#!/usr/bin/sh
#----------------------------------------------------------------------------
# /usr/bin/rpmbuild -  wrapper to call rpmbuild (in.rpmbuild)
#
# Creation   :  2013-03-14  holbru
# Last update:  $Id$
#
# Copyright (c) 2015-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

#exec 2>/tmp/rpmbuild-trace$$.log
#set -x

# ---------------------------------------------------------------------------
# search in $pkgconfig
# ---------------------------------------------------------------------------
search_pkgconfig()
{
    __pack=$( echo ${_pack} | sed 's/pkgconfig(//; s/)//' )

    if ! pkg-config --exists ${__pack}
    then
         write_printout
    fi
}

# ---------------------------------------------------------------------------
# search for perl
# ---------------------------------------------------------------------------
search_perl()
{
    __pack=$( echo ${_pack} | sed 's/perl(//; s/)//' )

    if perl -e "use ${__pack};" 2>&1 | grep -q "Can't locate"
    then
        write_printout
    fi
}

# ---------------------------------------------------------------------------
# search for python
# ---------------------------------------------------------------------------
search_python()
{
    if echo "${_pack}" | grep -q 'python_module'
    then
        py_pack=$(echo ${_pack} | cut -d ' ' -f2 | sed 's/}//; s/devel/dev/' | tr [:upper:] [:lower:])

        __pack=python${py_inst}-${py_pack}
        installed=$(eisman check ${__pack})
        if [ "${installed}" != "installed" ]
        then
            __pack=python3-${py_pack}
            installed=$(eisman check ${__pack})
            if [ "${installed}" != "installed" ]
            then
                write_printout
            fi
        fi
    elif  echo "${_pack}" | grep -q 'python3-'
    then
        py_pack=$(echo ${_pack} | cut -d '-' -f2- | cut -d ' ' -f1 | sed 's/}//; s/devel/dev/' | tr [:upper:] [:lower:])

        __pack=python${py_inst}-${py_pack}
        installed=$(eisman check ${__pack})
        if [ "${installed}" != "installed" ]
        then
            __pack=python3-${py_pack}
            installed=$(eisman check ${__pack})
            if [ "${installed}" != "installed" ]
            then
                write_printout
            fi
        fi
    fi
}

# ---------------------------------------------------------------------------
# search for camke modules
# ---------------------------------------------------------------------------
search_cmake()
{
    __pack=$( echo ${_pack} | sed 's/cmake(//; s/)//' )

    if ! ls -d /usr/lib${lib64}/cmake/${__pack} >/dev/null 2>&1
    then
        if ! ls -d /usr/share/cmake/${__pack} >/dev/null 2>&1
        then
            write_printout
        fi
    fi
}

# ---------------------------------------------------------------------------
# search for flavor
# ---------------------------------------------------------------------------
search_flavor()
{
    flavor=$(grep -E 'define +flavor' ${_file} | cut -d' ' -f3)
    
    lua_pack=$(echo ${_pack} | cut -d'-' -f2 | sed 's/devel/dev/')

    __pack=${flavor}-${lua_pack}
    if ! grep -q -R "${__pack}$" /usr/share/rpm/provides/
    then
        _pack=${__pack}
        search_package
    fi
}

# ---------------------------------------------------------------------------
# search in $packages
# ---------------------------------------------------------------------------
search_package()
{
    installed=$(eisman check "$(echo "${_pack}" | tr [:upper:] [:lower:])")
    if [ "${installed}" != "installed" ]
    then
        search_libpackage
    fi
}

# ---------------------------------------------------------------------------
# search also in lib$packages
# ---------------------------------------------------------------------------
search_libpackage()
{
    installed=$(eisman check "lib${_pack}")
    if [ "${installed}" != "installed" ]
    then
        search_executable
    fi
}

# ---------------------------------------------------------------------------
# search for $executable
# ---------------------------------------------------------------------------
search_executable()
{
    __pack=$( which ${_pack}  2>/dev/null )
    if [ -z "${__pack}" ]
    then
        write_printout
    fi
}

# ---------------------------------------------------------------------------
# write printout
# ---------------------------------------------------------------------------
write_printout()
{
    echo "    ${_pack}" >> ${_tmp_file}
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

PARA=${*}

_nodeps=false

while [ ${#} -gt 0 ]
do
    case ${1} in
    --nodeps)
        _nodeps=true
        ;;
    *.spec)
        _file="${1}"
        __nodeps='--nodeps'
        ;;
    esac
    shift
done

if [ -n "${_file}" ]
then
    # set arch
    if [ "$(arch)" = "x86_64" ]
    then
        lib64=64
    fi
    # get python version 
    py_inst=$(ls /usr/bin/python3.* | sed 's|.*python||; s|\.||; s|-config||' | uniq)
  
    _tmp_file=$( mktemp -t .XXXXXXXXXXXXXX )
    if ! ${_nodeps}
    then
        gawk '/^BuildRequires:/ {$1=""; print $0}' ${_file} | cut -d'>' -f1 |
        while read _pack
        do
            if ! grep -q -R "${_pack}$" /usr/share/rpm/provides/
            then
                case "${_pack}" in
                pkgconfig\(*)
                    search_pkgconfig
                    ;;
                perl\(*)
                    search_perl
                    ;;
                cmake\(*)
                    search_cmake
                    ;;
                *python*)
                    search_python
                    ;;
                *flavor*)
                    search_flavor
                    ;;
                *)  # others
                    _pack=$(echo ${_pack} |
                        sed 's/devel/dev/;
                             s/.*openssl-dev/libopenssl-3-dev/;
                             s/libssl-dev/libopenssl-3-dev/;
                             s/gcc-c++/gcc-cpp/;
                             s/c++_compiler/gcc-cpp/;
                             s/pkgconfig$/pkg-config/;
                             s/gettext-dev/gettext-tools/;
                             s/libjpeg-dev/libjpeg8-dev/;
                             s/mysql-dev/libmariadb-dev/;
                             s/postgresql-dev/libpq5-dev/')

                    search_package
                    ;;
                esac
            fi
        done
    fi

    if [ -s ${_tmp_file} ]
    then
        echo
        echo 'The following packages where missing, please solve that first.'
        echo
        cat  ${_tmp_file}
        echo
        rm -f ${_tmp_file}
        exit 1
    fi

    rm -f ${_tmp_file}
fi

# ---------------------------------------------------------------------------
# exec bin
# ---------------------------------------------------------------------------

exec /usr/bin/in.rpmbuild ${__nodeps} $( echo ${PARA} | sed "s|'||g" )

# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------