Matthijs Kooijman wrote: > after spending quite some time on debugging a nullmailer postinst issue, > I discovered that debconf's db_set chokes when multi-line values are > passed to it (in this particular case, /etc/mailname contained two > lines, and db_set shared/mailname "`cat /etc/mailname`" was called). > > I'm not quite sure if multi-line values should be supported (the manual > doesn't seem to mention supporting it, nor requiring that values be > single line). > > Right now, if a multiline value is passed to db_set, it simply sends it > over causing debconf to interpret the second line as an invalid command, > breaking the rest of the script (due to a desync in command/responses). > This can be reproduced with the following script (for some reason I > needed to db_get's after the broken db_set, not sure why that is, the > original case used a db_set).
You need to use debconf-escape to handle cases like these. It could be documented/integrated better. -- see shy jo
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