File _service of Package hello

<services>
  <service name="download_files"/>
  <service name="obs_scm">
    <param name="scm">git</param>
    <param name="url">https://git.savannah.gnu.org/git/hello.git</param>
    <param name="versionformat">@PARENT_TAG@+git.@TAG_OFFSET@.%h</param>
  </service>
  <service mode="buildtime" name="tar" />
  <service mode="buildtime" name="recompress">
    <param name="file">*.tar</param>
    <param name="compression">gz</param>
  </service>
  <service mode="buildtime" name="set_version"/>
</services>