$ git clone -n https://src.fedoraproject.org/rpms/mingw-polyclipping.git /var/lib/mock/f41-build-1273182-23132/root/chroot_tmpdir/scmroot/mingw-polyclipping
Cloning into '/var/lib/mock/f41-build-1273182-23132/root/chroot_tmpdir/scmroot/mingw-polyclipping'...
$ git fetch origin 94e5c9011f7850947711f83192609542b87ccfc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-polyclipping
 * [new ref]         94e5c9011f7850947711f83192609542b87ccfc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94e5c90 Eliminate use of obsolete %patchN syntax (#2283636)