From 74450124f606cb04bdd44684b6070a15dd0837bd Mon Sep 17 00:00:00 2001
From: Michal Hrusecky <Michal@Hrusecky.net>
Date: Wed, 17 Jan 2018 13:25:43 +0100
Subject: build: Optionally provide file checksums in package metadata

This may be useful if you don't entirely trust your flash and want to be able
to check for corruptions.

Signed-off-by: Michal Hrusecky <Michal@Hrusecky.net>
---
 include/package-ipkg.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'include')

diff --git a/include/package-ipkg.mk b/include/package-ipkg.mk
index 200a5cf4eb..dc05eefc7c 100644
--- a/include/package-ipkg.mk
+++ b/include/package-ipkg.mk
@@ -199,6 +199,15 @@ $(_endef)
 	$(CheckDependencies)
 
 	$(RSTRIP) $$(IDIR_$(1))
+
+    ifneq ($$(CONFIG_IPK_FILES_CHECKSUMS),)
+	(cd $$(IDIR_$(1)); \
+		( \
+			find . -type f \! -path ./CONTROL/\* -exec sha256sum \{\} \; 2> /dev/null | \
+			sed 's|\([[:blank:]]\)\./|\1/|' > $$(IDIR_$(1))/CONTROL/files-sha256 \
+		) || true \
+	)
+    endif
 	(cd $$(IDIR_$(1))/CONTROL; \
 		( \
 			echo "$$$$CONTROL"; \
-- 
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