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Bug#291026: One more tweak

reopen 291026
severity 291026 minor

First of all, thanks for addressing the issue.

Version of policy section contains this code as an
example of how to test for the availability of a utility:

    if which invoke-rc.d >/dev/null 2>&1; then

As I mentioned earlier, I think that policy would do a bit better to
follow the example of debhelper and test the executability of the file
reported by which.  As discussed before, the which program sometimes
prints filenames that don't have their executable bits set.  The
resulting code is not much more complex.

    if [ -x "$(which invoke-rc.d 2>/dev/null)" ] ; then

Obviously this is a minor issue, though.
Thomas Hood <jdthood@aglu.demon.nl>

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