sit_fail() {
    local msg="SIT: Fail: $1"
    echo "$msg"
    exit 1
}
sit_warn() {
    local msg=$1
    echo "SIT: Warning:  $msg"
}
sit_info() {
    local msg=$1
    echo "SIT: $msg"
}
sit_info_verbose() {
    local msg=$1
    if  [[ $verbose -gt 0 ]] ; then
        echo "SIT verbose: $msg"
    fi
}

sit_countdown() {
    local tt=$1
    for i in $(seq $tt -1 1); do 
        echo -n "$i "
        sleep 1
    done
    echo
}


unpack() {
    if [ ! -e ${SRC_POOL}/${A} ] ; then
        sit_fail "${SRC_POOL}/${A} doesn't exist"
    fi
    case "${A##*.}" in
        bz2)
            tar xjf ${SRC_POOL}/${A} || sit_fail
            ;;
        gz|tgz)
            tar xzf ${SRC_POOL}/${A} || sit_fail
            ;;
        xz)
            tar xJf ${SRC_POOL}/${A} || sit_fail
            ;;
        *)
            sit_fail "Archive format not recogized"
            ;;
    esac
}
src_unpack() {
    unpack
}
sit_unpack() {
    sit_info "Unpacking sources ..."
    cd ${WORKDIR}
    src_unpack
}


src_prepare() {
    /bin/true
}
sit_prepare() {
    sit_info "Preparing sources"
    cd ${SRCDIR}
    src_prepare  || sit_fail "Preparing sources failed"
}


src_configure() {
      if [ -x ${SRCDIR}/configure ] ; then
#sit_info "Runnning configure"
          ${SRCDIR}/configure --prefix=$PREFIX $CONFIGURE_OPTS
          if [ ! -z $LOGDIR  -a -f config.log ] ; then
                cp config.log $LOGDIR
          fi
      elif [ -f ${SRCDIR}/CMakeLists.txt ] ; then
#sit_info "Running cmake"
          cmake -DCMAKE_INSTALL_PREFIX=$PREFIX $CMAKE_OPTS ${SRCDIR} 
      fi
}
sit_configure() {
    sit_info "Configuring sources ..."
    cd ${BUILDDIR}
    src_configure  || sit_fail "Configure failed"
}


src_build() {
    make $MAKEOPTS
}
sit_build() {
    sit_info "Building sources ..."
        cd ${BUILDDIR}
    src_build  || sit_fail "Build failed"
}


src_pretest() {
    /bin/true
}
sit_pretest() {
    sit_info "Running pre installation tests ..."
    cd ${BUILDDIR}
    src_pretest  || sit_fail "Pre installation tests failed"
}


src_install() {
    make install
}
sit_install() {
    sit_info "Installing package ..."
    cd ${BUILDDIR}
    src_install || sit_fail "Install failed"
}


src_posttest() {
    /bin/true
}
sit_posttest() {
    sit_info "Running post installation tests ..."
    cd ${BUILDDIR}
    src_posttest  || sit_fail "Post installation tests failed"
}


src_postinst() {
/bin/true
}

sit_postinst() {
    src_postinst || sit_fail "Post installation failed"
}


sit_copy_logs() {
    if [ ! -z $LOGDIR ] ; then
        cd $LOGDIR
        bzip2 -f *.log
        cp -f $LOGDIR/*.bz2 $PREFIX
    fi
}

src_setperms() {
    chmod -R g+rwX $PREFIX
    chmod -R o+rX  $PREFIX
}
sit_setperms() {
    sit_info "Setting proper permissions"
    src_setperms  || sit_fail "Could not set permissions"
}

sit_sitinfo() {
    local SIT_VERSION="unknown"
    if svnversion $SIT_PATH >/dev/null 2>/dev/null  &&  test "$(svnversion $SIT_PATH)" != "exported"  ; then 
        SIT_VERSION="svn-r$(svnversion $SIT_PATH)" 
    elif cd $SIT_PATH; git svn find-rev r1 >/dev/null 2>&1 ; then 
        SIT_VERSION="svn-r$(cd $SIT_PATH; git svn find-rev HEAD)"; 
    fi
    echo "Invocation: $(ps --pid $$ -o cmd | tail -n 1)"
    echo "Started: $(date)"
    echo "Version: $SIT_VERSION"
    echo "Environment:"
    echo "------------------------------------------------------------------------------"
    env
    echo "------------------------------------------------------------------------------"
}