$ git clone -n https://src.fedoraproject.org/rpms/libowfat.git /var/lib/mock/f41-build-side-1-2645216-27075/root/chroot_tmpdir/scmroot/libowfat
Cloning into '/var/lib/mock/f41-build-side-1-2645216-27075/root/chroot_tmpdir/scmroot/libowfat'...
$ git fetch origin d3eccfe956edcc1be21cd6b2cafdd99b64d5cd0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libowfat
 * [new ref]         d3eccfe956edcc1be21cd6b2cafdd99b64d5cd0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3eccfe convert GPLv2 license to SPDX