While it is important we chase down the symlinks to copy the correct
data we can confuse the kernel by renaming the interpreter to what is
in the binary. Extend _copy_with_mkdir to preserve the original name
of the file when asked.
Fixes: 5e33f7fead ("tests/docker: better handle symlinked libs")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210202134001.25738-5-alex.bennee@linaro.org>