$ git clone -n https://src.fedoraproject.org/rpms/rust-lebe.git /var/lib/mock/f45-build-42866-797/root/chroot_tmpdir/scmroot/rust-lebe
Cloning into '/var/lib/mock/f45-build-42866-797/root/chroot_tmpdir/scmroot/rust-lebe'...
$ git fetch origin a44138ab9cd6884530610f0d9e4a5a8720d003e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lebe
 * [new ref]         a44138ab9cd6884530610f0d9e4a5a8720d003e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a44138a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild