packages: Raise an exception for invalid 'license' values.
[jackhill/guix/guix.git] / tests / guix-style.sh
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1# GNU Guix --- Functional package management for GNU
2# Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
3#
4# This file is part of GNU Guix.
5#
6# GNU Guix is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or (at
9# your option) any later version.
10#
11# GNU Guix is distributed in the hope that it will be useful, but
12# WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
18
19#
20# Test 'guix style'.
21#
22
23set -e
24
25guix style --version
26
27tmpdir="guix-style-$$"
28trap 'rm -r "$tmpdir"' EXIT
29
30tmpfile="$tmpdir/os.scm"
31mkdir "$tmpdir"
32cat > "$tmpfile" <<EOF
33;;; This is a header with three semicolons.
34;;;
35
36(define-module (foo bar)
37 #:use-module (guix)
38 #:use-module (gnu))
39
40;; One blank line and a page break.
41
42\f
43;; And now, the OS.
44(operating-system
45 (host-name "komputilo")
46 (locale "eo_EO.UTF-8")
47
48 ;; User accounts.
49 (users (cons (user-account
50 (name "alice")
51 (comment "Bob's sister")
52 (group "users")
53
54 ;; Groups fit on one line.
55 (supplementary-groups '("wheel" "audio" "video")))
56 %base-user-accounts))
57
58 ;; The services.
59 (services
60 (cons (service mcron-service-type) %base-services)))
61EOF
62
63cp "$tmpfile" "$tmpfile.bak"
64
65initial_hash="$(guix hash "$tmpfile")"
66
67guix style -f "$tmpfile"
68if ! test "$initial_hash" = "$(guix hash "$tmpfile")"
69then
70 cat "$tmpfile"
71 diff -u "$tmpfile.bak" "$tmpfile"
72 false
73fi
74
75# Introduce random changes and try again.
76sed -i "$tmpfile" -e's/ +/ /g'
77! test "$initial_hash" = "$(guix hash "$tmpfile")"
78
79guix style -f "$tmpfile"
80test "$initial_hash" = "$(guix hash "$tmpfile")"