$ git clone -n https://src.fedoraproject.org/rpms/libnl3.git /var/lib/mock/f41-build-826911-154944/root/chroot_tmpdir/scmroot/libnl3
Cloning into '/var/lib/mock/f41-build-826911-154944/root/chroot_tmpdir/scmroot/libnl3'...
$ git fetch origin 10512141acd10f5d0ce6c36d868f1ceb83c141be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnl3
 * [new ref]         10512141acd10f5d0ce6c36d868f1ceb83c141be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1051214 Update to 3.10.0 release