anchor.diff:      # incompatibleKernelVersion = "4.19";
   
       # this package should point to a version / git revision compatible with the latest kernel release
  -    version = "0.8.4";
  -
  -    sha256 = "1hl4n900d24gl4vd65qdzq4m62b7bpvckldazcbd1xqcn8xhi6wp";
  +    version = "2.0.0-rc1";
  +
  +    sha256 = "0d1m5zwgqzfwbscvb60zvzkjgl5nkbvas22vjsyci3xygz0qwjsb";
       isUnstable = true;
     };
   }
  
positive.code:     version = "0.8.4";
  
      sha256 = "1hl4n900d24gl4vd65qdzq4m62b7bpvckldazcbd1xqcn8xhi6wp";
    };
  
    zfsUnstable = common {
  
negative.code:         inherit rev sha256;
        };
  
        patches = extraPatches;
  
        postPatch = optionalString buildKernel ''
          patchShebangs scripts
          # The arrays must remain the same length, so we repeat a flag that is
          # already part of the command and therefore has no effect.
          substituteInPlace ./module/${optionalString isUnstable "os/linux/"}zfs/zfs_ctldir.c \
            --replace '"/usr/bin/env", "umount"' '"${utillinux}/bin/umount", "-n"' \
            --replace '"/usr/bin/env", "mount"'  '"${utillinux}/bin/mount", "-n"'
        '' + optionalString buildUser ''
          substituteInPlace ./lib/libzfs/libzfs_mount.c --replace "/bin/umount"             "${utillinux}/bin/umount" \
                                                        --replace "/bin/mount"              "${utillinux}/bin/mount"
          substituteInPlace ./lib/libshare/${optionalString isUnstable "os/linux/"}nfs.c --replace "/usr/sbin/exportfs" "${
            # We don't *need* python support, but we set it like this to minimize closure size:
            # If it's disabled by default, no need to enable it, even if we have python enabled
            # And if it's enabled by default, only change that if we explicitly disable python to remove python from the closure
            nfs-utils.override (old: { enablePython = old.enablePython or true && enablePython; })
          }/bin/exportfs"
          substituteInPlace ./config/user-systemd.m4    --replace "/usr/lib/modules-load.d" "$out/etc/modules-load.d"
          substituteInPlace ./config/zfs-build.m4       --replace "\$sysconfdir/init.d"     "$out/etc/init.d" \
                                                        --replace "/etc/default"            "$out/etc/default"
          substituteInPlace ./etc/zfs/Makefile.am       --replace "\$(sysconfdir)"          "$out/etc"
          substituteInPlace ./cmd/zed/Makefile.am       --replace "\$(sysconfdir)"          "$out/etc"
  
  