$ git clone -n https://src.fedoraproject.org/rpms/python-hexdump.git /var/lib/mock/f41-build-767463-13473/root/chroot_tmpdir/scmroot/python-hexdump
Cloning into '/var/lib/mock/f41-build-767463-13473/root/chroot_tmpdir/scmroot/python-hexdump'...
$ git fetch origin 7727b8c96872dc40249d5cdc9119977437ec3dad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hexdump
 * [new ref]         7727b8c96872dc40249d5cdc9119977437ec3dad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7727b8c Eliminate use of obsolete %patchN syntax (#2283636)