$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Random-Secure.git /var/lib/mock/f45-build-24720-605/root/chroot_tmpdir/scmroot/perl-Math-Random-Secure
Cloning into '/var/lib/mock/f45-build-24720-605/root/chroot_tmpdir/scmroot/perl-Math-Random-Secure'...
$ git fetch origin ed7420db7e196e48726f8467cfad6e8eeb8ebd97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Random-Secure
 * [new ref]         ed7420db7e196e48726f8467cfad6e8eeb8ebd97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed7420d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild