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authorRobert Yang <liezhi.yang@windriver.com>2016-10-31 08:48:58 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-11-06 23:35:16 +0000
commitf4d70bb0882eec4fb46cd942f2796fad57c72982 (patch)
tree0ffd2b48143b49335c4cb3b052fa94f72fdac952 /meta/recipes-core/systemd
parent5199b990edf4d9784c19137d0ce9ef141cd85e46 (diff)
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oe/copy_buildsystem.py: dereference symlink
When there is a relative symlink in the layer, for example: symA -> ../out/of/layer/file symA will be invalid fater copied, it would be invalid from build time if it points to a relative path, and would be invalid after extracted the sdk if it points to a absolute py. Dereference symlink when copy will fix the problem. Use tar rather than shutil.copytree() to copy is because: 1) shutil.copytree(symlinks=Fasle) has bugs when dereference symlinks: https://bugs.python.org/issue21697 And Ubunutu 1404 doesn't upgrade python3 to fix the problem. 2) shutil.copytree(symlinks=False) raises errors when there is a invalid symlink, and tar just prints a warning, tar is preferred here since the real world is unpredicatable 3) tar is faster than shutil.copytree() as said by oe.path.copytree() So use tar to copy. Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
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