$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Find.git /var/lib/mock/f45-build-24838-606/root/chroot_tmpdir/scmroot/perl-Module-Find
Cloning into '/var/lib/mock/f45-build-24838-606/root/chroot_tmpdir/scmroot/perl-Module-Find'...
$ git fetch origin b2000e8019d5eb837e1eca88f12bf37f9141a0b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Find
 * [new ref]         b2000e8019d5eb837e1eca88f12bf37f9141a0b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2000e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild