$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-FindDependencies.git /var/lib/mock/f45-build-21968-589/root/chroot_tmpdir/scmroot/perl-CPAN-FindDependencies
Cloning into '/var/lib/mock/f45-build-21968-589/root/chroot_tmpdir/scmroot/perl-CPAN-FindDependencies'...
$ git fetch origin a923725e5259b24848938d3aa87f9abd2a9f7e20:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-FindDependencies
 * [new ref]         a923725e5259b24848938d3aa87f9abd2a9f7e20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a923725 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild