$ git clone -n https://src.fedoraproject.org/rpms/python-llvmlite.git /var/lib/mock/f39-build-1946374-43202/root/chroot_tmpdir/scmroot/python-llvmlite
Cloning into '/var/lib/mock/f39-build-1946374-43202/root/chroot_tmpdir/scmroot/python-llvmlite'...
$ git fetch origin dc00a7f9effdd5a32226e05c76b1b9ec145b1a78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-llvmlite
 * [new ref]         dc00a7f9effdd5a32226e05c76b1b9ec145b1a78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc00a7f Update to 0.41.1 (close RHBZ#2244851)