Bug#527566: #527566 mediatomb-daemon: Installation error due to postinst script

[Peter Palfrader]

On Tue, 02 Jun 2009, Alban Browaeys wrote:

> And there seems to be a bug in the mv_db is triggers:
> [ -e /var/lib/mediatomb/sqlite3.db ] && \
>         cp --preserve /var/lib/mediatomb/sqlite3.db /var/lib/mediatomb/mediatomb.db 
> alsways returns 1 which errors out the postinst. Adding
> "|| return 0"
> at the end of it helps. Probably adding parenthesis around to avoid it applying to the "cp" would be good.

The usual approach for this is to either do:

! [ -e file ] || cp file target

or plain old ifs:
if [ -e file ]; then
	cp file target
fi

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