Follow-up Comment #2, bug #56410 (project findutils):
The -L option affects the way that "find" treats symbolic links. But it has
no effect on the "file" program run by -exec. {} expands to the file that
"find" is currently considering, which is in this case is a symbolic link.
Tests made by find on properties will reflect the properties of the file
pointed to by find, but {} will expand to the name of the symbolic link (and
not its target).
Here is a shell script which I think demonstrates the point you were trying to
make, but without requiring root privileges.
#!/bin/bash
set -u
if ! top="$(mktemp -d)"; then
echo "Failed to create a temporary directory" >&2
exit 1
fi
(
set -eCux
cd "${top}"
mkdir temp temp2
echo "test" >| temp/file0.txt
( cd temp2 && ln -s ../temp/file0.txt file )
if wc -c < temp2/file >/dev/null ; then
exit 1
fi
find -L temp2/ -type f -exec file '{}' \;
)
rv=$?
ls -ltR "${top}"
rm -rf "${top}"
exit $rv
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