delete-duplicates
   (append initial new)
   (lambda (channel1 channel2)
     (eq? (channel-name channel1) (channel-name channel2)))))

(define (channels-xdg-files channels)
  `(("guix/channels.scm"
     ,(plain-file
       "channels.scm"
       (call-with-output-string
         (lambda (port)
           (pretty-print (cons 'list (map channel->code channels)) port)))))))

(define home-channels-service-type
  (service-type
   (name 'home-channels)
   (default-value %default-channels)
   (compose concatenate)
   (extend extend-channel-list)
   (extensions
    (list (service-extension home-xdg-configuration-files-service-type
                             channels-xdg-files)))
   (description "Manages the per-user Guix channels specification.")))
</option>
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<input class='txt' type='search' size='10' name='q' value=''/>
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</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=74b012310f22836db05cd63d9ac2d88c1d4b9efe'>root</a>/<a href='/guix/log/tests?id=74b012310f22836db05cd63d9ac2d88c1d4b9efe'>tests</a>/<a href='/guix/log/tests/derivations.scm?id=74b012310f22836db05cd63d9ac2d88c1d4b9efe'>derivations.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/derivations.scm?id=74b012310f22836db05cd63d9ac2d88c1d4b9efe&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-09-26 17:36:59 +0200'>2023-09-26</span></td><td><a href='/guix/commit/tests/derivations.scm?id=ba21eeb565fe414b3647173068a0f3eadd174c06'>tests: Assume ‘git’ is always available.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/channels.scm (gpg+git-available?): Check for ‘gpg-command’
only.
Remove all ‘test-skip’ statements.
* tests/derivations.scm: Likewise.
* tests/git-authenticate.scm: Likewise.
* tests/git.scm: Likewise.
* tests/import-git.scm: Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-09-26 17:36:58 +0200'>2023-09-26</span></td><td><a href='/guix/commit/tests/derivations.scm?id=95f21231352b66f92c466cb30f2258291e854f2f'>daemon: Add “git-download” built-in builder.</a><span class='msg-avail'>...<span class='msg-tooltip'>The new builder makes it possible to break cycles that occurs when the
fixed-output derivation for the source of a dependency of ‘git’ would
itself depend on ‘git’.

* guix/scripts/perform-download.scm (perform-git-download): New
procedure.
(perform-download): Move fixed-output derivation check to…
(guix-perform-download): … here.  Invoke ‘perform-download’ or
‘perform-git-download’ depending on what ‘derivation-builder’ returns.
* nix/libstore/builtins.cc (builtins): Add “git-download”.
* tests/derivations.scm ("built-in-builders"): Update.
("'git-download' built-in builder")
("'git-download' built-in builder, invalid hash")
("'git-download' built-in builder, invalid commit")
("'git-download' built-in builder, not found"): New tests.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-01-09 17:40:54 +0100'>2023-01-09</span></td><td><a href='/guix/commit/tests/derivations.scm?id=407175a1d0e29f45639e7f28a531b3981cd20085'>daemon: Improve error message for wrong hash sizes.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.cc (parseHash): Show the hash algorithm name and
expected size in the error message.
* tests/derivations.scm ("fixed-output derivation, invalid hash size"):
New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-01-09 17:40:53 +0100'>2023-01-09</span></td><td><a href='/guix/commit/tests/derivations.scm?id=5d24e57a611b43ff68700379338b899f62d198cc'>derivations: 'read-derivation' correctly handles case with empty hash.</a><span class='msg-avail'>...<span class='msg-tooltip'>Reported by Stephen Paul Weber &lt;singpolyma@singpolyma.net&gt; at
&lt;https://lists.gnu.org/archive/html/guix-devel/2023-01/msg00035.html&gt;.

* guix/derivations.scm (read-derivation)[outputs-&gt;alist]: Treat the
empty hash case as non-fixed-output whether or not the hash algorithm is
the empty string, and preserve the hash algorithm in &lt;derivation-output&gt;.
* tests/derivations.scm ("'download' built-in builder, no fixed-output hash")
("fixed-output-derivation?, no hash", "read-derivation with hash = #f"): New tests.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-22 01:46:55 +0200'>2022-10-22</span></td><td><a href='/guix/commit/tests/derivations.scm?id=a3619079f95213c4f983e69210ed12b38fd31022'>Remove now unnecessary uses of (guix grafts).</a><span class='msg-avail'>...<span class='msg-tooltip'>These modules would use (guix grafts) just to access '%graft?' and
related bindings, which are now in (guix store).

* gnu/ci.scm,
guix/gexp.scm,
guix/lint.scm,
guix/scripts.scm,
guix/scripts/archive.scm,
guix/scripts/build.scm,
guix/scripts/challenge.scm,
guix/scripts/deploy.scm,
guix/scripts/environment.scm,
guix/scripts/home.scm,
guix/scripts/pack.scm,
guix/scripts/package.scm,
guix/scripts/pull.scm,
guix/scripts/size.scm,
guix/scripts/system.scm,
guix/scripts/weather.scm,
tests/builders.scm,
tests/channels.scm,
tests/cpan.scm,
tests/derivations.scm,
tests/gexp.scm,
tests/graph.scm,
tests/guix-daemon.sh,
tests/monads.scm,
tests/pack.scm,
tests/packages.scm,
tests/profiles.scm,
tests/system.scm: Remove #:use-module (guix grafts).
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-03-07 22:49:27 +0100'>2022-03-07</span></td><td><a href='/guix/commit/tests/derivations.scm?id=1cad3476189d2ce84fabe95b69db8fb85a10b67a'>derivations: Coalesce inputs that have the same output path.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://issues.guix.gnu.org/54209&gt;.

* guix/derivations.scm (coalesce-duplicate-inputs): Use the output paths
of DRV as a hash table key.
* tests/derivations.scm ("derivation with duplicate fixed-output
inputs"): Expect a single input for FINAL.
("derivation with equivalent fixed-output inputs"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>