$ git clone -n https://src.fedoraproject.org/rpms/morphio.git /var/lib/mock/f42-build-864763-172559/root/chroot_tmpdir/scmroot/morphio
Cloning into '/var/lib/mock/f42-build-864763-172559/root/chroot_tmpdir/scmroot/morphio'...
$ git fetch origin 181f39976ce0c5246669bb04b80f4cf4e767adb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/morphio
 * [new ref]         181f39976ce0c5246669bb04b80f4cf4e767adb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 181f399 Update pybind11/PR#515 patch with upstream changes