$ git clone -n https://src.fedoraproject.org/rpms/zoitechat.git /var/lib/mock/f45-build-39371-734/root/chroot_tmpdir/scmroot/zoitechat
Cloning into '/var/lib/mock/f45-build-39371-734/root/chroot_tmpdir/scmroot/zoitechat'...
$ git fetch origin d46ba14b82d3e18128f541834c058e6b4c4b9678:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zoitechat
 * [new ref]         d46ba14b82d3e18128f541834c058e6b4c4b9678 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d46ba14 Update to 2.19.1