#! /bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) by the Spot authors, see the AUTHORS file for details.
#
# This file is part of Spot, a model checking library.
#
# Spot 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.
#
# Spot 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 this program.  If not, see <http://www.gnu.org/licenses/>.

set +x

exit_status=0

for binary in "$top_builddir"/bin/*
do
    test -f "$binary" || continue
    test -x "$binary" || continue
    case $binary in
        *.py) continue
    esac
    binary=${binary##*/}

    # All binaries should have a man page
    manpage=
    # Man pages are built in builddir, but as we distribute
    # them they may also be in srcdir.
    for man in "$top_srcdir"/bin/man/$binary.* \
               "$top_builddir"/bin/man/$binary.*; do
        case $man in
            *.[0-9]) manpage=${man##*/};;
        esac
    done
    if test -z $manpage; then
        echo "bin/$binary has no man page"
        exit_status=2
    else
        if ! grep -q "man/${manpage}.html" $top_srcdir/doc/org/tools.org; then
            echo "bin/man/$manpage is not listed in doc/org/tools.org"
            exit_status=2
        fi
        if ! grep -q "$manpage" $top_srcdir/bin/man/Makefile.am; then
            echo "bin/man/$manpage is not listed in man/Makefile.am"
            exit_status=2
        fi
    fi

    case $binary in
        spot);;
        *)
            if ! grep -q "BR $binary " $top_srcdir/bin/man/spot.x; then
                echo "bin/$binary is not listed in bin/man/spot.x"
                exit_status=2
            fi
            ;;
    esac
    case $binary in
        spot);;
        spot-x);;
        *)
            if ! grep -q "\"$binary\"" $top_srcdir/bin/spot.cc; then
                echo "bin/$binary is not listed in bin/spot.cc"
                exit_status=2
            fi
            ;;
    esac

    # All man pages
    case $manpage in
        *.1)
            if ! test -f $top_srcdir/doc/org/$binary.org; then
                echo "bin/$binary has no doc/org/$binary.org page"
                exit_status=2
            else
                if ! grep -q "${binary}.org" $top_srcdir/doc/org/tools.org; then
                    echo "${binary}.org is not listed in doc/org/tools.org page"
                    exit_status=2
                fi
                if ! grep -q "${binary}.org" $top_srcdir/doc/Makefile.am; then
                    echo "${binary}.org does not occur in doc/Makefile.am"
                    exit_status=2
                fi
            fi
            if ! grep -q "{$binary" $top_srcdir/doc/org/arch.tex; then
                echo "$binary does not occur in doc/org/arch.tex"
                exit_status=2
            fi
    esac

    # Check --help text.  Set a high rmargin to workaround some
    # bug in argp where an extra line it sometimes added if the end
    # of the document string fall right into the rmargin.
    ARGP_HELP_FMT=rmargin=10000 \
    $top_builddir/bin/$binary --help > help-$binary.tmp
    if ! $PERL -ne '/\n\s*\n(\s*-.*\n)/ && print("$1") && exit(1)' \
            -0777 help-$binary.tmp > help-err
    then
        echo "bin/$binary --help has options after blank line;" \
             "missing section header?"
        cat help-err
    fi
    rm -f help-$binary.tmp help-err

done

grep '^.BR [a-z0-9-]* ([0-9])' "$top_srcdir"/bin/man/spot.x |
    while read br tool num; do
        if ! test -f $top_builddir/bin/$tool; then
            echo "bin/man/spot.x mentions unexisting tool $tool"
            exit_status=2
        fi
    done

exit $exit_status