$ git clone -n https://src.fedoraproject.org/rpms/fpc.git /var/lib/mock/f41-build-754384-13410/root/chroot_tmpdir/scmroot/fpc
Cloning into '/var/lib/mock/f41-build-754384-13410/root/chroot_tmpdir/scmroot/fpc'...
$ git fetch origin 649130fa7e5cdcc7a70dce1ff5e3165c3190909b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fpc
 * [new ref]         649130fa7e5cdcc7a70dce1ff5e3165c3190909b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 649130f Eliminate use of obsolete %patchN syntax (#2283636)