$ git clone -n https://src.fedoraproject.org/rpms/jpanoramamaker.git /var/lib/mock/f41-build-786003-13590/root/chroot_tmpdir/scmroot/jpanoramamaker
Cloning into '/var/lib/mock/f41-build-786003-13590/root/chroot_tmpdir/scmroot/jpanoramamaker'...
$ git fetch origin afe87e8db5d38d308210a66415a47be56f023720:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jpanoramamaker
 * [new ref]         afe87e8db5d38d308210a66415a47be56f023720 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afe87e8 Eliminate use of obsolete %patchN syntax (#2283636)