$ git clone -n https://src.fedoraproject.org/rpms/DNS-Compliance-Testing.git /var/lib/mock/f40-build-762098-121836/root/chroot_tmpdir/scmroot/DNS-Compliance-Testing
Cloning into '/var/lib/mock/f40-build-762098-121836/root/chroot_tmpdir/scmroot/DNS-Compliance-Testing'...
$ git fetch origin 4e4d3857fd59f5bb1f0aaeb26aa7bd80212fe5c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/DNS-Compliance-Testing
 * [new ref]         4e4d3857fd59f5bb1f0aaeb26aa7bd80212fe5c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e4d385 Initial version from revision bug #2221356