$ git clone -n https://src.fedoraproject.org/rpms/perl-Log-Report.git /var/lib/mock/f45-build-24538-604/root/chroot_tmpdir/scmroot/perl-Log-Report
Cloning into '/var/lib/mock/f45-build-24538-604/root/chroot_tmpdir/scmroot/perl-Log-Report'...
$ git fetch origin b891e088c661aa43bb9e5bc79474913ddf206ceb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Log-Report
 * [new ref]         b891e088c661aa43bb9e5bc79474913ddf206ceb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b891e08 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild