$ git clone -n https://src.fedoraproject.org/rpms/openqa.git /var/lib/mock/f39-build-1970863-43321/root/chroot_tmpdir/scmroot/openqa
Cloning into '/var/lib/mock/f39-build-1970863-43321/root/chroot_tmpdir/scmroot/openqa'...
$ git fetch origin cbd1e669c9a77f1298b73f9030fc7f225558897f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openqa
 * [new ref]         cbd1e669c9a77f1298b73f9030fc7f225558897f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbd1e66 Update to recent upstream git, resync spec, drop merged patch