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image_types.bbclass: ignore tar exit code 1

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tar exists with 1 and produces warning "file changed as we read it"
if content is changed while tar archives it. Even hardlinking content
causes tar to fail this way as it changes file ctime.

Other tasks running in parallel with do_image_tar may need to hardlink
rootfs content in order to change it, e.g. do_image_wic does this to
update etc/fstab.

Ignored tar exit code 1 to be able to hardlink rootfs content while
do_rootfs_tar is tarring it.

[RP: Removed bashism]

(From OE-Core rev: 402b4cffbb4c58cfee93db18192f2b218ee0ae35)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ed Bartosh
2017-07-28 12:29:22 +03:00
committed by Richard Purdie
parent 373ea52b89
commit a9cab2f0ed
1 changed files with 2 additions and 1 deletions
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meta/classes/image_types.bbclass
+2 -1
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@@ -119,7 +119,8 @@ IMAGE_CMD_squashfs-lzo = "mksquashfs ${IMAGE_ROOTFS} ${IMGDEPLOYDIR}/${IMAGE_NAM
# In practice, it turned out to be not needed when creating archives and
# required when extracting, but it seems prudent to use it in both cases.
IMAGE_CMD_TAR ?= "tar"
IMAGE_CMD_tar = "${IMAGE_CMD_TAR} -cvf ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar -C ${IMAGE_ROOTFS} ."
# ignore return code 1 "file changed as we read it" as other tasks(e.g. do_image_wic) may be hardlinking rootfs
IMAGE_CMD_tar = "${IMAGE_CMD_TAR} -cf ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.tar -C ${IMAGE_ROOTFS} . || [ $? -eq 1 ]"
do_image_cpio[cleandirs] += "${WORKDIR}/cpio_append"
IMAGE_CMD_cpio () {