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wic: Preserve intermediate files

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When debugging issues or trying to add new features in wic it's useful
to examine the intermediate files created by the tool such as images of
the individual partitions. Previously these files were created in a
subdirectory of IMGDEPLOYDIR and, deleted by wic itself and then the
working subdirectory completely removed at the end of IMAGE_CMD_wic.
Instead we should work in a staging directory named build-wic and leave
behind intermediate files for analysis if necessary.

This has the added benefit of allowing individual partition images to
be preserved by adding commands to IMAGE_CMD_wic_append() in an image
recipe if needed. This is useful where an update system requires exact
sized and pre-formatted partition images for deployment.

(From OE-Core rev: 07b6b284204e912b5d08bdd0ca51b766ab7dd9c1)

Signed-off-by: Paul Barker <pbarker@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Barker
2020-01-08 11:25:45 +00:00
committed by Richard Purdie
parent 4ea31c2ea4
commit ab6e8dae1e
2 changed files with 5 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
meta/classes/image_types_wic.bbclass
View File

@@ -27,16 +27,17 @@ WIC_CREATE_EXTRA_ARGS ?= ""
IMAGE_CMD_wic () {
out="${IMGDEPLOYDIR}/${IMAGE_NAME}"
build_wic="${WORKDIR}/build-wic"
wks="${WKS_FULL_PATH}"
if [ -z "$wks" ]; then
bbfatal "No kickstart files from WKS_FILES were found: ${WKS_FILES}. Please set WKS_FILE or WKS_FILES appropriately."
fi
BUILDDIR="${TOPDIR}" wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$out/" ${WIC_CREATE_EXTRA_ARGS}
mv "$out/$(basename "${wks%.wks}")"*.direct "$out${IMAGE_NAME_SUFFIX}.wic"
rm -rf "$out/"
BUILDDIR="${TOPDIR}" wic create "$wks" --vars "${STAGING_DIR}/${MACHINE}/imgdata/" -e "${IMAGE_BASENAME}" -o "$build_wic/" ${WIC_CREATE_EXTRA_ARGS}
mv "$build_wic/$(basename "${wks%.wks}")"*.direct "$out${IMAGE_NAME_SUFFIX}.wic"
}
IMAGE_CMD_wic[vardepsexclude] = "WKS_FULL_PATH WKS_FILES TOPDIR"
do_image_wic[cleandirs] = "${WORKDIR}/build-wic"
# Rebuild when the wks file or vars in WICVARS change
USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s' % c for c in '${CONVERSIONTYPES}'.split()), '1', '', d)}"

4
scripts/lib/wic/plugins/imager/direct.py
View File

@@ -580,9 +580,7 @@ class PartitionedImage():
self.native_sysroot)
def cleanup(self):
# remove partition images
for image in set(self.partimages):
os.remove(image)
pass
def assemble(self):
logger.debug("Installing partitions")