$ git clone -n https://src.fedoraproject.org/rpms/perl-GPS.git /var/lib/mock/f45-build-23765-599/root/chroot_tmpdir/scmroot/perl-GPS
Cloning into '/var/lib/mock/f45-build-23765-599/root/chroot_tmpdir/scmroot/perl-GPS'...
$ git fetch origin 0da207136bcfc0f57885eae8b54621c119bd9e2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-GPS
 * [new ref]         0da207136bcfc0f57885eae8b54621c119bd9e2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0da2071 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild