$ git clone -n https://src.fedoraproject.org/rpms/netpanzer.git /var/lib/mock/f41-build-772689-13507/root/chroot_tmpdir/scmroot/netpanzer
Cloning into '/var/lib/mock/f41-build-772689-13507/root/chroot_tmpdir/scmroot/netpanzer'...
$ git fetch origin b6b96c77593f7d30e194c93ee1fd26b291021812:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netpanzer
 * [new ref]         b6b96c77593f7d30e194c93ee1fd26b291021812 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6b96c7 Eliminate use of obsolete %patchN syntax (#2283636)