$ git clone -n https://src.fedoraproject.org/rpms/mingw-nettle.git /var/lib/mock/f41-build-1037594-18804/root/chroot_tmpdir/scmroot/mingw-nettle
Cloning into '/var/lib/mock/f41-build-1037594-18804/root/chroot_tmpdir/scmroot/mingw-nettle'...
$ git fetch origin ff37b4e7958f418f5daa2d9e2118d6a703d79674:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-nettle
 * [new ref]         ff37b4e7958f418f5daa2d9e2118d6a703d79674 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff37b4e Eliminate use of obsolete %patchN syntax (#2283636)