$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-RandPasswd.git /var/lib/mock/f45-build-22653-593/root/chroot_tmpdir/scmroot/perl-Crypt-RandPasswd
Cloning into '/var/lib/mock/f45-build-22653-593/root/chroot_tmpdir/scmroot/perl-Crypt-RandPasswd'...
$ git fetch origin 0ae7edb68e48c26f2fc280dffa055e222e8bf95d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-RandPasswd
 * [new ref]         0ae7edb68e48c26f2fc280dffa055e222e8bf95d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ae7edb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild