$ git clone -n https://src.fedoraproject.org/rpms/perl-XMLRPC-Lite.git /var/lib/mock/f45-build-27591-625/root/chroot_tmpdir/scmroot/perl-XMLRPC-Lite
Cloning into '/var/lib/mock/f45-build-27591-625/root/chroot_tmpdir/scmroot/perl-XMLRPC-Lite'...
$ git fetch origin eb029a448d0d6d63da5b98dee7d0ef26874a42e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XMLRPC-Lite
 * [new ref]         eb029a448d0d6d63da5b98dee7d0ef26874a42e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb029a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild