$ git clone -n https://src.fedoraproject.org/rpms/rust-event-listener.git /var/lib/mock/f40-build-2208214-52120/root/chroot_tmpdir/scmroot/rust-event-listener
Cloning into '/var/lib/mock/f40-build-2208214-52120/root/chroot_tmpdir/scmroot/rust-event-listener'...
$ git fetch origin ccc91004c8a0de6169234614dd26cf073c6db8fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-event-listener
 * [new ref]         ccc91004c8a0de6169234614dd26cf073c6db8fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccc9100 Update to version 4.0.2; Fixes RHBZ#2246803