preinst is in firefox-locale-br 45.0.2+build1-0ubuntu1.
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 | #!/bin/sh
set -e
MOZ_APP_NAME=firefox
MOZ_LIBDIR=/usr/lib/firefox
MOZ_ADDONDIR=/usr/lib/firefox-addons
if [ "$1" = "install" ] || [ "$1" = "upgrade" ] ; then
# Keep until 12.04 is EOL
# ${LIBDIR}/distribution was a symlink in 11.10
if [ -h ${MOZ_LIBDIR}/distribution ] ; then
rm -f ${MOZ_LIBDIR}/distribution
fi
# Keep until 12.04 is EOL
# This used to be a symlink
if [ -h ${MOZ_LIBDIR}/distribution/searchplugins ]; then
rm -f ${MOZ_LIBDIR}/distribution/searchplugins
fi
fi
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