$ git clone -n https://src.fedoraproject.org/rpms/xdialog.git /var/lib/mock/f41-build-755467-13413/root/chroot_tmpdir/scmroot/xdialog
Cloning into '/var/lib/mock/f41-build-755467-13413/root/chroot_tmpdir/scmroot/xdialog'...
$ git fetch origin ca1de1fe7948a172c6fba7e60118caada7cd720e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdialog
 * [new ref]         ca1de1fe7948a172c6fba7e60118caada7cd720e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca1de1f Eliminate use of obsolete %patchN syntax (#2283636)