$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-DOM-XPath.git /var/lib/mock/f45-build-27463-624/root/chroot_tmpdir/scmroot/perl-XML-DOM-XPath
Cloning into '/var/lib/mock/f45-build-27463-624/root/chroot_tmpdir/scmroot/perl-XML-DOM-XPath'...
$ git fetch origin a6992586346cc23d35943c75ca08ce10ef46bafd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-DOM-XPath
 * [new ref]         a6992586346cc23d35943c75ca08ce10ef46bafd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a699258 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild