$ git clone -n https://src.fedoraproject.org/rpms/ftnchek.git /var/lib/mock/f41-build-749042-13368/root/chroot_tmpdir/scmroot/ftnchek
Cloning into '/var/lib/mock/f41-build-749042-13368/root/chroot_tmpdir/scmroot/ftnchek'...
$ git fetch origin 08ad43a4c5d8d7958f6d14f864e69f2f611ada80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ftnchek
 * [new ref]         08ad43a4c5d8d7958f6d14f864e69f2f611ada80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08ad43a Eliminate use of obsolete %patchN syntax (#2283636)