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base-files: validate metadata of sysupgrade images

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Use fwtool to extract it, only require metadata to be present if the
platform sysupgrade script sets REQUIRE_IMAGE_METADATA=1

Image metadata is in JSON format and contains a list of supported
devices, along with version information that could be displayed by a UI
later before the actual upgrade happens.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2016-11-14 17:30:51 +01:00
parent 929641fa1f
commit cc853810a4
3 changed files with 43 additions and 2 deletions
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3
package/base-files/files/sbin/sysupgrade
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@@ -128,7 +128,8 @@ add_overlayfiles() {
}
# hooks
sysupgrade_image_check="platform_check_image"
sysupgrade_image_check="fwtool_check_image platform_check_image"
sysupgrade_pre_upgrade="fwtool_pre_upgrade"
[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
sysupgrade_init_conffiles="add_uci_conffiles" || \
sysupgrade_init_conffiles="add_overlayfiles"