$ git clone -n https://src.fedoraproject.org/rpms/perl-Bytes-Random-Secure.git /var/lib/mock/f45-build-21907-588/root/chroot_tmpdir/scmroot/perl-Bytes-Random-Secure
Cloning into '/var/lib/mock/f45-build-21907-588/root/chroot_tmpdir/scmroot/perl-Bytes-Random-Secure'...
$ git fetch origin ae42f3e169acfcd6ac617a7a0ea832efade5b063:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Bytes-Random-Secure
 * [new ref]         ae42f3e169acfcd6ac617a7a0ea832efade5b063 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae42f3e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild