From 8a0362c6992d2a432ecb79905531a6c7324fa6a8 Mon Sep 17 00:00:00 2001
From: Paul Spooren <mail@aparcar.org>
Date: Sun, 18 Aug 2019 09:56:45 -1000
Subject: build: create JSON files containing image info

The JSON info files contain details about the created firmware images
per device and are stored next to the created images.

The JSON files are stored as "$(IMAGE_PREFIX).json" and contain some
device/image meta data as well as a list of created firmware images.

An example of openwrt-ramips-rt305x-aztech_hw550-3g.json

    {
      "id": "aztech_hw550-3g",
      "image_prefix": "openwrt-ramips-rt305x-aztech_hw550-3g",
      "images": [
        {
          "name": "openwrt-ramips-rt305x-aztech_hw550-3g-squashfs-sysupgrade.bin",
          "sha256": "db2b34b0ec4a83d9bf612cf66fab0dc3722b191cb9bedf111e5627a4298baf20",
          "type": "sysupgrade"
        }
      ],
      "metadata_version": 1,
      "supported_devices": [
        "aztech,hw550-3g",
        "hw550-3g"
      ],
      "target": "ramips/rt305x",
      "titles": [
        {
          "model": "HW550-3G",
          "vendor": "Aztech"
        },
        {
          "model": "ALL0239-3G",
          "vendor": "Allnet"
        }
      ],
      "version_commit": "r10920+123-0cc87b3bac",
      "version_number": "SNAPSHOT"
    }

Signed-off-by: Paul Spooren <mail@aparcar.org>
(backported from commit 881ed09ee6e23f6c224184bb7493253c4624fb9f)
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
---
 include/image.mk | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'include/image.mk')

diff --git a/include/image.mk b/include/image.mk
index 1538d83df3..2eedb43753 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -524,7 +524,20 @@ define Device/Build/image
 
   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 	cp $$^ $$@
-
+	$(if $(CONFIG_JSON_ADD_IMAGE_INFO), \
+		DEVICE_ID="$(DEVICE_NAME)" \
+		BIN_DIR="$(BIN_DIR)" \
+		IMAGE_NAME="$(IMAGE_NAME)" \
+		IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
+		IMAGE_PREFIX="$(IMAGE_PREFIX)" \
+		DEVICE_TITLE="$(DEVICE_TITLE)" \
+		TARGET="$(BOARD)" \
+		SUBTARGET="$(SUBTARGET)" \
+		VERSION_NUMBER="$(VERSION_NUMBER)" \
+		VERSION_CODE="$(VERSION_CODE)" \
+		SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
+		$(TOPDIR)/scripts/json_add_image_info.py \
+	)
 endef
 
 define Device/Build/artifact
@@ -542,6 +555,8 @@ define Device/Build/artifact
 endef
 
 define Device/Build
+  $(shell rm -f $(BIN_DIR)/$(IMG_PREFIX)-$(1).json)
+
   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
   $(call Device/Build/kernel,$(1))
 
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