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build: store SOURCE_DATE_EPOCH in JSON info files

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The source date epoch is the only reproducible date close to the actual
build date. It can be used for tooling like the firmware wizard to show
the image age.

Signed-off-by: Paul Spooren <mail@aparcar.org>
(cherry picked from commit 165f0b00cdd2f763c1d478c2f58c535fc19b13bd)
[store source_date_epoch as integer]
Signed-off-by: Paul Spooren <mail@aparcar.org>
This commit is contained in:
Paul Spooren 2020-11-01 11:53:39 -10:00
parent 57293f51c4
commit 524cbcf6f5
2 changed files with 2 additions and 0 deletions

1
include/image.mk

@ -532,6 +532,7 @@ define Device/Build/image
@mkdir -p $$(shell dirname $$@)
DEVICE_ID="$(DEVICE_NAME)" \
BIN_DIR="$(BIN_DIR)" \
SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
IMAGE_NAME="$(IMAGE_NAME)" \
IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
IMAGE_FILESYSTEM="$(1)" \

1
scripts/json_add_image_info.py

@ -31,6 +31,7 @@ image_info = {
"target": "{}/{}".format(getenv("TARGET"), getenv("SUBTARGET")),
"version_code": getenv("VERSION_CODE"),
"version_number": getenv("VERSION_NUMBER"),
"source_date_epoch": int(getenv("SOURCE_DATE_EPOCH")),
"profiles": {
device_id: {
"image_prefix": getenv("IMAGE_PREFIX"),