$ git clone -n https://src.fedoraproject.org/rpms/rust-educe.git /var/lib/mock/f45-build-41383-782/root/chroot_tmpdir/scmroot/rust-educe
Cloning into '/var/lib/mock/f45-build-41383-782/root/chroot_tmpdir/scmroot/rust-educe'...
$ git fetch origin 3b8a551abcf8247041d9db341c738b691b58dcfb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-educe
 * [new ref]         3b8a551abcf8247041d9db341c738b691b58dcfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b8a551 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild