postinst is in mlocate 0.26-1ubuntu2.
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 17 18 19 20 21 22 | #! /bin/sh
set -e
GROUP="mlocate"
if [ "$1" = "configure" ]; then
update-alternatives --install /usr/bin/locate locate /usr/bin/mlocate 80 \
--slave /usr/share/man/man1/locate.1.gz locate.1.gz /usr/share/man/man1/mlocate.1.gz \
--slave /usr/bin/updatedb updatedb /usr/bin/updatedb.mlocate
if ! sg "$GROUP" true 2>/dev/null; then
addgroup --system "$GROUP"
fi
if ! dpkg-statoverride --list /usr/bin/mlocate >/dev/null 2>&1; then
dpkg-statoverride --update --add root "$GROUP" 2755 /usr/bin/mlocate
fi
fi
# Obsolete file, this can be dropped post-jessie.
rm -f /var/lib/mlocate/daily.lock
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