tests: make docker.py check for persistent configs
binfmt_misc configured with the "F" flag opens the interpreter at config time. This means it can use an already open file-descriptor to run QEMU so there is no point trying to copy the binary into a container. Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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@ -127,6 +127,11 @@ def _check_binfmt_misc(executable):
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with open(binfmt_entry) as x: entry = x.read()
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if re.search("flags:.*F.*\n", entry):
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print("binfmt_misc for %s uses persistent(F) mapping to host binary\n" %
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(binary))
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return None
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m = re.search("interpreter (\S+)\n", entry)
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interp = m.group(1)
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if interp and interp != executable:
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