# GNU Guix --- Functional package management for GNU
# Copyright © 2022 Ludovic Courtès <ludo@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/>.

#
# Test 'guix style'.
#

set -e

guix style --version

tmpdir="guix-style-$$"
trap 'rm -r "$tmpdir"' EXIT

tmpfile="$tmpdir/os.scm"
mkdir "$tmpdir"
cat > "$tmpfile" <<EOF
;;; This is a header with three semicolons.
;;;

(define-module (foo bar)
  #:use-module (guix)
  #:use-module (gnu))

;; One blank line and a page break.


;; And now, the OS.
(operating-system
  (host-name "komputilo")
  (locale "eo_EO.UTF-8")

  ;; User accounts.
  (users (cons (user-account
                 (name "alice")
                 (comment "Bob's sister")
                 (group "users")

                 ;; Groups fit on one line.
                 (supplementary-groups '("wheel" "audio" "video")))
               %base-user-accounts))

  ;; The services.
  (services
   (cons (service mcron-service-type) %base-services)))
EOF

cp "$tmpfile" "$tmpfile.bak"

initial_hash="$(guix hash "$tmpfile")"

guix style -f "$tmpfile"
if test "$initial_hash" != "$(guix hash "$tmpfile")"
then
    cat "$tmpfile"
    diff -u "$tmpfile.bak" "$tmpfile"
    false
fi

# Introduce random changes and try again.
sed -i "$tmpfile" -e's/ \+/ /g'
test "$initial_hash" != "$(guix hash "$tmpfile")"

guix style -f "$tmpfile"
test "$initial_hash" = "$(guix hash "$tmpfile")"
arch'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=43acd98e4133074598b826f5406b4a3e58ffb3b6'>root</a>/<a href='/guix/log/gnu?id=43acd98e4133074598b826f5406b4a3e58ffb3b6'>gnu</a>/<a href='/guix/log/gnu/packages?id=43acd98e4133074598b826f5406b4a3e58ffb3b6'>packages</a>/<a href='/guix/log/gnu/packages/gdb.scm?id=43acd98e4133074598b826f5406b4a3e58ffb3b6'>gdb.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/gnu/packages/gdb.scm?id=43acd98e4133074598b826f5406b4a3e58ffb3b6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-08-28 18:01:07 +0800'>2023-08-28</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=ceff14b7cd4c4923587ba74dc407d724ac27ead0'>gnu: Add gdb-multiarch.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>
<tr><td><span title='2023-06-17 14:38:32 +0200'>2023-06-17</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=ff690faf66d8f37ee6b679fcb7cf37e369624ee3'>gnu: Use target-hurd?, system-hurd? instead of hurd-target?, hurd-system?.</a><span class='msg-avail'>...</span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2023-05-07 19:29:42 +0300'>2023-05-07</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=f88591857e68fd9df4acbb7d9addc07dc242f417'>gnu: gdb/pinned: Move to gdb-12.1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-04-18 17:51:38 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=dd9b1a1c2551d76b5487839868e402912f1a8d76'>gnu: gdb: Change default to 12.x.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-18 17:51:22 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=6b5c21e043c632e6287a2af7f336036571538da2'>gnu: gdb: Distinguish between the "pinned" and the "default" version.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-18 15:52:02 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=664a222cac862665267f9bc69f1db1ec1a2238d5'>gnu: gdb: Remove Hurd patch.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-18 15:52:01 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=b49fd5daabefe7e89a839b03d8acd90e95c4275f'>gnu: gdb-minimal: Update to 12.x.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-18 15:52:01 +0200'>2023-04-18</span></td><td><a href='/guix/commit/gnu/packages/gdb.scm?id=2842b383ddaa3d6d90e9fafe3dbb1a8a618fc8f9'>gnu: gdb: Use 'cross-mig' when targeting GNU/Hurd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>