;;; 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.")))
'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=b40ba288f139787a447707aff16b8f06f1e05f04'>root</a>/<a href='/guix/log/nix?id=b40ba288f139787a447707aff16b8f06f1e05f04'>nix</a>/<a href='/guix/log/nix/libutil?id=b40ba288f139787a447707aff16b8f06f1e05f04'>libutil</a>/<a href='/guix/log/nix/libutil/archive.cc?id=b40ba288f139787a447707aff16b8f06f1e05f04'>archive.cc</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/nix/libutil/archive.cc?id=b40ba288f139787a447707aff16b8f06f1e05f04&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-12-16 16:28:07 +0100'>2018-12-16</span></td><td><a href='/guix/commit/nix/libutil/archive.cc?id=8327e733966cc4a93dfaadd1a761ca1088078baa'>daemon: Use unbranded phrases in comments and messages.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/build.cc, nix/libstore/globals.cc,
nix/libstore/gc.cc, nix/libstore/local-store.cc,
nix/libstore/optimise-store.cc, nix/libstore/store-api.cc,
nix/libutil/archive.cc, nix/nix-daemon/nix-daemon.cc: Replace "Nix
store" by "store", and "Nix daemon" by "build daemon".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-10-02 23:08:30 +0200'>2018-10-02</span></td><td><a href='/guix/commit/nix/libutil/archive.cc?id=7eca7892014d173ff523417138b90aeff5b7dec1'>daemon: Remove "case hack" for nars.</a><span class='msg-avail'>...<span class='msg-tooltip'>This code has never been of any use in Guix.

* nix/libutil/archive.cc (useCaseHack): Remove.
(parse): Keep only the alternate branch in "if (useCaseHack)".
</span></span></td><td>Ludovic Courtès</td></tr>