# 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)))
;; Incomplete package definitions in alphabetical order.

(define-public pkg
  (package
    (name "bar")
    (version "2")))

;; The comment below belongs to the foo package.
(define-public pkg
  (package
    (name "bar")
    (version "1")))
;; Incomplete package definitions in alphabetical order.

(define-public pkg
  (package
    (name "foo")
    (version "2")))
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")"

# Swap foo and bar packages.
sed -i "$tmpfile" -e 's/"foo"/"bar"/g'
sed -i "$tmpfile" -e '0,/"bar"/{s//"foo"/}'
test "$initial_hash" != "$(guix hash "$tmpfile")"

guix style -fA "$tmpfile"
test "$initial_hash" = "$(guix hash "$tmpfile")"
ss='left'>Commit message (<a href='/guix/log/gnu/build/chromium-extension.scm?id=dc2df5b86942e70c4d9f24533f6609153e9b2889&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-12-27 17:18:52 +0100'>2023-12-27</span></td><td><a href='/guix/commit/gnu/build/chromium-extension.scm?id=93ac4c20bf4b46b2bb9d0d2b9bec0b728b34de87'>chromium-extension: Compute json at argument evaluation time.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/chromium-extension.scm (make-chromium-extension): Make use of the
make-signing-key procedure inside the argument field, making sure that it is
not evaluated at file-load time.  This would otherwise try to resolve gnutls
when we can't guarantee it's defined because of dependency cycles.

Change-Id: Ia7b13acfbca475c2df073e9a88fc8bb9264dd968
</span></span></td><td>Josselin Poiret</td></tr>