$ git clone -n https://src.fedoraproject.org/rpms/rust-rustyline-derive0.10.git /var/lib/mock/f45-build-44626-815/root/chroot_tmpdir/scmroot/rust-rustyline-derive0.10
Cloning into '/var/lib/mock/f45-build-44626-815/root/chroot_tmpdir/scmroot/rust-rustyline-derive0.10'...
$ git fetch origin fd0e752214a55599dcae28204835615e03ffacd4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustyline-derive0.10
 * [new ref]         fd0e752214a55599dcae28204835615e03ffacd4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd0e752 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild