Lintian tag information: maintainer-script-ignores-errors (type: warning)

Description (from lintian-explain-tags)

The maintainer script doesn't seem to set the -e flag which ensures that
the script's execution is aborted when any executed command fails.

Please refer to Scripts (Section 10.4) in the Debian Policy Manual for
details.

Visibility: warning
Show-Always: no
Check: scripts

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