$ git clone -n https://src.fedoraproject.org/rpms/perl-Parse-CPAN-Packages.git /var/lib/mock/f45-build-25619-612/root/chroot_tmpdir/scmroot/perl-Parse-CPAN-Packages
Cloning into '/var/lib/mock/f45-build-25619-612/root/chroot_tmpdir/scmroot/perl-Parse-CPAN-Packages'...
$ git fetch origin dcdbd022aac67a0c1fce0e01730131fbc5c9562c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Parse-CPAN-Packages
 * [new ref]         dcdbd022aac67a0c1fce0e01730131fbc5c9562c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcdbd02 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild