$ git clone -n https://src.fedoraproject.org/rpms/rust-ssh-cipher.git /var/lib/mock/f45-build-45132-821/root/chroot_tmpdir/scmroot/rust-ssh-cipher
Cloning into '/var/lib/mock/f45-build-45132-821/root/chroot_tmpdir/scmroot/rust-ssh-cipher'...
$ git fetch origin ab4af1cbd56e03842e21a83c033d4f16020fbbcc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ssh-cipher
 * [new ref]         ab4af1cbd56e03842e21a83c033d4f16020fbbcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab4af1c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild