#!/bin/sh
#
# Does the file contain any of the code constructs deemed silly?
#
# Copyright (C) 2013, 2014-2015  Codethink Limited
#
# This program 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; version 2 of the License.
#
# This program 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/>.

errors=0

for x; do
    case "$x" in
        morphlib/licensecheck.pl) ;;
        *)
            if tr -cd '\t' < "$x" | grep . > /dev/null
            then
                echo "ERROR: $x contains TAB characters" 1>&2
                grep -n -F "$(printf "\t")" "$x" 1>&2
                errors=1
            fi
            ;;
    esac

    case "$x" in
        # Excluding yarn files since it's not possible to split up the
        # IMPLEMENTS lines of them
        *.yarn) ;;
        morphlib/licensecheck.pl) ;;
        *)
            if awk 'length($0) > 79' "$x" | grep . > /dev/null
            then
                echo "ERROR: $x has lines longer than 79 chars" 1>&2
                awk 'length($0) > 79 { print NR, $0 }' "$x" 1>&2
                errors=1
            fi
            ;;
    esac

    case "$x" in
        *.py)
            if head -1 "$x" | grep '^#!' > /dev/null
            then
                echo "ERROR: $x has a hashbang" 1>&2
                errors=1
            fi
            if [ -x "$x" ]; then
                echo "ERROR: $x is executable" 1>&2
                errors=1
            fi
            if grep except: "$x"
            then
                echo "ERROR: $x has a bare except:" 1>&2
                errors=1
            fi
            ;;
    esac
done
exit "$errors"