$ git clone -n https://src.fedoraproject.org/rpms/sunwait.git /var/lib/mock/f41-build-1041857-18991/root/chroot_tmpdir/scmroot/sunwait
Cloning into '/var/lib/mock/f41-build-1041857-18991/root/chroot_tmpdir/scmroot/sunwait'...
$ git fetch origin ad29888a11c4f5bd0fa35e63807d830df66ceab9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sunwait
 * [new ref]         ad29888a11c4f5bd0fa35e63807d830df66ceab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad29888 Eliminate use of obsolete %patchN syntax (#2283636)