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image_types_wic.bbclass: Copy the .wks and .env files to deploy image dir

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When using a .wks.in file, the only place that the generated .wks file
exists in the tmp/work area.  A copy should be left behind in the
deploy directory so that you can easily run the wic tool to
re-generate or modify a new image without running bitbake.  Custom
.wks.in files can reference any number of bitbake variables, so it is
important to save the result.

below is an example of using the generated .wks file in the deploy
area.  The full name of my generated .wks file was
core-image-minimal-ostree-uboot-ab.wks, but since you usually only
have a single .wks file per image you can use a wild card like:

  cd tmp*/deploy/images/*
  wic create --vars . -e core-image-minimal -s -m core-image-minimal-*.wks

(From OE-Core rev: 42293d75404486e20db9f7a80d0d1756887b576d)

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jason Wessel
2019-08-08 13:23:57 -07:00
committed by Richard Purdie
parent 359d61067a
commit b209d4117d
1 changed files with 10 additions and 1 deletions
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11
meta/classes/image_types_wic.bbclass
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@@ -77,6 +77,11 @@ python do_write_wks_template () {
wks_file = d.getVar('WKS_FULL_PATH')
with open(wks_file, 'w') as f:
f.write(template_body)
f.close()
# Copy the finalized wks file to the deploy directory for later use
depdir = d.getVar('IMGDEPLOYDIR')
basename = d.getVar('IMAGE_BASENAME')
bb.utils.copyfile(wks_file, "%s/%s" % (depdir, basename + '-' + os.path.basename(wks_file)))
}
python () {
@@ -105,7 +110,7 @@ python () {
# file in process_wks_template as well, so just put it in
# a variable and let the metadata deal with the deps.
d.setVar('_WKS_TEMPLATE', body)
bb.build.addtask('do_write_wks_template', 'do_image_wic', None, d)
bb.build.addtask('do_write_wks_template', 'do_image_wic', 'do_image', d)
bb.build.addtask('do_image_wic', 'do_image_complete', None, d)
}
@@ -127,6 +132,10 @@ python do_rootfs_wicenv () {
value = d.getVar(var)
if value:
envf.write('%s="%s"\n' % (var, value.strip()))
envf.close()
# Copy .env file to deploy directory for later use with stand alone wic
depdir = d.getVar('IMGDEPLOYDIR')
bb.utils.copyfile(os.path.join(outdir, basename) + '.env', os.path.join(depdir, basename) + '.env')
}
addtask do_rootfs_wicenv after do_image before do_image_wic
do_rootfs_wicenv[vardeps] += "${WICVARS}"