$ git clone -n https://src.fedoraproject.org/rpms/perl-App-CSV.git /var/lib/mock/f45-build-21689-587/root/chroot_tmpdir/scmroot/perl-App-CSV
Cloning into '/var/lib/mock/f45-build-21689-587/root/chroot_tmpdir/scmroot/perl-App-CSV'...
$ git fetch origin 34a8db55ff9667076933beed086c8b87f3e16d67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-App-CSV
 * [new ref]         34a8db55ff9667076933beed086c8b87f3e16d67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34a8db5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild