$ git clone -n https://src.fedoraproject.org/rpms/perl-URI-Find.git /var/lib/mock/f45-build-27293-622/root/chroot_tmpdir/scmroot/perl-URI-Find
Cloning into '/var/lib/mock/f45-build-27293-622/root/chroot_tmpdir/scmroot/perl-URI-Find'...
$ git fetch origin 887bb6f92657f7d904e4562e1ecaf48d45479097:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-URI-Find
 * [new ref]         887bb6f92657f7d904e4562e1ecaf48d45479097 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 887bb6f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild