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do_image_cpio: Improve reproducibility

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Find lists files in the order that the filesystem has registered them,
which can vary. Adding a sort should have minimal performance impact.
Also use the --reproducible option to cpio.

(From OE-Core rev: 930c1f69c928e21bda6bef7aad926d335195e107)

Signed-off-by: Ernst Sjöstrand <ernst.sjostrand@verisure.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ernst Sjöstrand
2019-11-25 05:41:41 +00:00
committed by Richard Purdie
parent 95bd5a3961
commit 051cfa77c5
1 changed files with 1 additions and 1 deletions
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meta/classes/image_types.bbclass
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@@ -128,7 +128,7 @@ IMAGE_CMD_tar = "${IMAGE_CMD_TAR} --numeric-owner -cf ${IMGDEPLOYDIR}/${IMAGE_NA
do_image_cpio[cleandirs] += "${WORKDIR}/cpio_append"
IMAGE_CMD_cpio () {
(cd ${IMAGE_ROOTFS} && find . | cpio -o -H newc >${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.cpio)
(cd ${IMAGE_ROOTFS} && find . | sort | cpio --reproducible -o -H newc >${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.cpio)
# We only need the /init symlink if we're building the real
# image. The -dbg image doesn't need it! By being clever
# about this we also avoid 'touch' below failing, as it