function url_hg_crack() {

  URL=${SOURCE_URL}
  HG_MODULE=${SPELL}
  HG_TAG=${VERSION}

}
url_hg_crack 
message "${MESSAGE_COLOR}Starting Mercurial checkout of" \
        "${FILE_COLOR}${SOURCE}${MESSAGE_COLOR}...${DEFAULT_COLOR}"  &&
if [[ -f $SOURCE_CACHE/${SOURCE} ]]
then
  message "${MESSAGE_COLOR}Previous source found unpacking...${DEFAULT_COLOR}"  &&
  tar -jxf $SOURCE_CACHE/${SOURCE}  &&
  cd ${HG_MODULE}  &&
  message "${MESSAGE_COLOR}Running Mercurial update...${DEFAULT_COLOR}"  &&
  hg pull -u -r ${HG_TAG}
  cd ..
  message "${MESSAGE_COLOR}Done...${DEFAULT_COLOR}"
else
  message "${MESSAGE_COLOR}Running initial Mercurial clone...${DEFAULT_COLOR}"  &&
  hg clone -r${HG_TAG} ${URL} ${HG_MODULE}
  message "${MESSAGE_COLOR}Done...${DEFAULT_COLOR}"
fi   &&
message "${MESSAGE_COLOR}Generating tarball...${DEFAULT_COLOR}" &&
tar -jcf                                                        \
    ${SOURCE}                                                   \
    ${HG_MODULE}                                                &&
cp  ${SOURCE} ${SOURCE_CACHE}/${SOURCE}                         &&
rm  ${SOURCE}                                                   &&
message "${MESSAGE_COLOR}Mercurial checkout complete...${DEFAULT_COLOR}"