$ git clone -n https://src.fedoraproject.org/rpms/freeipa.git /var/lib/mock/f42-build-3459561-45515/root/chroot_tmpdir/scmroot/freeipa
Cloning into '/var/lib/mock/f42-build-3459561-45515/root/chroot_tmpdir/scmroot/freeipa'...
$ git fetch origin 368066c39d0f5b6e231839fb022a403411c0204b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freeipa
 * [new ref]         368066c39d0f5b6e231839fb022a403411c0204b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 368066c Rebuild for Samba 4.22.0 RC1