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image.py: set bitbake variable ROOTFS_SIZE

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This variable is going to be used by wic to set partition
size. Setting it in image.py makes it possible for wic to
use it without calculating it again.

(From OE-Core rev: af37bb8ae71c4f932e2126bb620b3fb2b11cc466)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ed Bartosh authored and Richard Purdie committed 2015-08-30 12:36:09 +01:00
1 parent 8313ceae26
commit 5bcc423953
1 file changed
+3 -1
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meta/lib/oe/image.py
+3 -1
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@@ -262,14 +262,16 @@ class Image(ImageDepGraph):
def _write_script(self, type, cmds):
tempdir = self.d.getVar('T', True)
script_name = os.path.join(tempdir, "create_image." + type)
rootfs_size = self._get_rootfs_size()
self.d.setVar('img_creation_func', '\n'.join(cmds))
self.d.setVarFlag('img_creation_func', 'func', 1)
self.d.setVarFlag('img_creation_func', 'fakeroot', 1)
self.d.setVar('ROOTFS_SIZE', str(rootfs_size))
with open(script_name, "w+") as script:
script.write("%s" % bb.build.shell_trap_code())
script.write("export ROOTFS_SIZE=%d\n" % self._get_rootfs_size())
script.write("export ROOTFS_SIZE=%d\n" % rootfs_size)
bb.data.emit_func('img_creation_func', script, self.d)
script.write("img_creation_func\n")