[openwrt/openwrt] build/json: generate json file for initramfs

[LEDE Commits]

zorun pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/4419c3dcd3fbaa7b51239c90784af03af2c2c911

commit 4419c3dcd3fbaa7b51239c90784af03af2c2c911
Author: Moritz Warning <moritzwarning at web.de>
AuthorDate: Sat Jan 9 00:02:57 2021 +0100

    build/json: generate json file for initramfs
    
    The initramfs images are missing from the profiles.json files.
    
    Signed-off-by: Moritz Warning <moritzwarning at web.de>
    [fix code by exporting device variables]
    Signed-off-by: Paul Spooren <mail at aparcar.org>
    (cherry picked from commit d3140d05296461deddaaa8ca2ce4a4a97a320eff)
---
 include/image.mk | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/include/image.mk b/include/image.mk
index 2530108211..e602f2f4e9 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -472,7 +472,8 @@ endef
 ifndef IB
 define Device/Build/initramfs
   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
-  $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
+  $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)) \
+	  $$(if $$(CONFIG_JSON_OVERVIEW_IMAGE_INFO), $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,)
 
   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
@@ -481,6 +482,38 @@ define Device/Build/initramfs
   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 	@rm -f $$@
 	$$(call concat_cmd,$$(KERNEL_INITRAMFS))
+
+  $(call Device/Export,$(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,$(1))
+
+  $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
+	@mkdir -p $$(shell dirname $$@)
+	DEVICE_ID="$(1)" \
+	BIN_DIR="$(BIN_DIR)" \
+	SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
+	IMAGE_NAME="$$(notdir $$^)" \
+	IMAGE_TYPE="kernel" \
+	IMAGE_FILESYSTEM="initramfs" \
+	IMAGE_PREFIX="$$(IMAGE_PREFIX)" \
+	DEVICE_VENDOR="$$(DEVICE_VENDOR)" \
+	DEVICE_MODEL="$$(DEVICE_MODEL)" \
+	DEVICE_VARIANT="$$(DEVICE_VARIANT)" \
+	DEVICE_ALT0_VENDOR="$$(DEVICE_ALT0_VENDOR)" \
+	DEVICE_ALT0_MODEL="$$(DEVICE_ALT0_MODEL)" \
+	DEVICE_ALT0_VARIANT="$$(DEVICE_ALT0_VARIANT)" \
+	DEVICE_ALT1_VENDOR="$$(DEVICE_ALT1_VENDOR)" \
+	DEVICE_ALT1_MODEL="$$(DEVICE_ALT1_MODEL)" \
+	DEVICE_ALT1_VARIANT="$$(DEVICE_ALT1_VARIANT)" \
+	DEVICE_ALT2_VENDOR="$$(DEVICE_ALT2_VENDOR)" \
+	DEVICE_ALT2_MODEL="$$(DEVICE_ALT2_MODEL)" \
+	DEVICE_ALT2_VARIANT="$$(DEVICE_ALT2_VARIANT)" \
+	DEVICE_TITLE="$$(DEVICE_TITLE)" \
+	DEVICE_PACKAGES="$$(DEVICE_PACKAGES)" \
+	TARGET="$(BOARD)" \
+	SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
+	VERSION_NUMBER="$(VERSION_NUMBER)" \
+	VERSION_CODE="$(VERSION_CODE)" \
+	SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
+	$(TOPDIR)/scripts/json_add_image_info.py $$@
 endef
 endif