$ git clone -n https://src.fedoraproject.org/rpms/libefp.git /var/lib/mock/f41-build-1152479-21302/root/chroot_tmpdir/scmroot/libefp
Cloning into '/var/lib/mock/f41-build-1152479-21302/root/chroot_tmpdir/scmroot/libefp'...
$ git fetch origin 0c7d629b9856f0e18c844661ffc8f8b5f47ca0d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libefp
 * [new ref]         0c7d629b9856f0e18c844661ffc8f8b5f47ca0d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c7d629 Eliminate use of obsolete %patchN syntax (#2283636)