$ git clone -n https://src.fedoraproject.org/rpms/kontactinterface.git /var/lib/mock/f40-build-1777021-24802/root/chroot_tmpdir/scmroot/kontactinterface
Cloning into '/var/lib/mock/f40-build-1777021-24802/root/chroot_tmpdir/scmroot/kontactinterface'...
$ git fetch origin a67d12df3669f2e83bb8f6f86de769551065316c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontactinterface
 * [new ref]         a67d12df3669f2e83bb8f6f86de769551065316c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a67d12d Merge branch 'rawhide' into f40