;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2024 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2024 Giacomo Leidi <goodoldpaul@autistici.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.
;;;
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;;; 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 dotfiles)
  #:use-module (gnu home services)
  #:use-module (gnu services)
  #:use-module (gnu services configuration)
  #:autoload   (guix build utils) (find-files)
  #:use-module (guix diagnostics)
  #:use-module (guix gexp)
  #:use-module</td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=6cb091d9aeb30cfede29f698452f98f01107f1d3'>refs</a><a href='/guix/log/gnu/packages/xorg.scm'>log</a><a href='/guix/tree/gnu/packages/xorg.scm?id=6cb091d9aeb30cfede29f698452f98f01107f1d3'>tree</a><a href='/guix/commit/gnu/packages/xorg.scm?id=6cb091d9aeb30cfede29f698452f98f01107f1d3'>commit</a><a class='active' href='/guix/diff/gnu/packages/xorg.scm?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/xorg.scm'>
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<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>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/diff/?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>root</a>/<a href='/guix/diff/gnu?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>gnu</a>/<a href='/guix/diff/gnu/packages?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>packages</a>/<a href='/guix/diff/gnu/packages/xorg.scm?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>xorg.scm</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='6cb091d9aeb30cfede29f698452f98f01107f1d3'/><input type='hidden' name='id2' value='9e17c5aed8b02c7709180d7ecac985a13be50b88'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/guix/diff/?id=6cb091d9aeb30cfede29f698452f98f01107f1d3&amp;id2=9e17c5aed8b02c7709180d7ecac985a13be50b88'>Diffstat</a> (limited to 'gnu/packages/xorg.scm')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
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? (eq? (home-dotfiles-configuration-layout config) 'stow))
  (define excluded
    (home-dotfiles-configuration-excluded config))
  (define exclusion-rx
    (make-regexp (string-append "^.*(" (string-join excluded "|") ")$")))

  (define* (directory-contents directory #:key (packages #f))
    (define (filter-files directory)
      (find-files directory
                  (lambda (file stat)
                    (not (regexp-exec exclusion-rx
                                      (basename file))))))
    (if (and stow? packages (maybe-value-set? packages))
        (append-map filter-files
                    (map (lambda (pkg)
                           (string-append directory "/" pkg))
                         packages))
        (filter-files directory)))

  (define (resolve directory)
    ;; Resolve DIRECTORY relative to the 'source-directory' field of CONFIG.
    (if (string-prefix? "/" directory)
        directory
        (in-vicinity (home-dotfiles-configuration-source-directory config)
                     directory)))

  (append-map (lambda (directory)
                (let* ((directory (resolve directory))
                       (packages
                        (home-dotfiles-configuration-packages config))
                       (contents
                        (directory-contents directory
                                            #:packages packages))
                       (strip
                        (if stow? strip-stow-dotfile strip-plain-dotfile)))
                  (import-dotfiles directory contents strip)))
              (home-dotfiles-configuration-directories config)))

(define-public home-dotfiles-service-type
  (service-type (name 'home-dotfiles)
                (extensions
                 (list (service-extension home-files-service-type
                                          (lambda (config)
                                            (when config
                                              (home-dotfiles-configuration->files config))))))
                (default-value (home-dotfiles-configuration))
                (description "Files that will be put in the user's home directory
following GNU Stow's algorithm, and further processed during activation.")))