$ git clone -n https://src.fedoraproject.org/rpms/rust-zmij.git /var/lib/mock/f45-build-46397-834/root/chroot_tmpdir/scmroot/rust-zmij
Cloning into '/var/lib/mock/f45-build-46397-834/root/chroot_tmpdir/scmroot/rust-zmij'...
$ git fetch origin 2cccfd47b74cd79fea1b7ecb82bb1d7e8f87ae15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zmij
 * [new ref]         2cccfd47b74cd79fea1b7ecb82bb1d7e8f87ae15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cccfd4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild