$ git clone -n https://src.fedoraproject.org/rpms/Simple-Fuzzer.git /var/lib/mock/f41-build-903189-17004/root/chroot_tmpdir/scmroot/Simple-Fuzzer
Cloning into '/var/lib/mock/f41-build-903189-17004/root/chroot_tmpdir/scmroot/Simple-Fuzzer'...
$ git fetch origin 4724b92023b2bd3038853ed893bf316db40a543f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Simple-Fuzzer
 * [new ref]         4724b92023b2bd3038853ed893bf316db40a543f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4724b92 Eliminate use of obsolete %patchN syntax (#2283636)