script to build tar ball or SRPM

build-rpm.bash

topdir="${WORKSPACE}/rpmbuild"
rpmdir="${topdir}/RPMS/$(uname -m)"
echo "%_topdir ${topdir}" > "${HOME}/.rpmmacros"

case "${TARGET}" in
 */httpd-*)
  # patch for httpd-2.4.3
  tarball="${TARGET##*/}"
  module="${tarball%.tar.*}"
  curl -O "${TARGET}"
  tar jxf "${tarball}"
  sed -e 's,%{epoch}:,,g' -i "${module}/httpd.spec"
  tar jcf "${tarball}" "${module}"
  rpmbuild -tb "${tarball}"
  ;;

 *.src.rpm) curl -O "${TARGET}" && rpmbuild --rebuild "${TARGET##*/}";;
 *.tar.bz2) curl -O "${TARGET}" && rpmbuild -tb       "${TARGET##*/}";;

 *) echo 'environment variable TARGET must be set.'; exit 1;;
esac