# 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")"
r'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/build-emacs-utils.scm?id=dbedf8dfdc3cfc47c84f9479a06dc23cd00f44d0'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2022-07-13 10:49:40 -0400'>2022-07-13</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=dcf133587ac7d73ba306a314e1a496a7efb9960b'>tests: build-emacs-utils: Allow test to pass on Emacs 27 too.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* tests/build-emacs-utils.scm
("emacs-batch-script: raise &amp;emacs-batch-error on failure"): More loosely
match expected error string, which differs between Emacs 27 and Emacs 28.


</td></tr>
<tr class='logheader'><td><span title='2022-06-17 23:39:32 +0200'>2022-06-17</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=c3afbd05bf541b31b122e6093ff10eabf6a47926'>guix: emacs-utils: Add emacs-header-parse.</a></td><td>Fredrik Salomonsson</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* guix/build/emacs-utils.scm (emacs-header-parse): New procedure.

* tests/build-emacs-utils.scm ("emacs-header-parse: fetch version",
  "emacs-header-parse: fetch keywords", "emacs-header-parse: fetch
  nonexistent author"): New tests.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-06-17 23:39:31 +0200'>2022-06-17</span></td><td class='logsubject'><a href='/guix/commit/tests/build-emacs-utils.scm?id=f8275916fc6fcb3dd9bd8ef7dc4ddce2dca98c7d'>guix: emacs-utils: Add emacs-batch-script.</a></td><td>Fredrik Salomonsson</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* guix/build/emacs-utils.scm (emacs-batch-script): New procedure.

* tests/build-emacs-utils.scm: New file.

* Makefile.am (TESTS): Add `tests/build-emacs-utils.scm'.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>