preinst is in zentyal-core 2.3.21+quantal1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | #!/bin/bash
set -e
SUDOERS=/etc/sudoers
INCLUDE="
# sudoers.d included by Zentyal Server, read /etc/sudoers.d/README
#
#includedir /etc/sudoers.d"
if ! grep -q "^#includedir /etc/sudoers.d" "$SUDOERS"; then
echo "$INCLUDE" >> "$SUDOERS"
fi
exit 0
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