$ git clone -n https://src.fedoraproject.org/rpms/nethack-vultures.git /var/lib/mock/f41-build-772678-13507/root/chroot_tmpdir/scmroot/nethack-vultures
Cloning into '/var/lib/mock/f41-build-772678-13507/root/chroot_tmpdir/scmroot/nethack-vultures'...
$ git fetch origin 794cea6e51d3e6aad2eac02d823133fd259a2178:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nethack-vultures
 * [new ref]         794cea6e51d3e6aad2eac02d823133fd259a2178 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 794cea6 Eliminate use of obsolete %patchN syntax (#2283636)