[Koha-bugs] [Bug 16749] Additional fixes for debian scripts

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16749

Marcel de Rooy <m.de.rooy at rijksmuseum.nl> changed:

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--- Comment #30 from Marcel de Rooy <m.de.rooy at rijksmuseum.nl> ---
Created attachment 60129
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=60129&action=edit
Bug 16749: Adjust xmlstarlet calls in koha-functions

In various scripts we use xmlstarlet to extract values from koha-conf.
If we call xmlstarlet on non-existing entries in koha-conf, this may
however result in silently failing scripts (when set -e is in effect).

A function run_safe_xmlstarlet is added for situations where the entry
might not exist. It will not halt execution.

This patch only adjusts koha-functions.sh and modifies the xmlstarlet calls
for dev_install and zebra_loglevels.

Note: The function does not need to check file existence. If the file does
not exist, xmlstarlet warns about it; the function returns empty string,
but does not set an error exit status.

Test plan: See second patch ("koha-plack adjustments").

Signed-off-by: Marcel de Rooy <m.de.rooy at rijksmuseum.nl>

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