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   1 # Tabs only for indentation, spaces ok in comments.
   2
   3 # jq -f _device_json_transform.jq old.json
   4 # Transform from the old schema:
   5 # {
   6 #       "vendorName": "...",
   7 #       "deviceName": "...",
   8 #       "boardNames": ["..."],
   9 #       "partition1MTD": "mtdX",
  10 #       "partition2MTD": "mtdY",
  11 #       "labelOffset": 32,
  12 #       "bootEnv1": "boot_part",
  13 #       "bootEnv1Partition1Value": 1,
  14 #       "bootEnv1Partition2Value": 2,
  15 #       "bootEnv2": "bootcmd",
  16 #       "bootEnv2Partition1Value": "run nandboot",
  17 #       "bootEnv2Partition2Value": "run altnandboot",
  18 #       "opOffset": 0,
  19 #       "ubiVolume": 2
  20 # }
  21 #
  22 # …to the new schema:
  23 # {
  24 #       "device": { "vendor": "...", "model": "...", "board": ["..."] },
  25 #       "commands": { "params": [...], "get": "fw_printenv", "set": "fw_setenv", "save": null },
  26 #       "partitions": [
  27 #               { "number": 1, "param_values": [...], "mtd": "mtdX", "labelOffsetBytes": <int|null>, "altMountOptions": {...|null} },
  28 #               { "number": 2, "param_values": [...], "mtd": "mtdY", "labelOffsetBytes": <int|null>, "altMountOptions": {...|null} }
  29 #       ]
  30 # }
  31
  32 . as $in
  33 | ([$in.bootEnv1, $in.bootEnv2] | map(select(. != null))) as $params
  34 | {
  35         device: {
  36                 vendor: $in.vendorName,
  37                 model: $in.deviceName,
  38                 board: (if ($in.boardNames | type) == "array" then $in.boardNames else [$in.boardNames] end)
  39         },
  40         commands: {
  41                 params: $params,
  42                 get: "fw_printenv",
  43                 set: "fw_setenv",
  44                 save: null
  45         },
  46         partitions: [
  47                 (if $in.partition1MTD != null then
  48                         {
  49                                 number: 1,
  50                                 param_values: (
  51                                         # Align to commands.params: value for param[0], param[1], ...
  52                                         # Only include entries that exist (skip nulls)
  53                                         [
  54                                                 (if ($params | length) > 0 then $in.bootEnv1Partition1Value else empty end),
  55                                                 (if ($params | length) > 1 then $in.bootEnv2Partition1Value else empty end)
  56                                         ] | map(select(. != null))
  57                                 ),
  58                                 mtd: $in.partition1MTD,
  59                                 labelOffsetBytes: ($in.labelOffset // null)
  60                         } + (
  61                                 if ($in.opOffset != null or $in.ubiVolume != null) then
  62                                         { altMountOptions: { mtdOffset: ($in.opOffset // null), ubiVolume: ($in.ubiVolume // null) } }
  63                                 else
  64                                         {}
  65                                 end
  66                         )
  67                 else empty end),
  68                 (if $in.partition2MTD != null then
  69                         {
  70                                 number: 2,
  71                                 param_values: (
  72                                         [
  73                                                 (if ($params | length) > 0 then $in.bootEnv1Partition2Value else empty end),
  74                                                 (if ($params | length) > 1 then $in.bootEnv2Partition2Value else empty end)
  75                                         ] | map(select(. != null))
  76                                 ),
  77                                 mtd: $in.partition2MTD,
  78                                 labelOffsetBytes: ($in.labelOffset // null)
  79                         } + (
  80                                 if ($in.opOffset != null or $in.ubiVolume != null) then
  81                                         { altMountOptions: { mtdOffset: ($in.opOffset // null), ubiVolume: ($in.ubiVolume // null) } }
  82                                 else
  83                                         {}
  84                                 end
  85                         )
  86                 else empty end)
  87         ]
  88 }