# GNU Guix --- Functional package management for GNU
# Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com>
#
# 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 the `guix lint' command-line utility.
#

guix lint --version

module_dir="t-guix-lint-$$"
mkdir "$module_dir"
trap "rm -rf $module_dir" EXIT


cat > "$module_dir/foo.scm"<<EOF
(define-module (foo)
  #:use-module (guix packages)
  #:use-module (gnu packages base))

(define-public dummy
  (package (inherit hello)
    (name "dummy")
    (version "42")
    (synopsis "dummy package")
    (description "dummy package. Only used for testing purposes.")))
EOF

GUIX_PACKAGE_PATH="$module_dir"
export GUIX_PACKAGE_PATH

grep_warning ()
{
    res=`echo "$1" | grep -E -c "(synopsis|description) should"`
    echo $res
}

# Three issues with the dummy package:
# 1) the synopsis starts with the package name;
# 2) the synopsis starts with a lower-case letter;
# 3) the description has a single space following the end-of-sentence period.

out=`guix lint -c synopsis,description dummy 2>&1`
if [ `grep_warning "$out"` -ne 3 ]
then false; else true; fi

out=`guix lint -c synopsis dummy 2>&1`
if [ `grep_warning "$out"` -ne 2 ]
then false; else true; fi

out=`guix lint -c description dummy 2>&1`
if [ `grep_warning "$out"` -ne 1 ]
then false; else true; fi

out=`guix lint -c description,synopsis dummy 2>&1`
if [ `grep_warning "$out"` -ne 3 ]
then false; else true; fi

if guix lint -c synopsis,invalid-checker dummy 2>&1 | \
   grep -q 'invalid-checker: invalid checker'
then true; else false; fi

# Make sure specifying multiple packages works.
guix lint -c inputs-should-be-native dummy dummy@42 dummy
52fd2ac93d366953adee106b'>packages</a>/<a href='/guix/log/gnu/packages/gawk.scm?id=9ade90ae525484ec52fd2ac93d366953adee106b'>gawk.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/gawk.scm?id=9ade90ae525484ec52fd2ac93d366953adee106b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2015-01-09 23:29:20 +0100'>2015-01-09</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=4eb01e5442aa7bbaa880ae8e72bd5d27434855ef'>build-system/gnu: Patch /usr/bin/file in all 'configure' files.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/build/utils.scm (patch-/usr/bin/file): New procedure.
* guix/build/gnu-build-system.scm (patch-usr-bin-file): Rewrite using
  it.  Patch all the files returned by 'find-files' that are executable.
* gnu/packages/gawk.scm (gawk)[arguments]: Remove use of 'substitute*'
  for 'extension/configure'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2015-01-06 13:31:49 -0500'>2015-01-06</span></td><td><a href='/guix/commit/gnu/packages/gawk.scm?id=cf0a154c4105abf42824007848f4e319ce23f987'>gnu: gawk: Fix target-system check.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gawk.scm (gawk): Fix target-system check.
</span></span></td><td>Mark H Weaver</td></tr>