$ git clone -n https://src.fedoraproject.org/rpms/conserver.git /var/lib/mock/f40-build-2252710-54192/root/chroot_tmpdir/scmroot/conserver
Cloning into '/var/lib/mock/f40-build-2252710-54192/root/chroot_tmpdir/scmroot/conserver'...
$ git fetch origin f98a7bcf948c2273ef2d1bb65ffafa1e03dcb78c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/conserver
 * [new ref]         f98a7bcf948c2273ef2d1bb65ffafa1e03dcb78c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f98a7bc fix buffer-overflow caused by SIGHUP during SSH connections