preinst is in firefox 11.0+build1-0ubuntu4.
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 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #!/bin/sh
set -e
APP_DIR="/etc/apparmor.d"
APP_PROFILE="usr.bin.firefox"
APP_CONFFILE="$APP_DIR/$APP_PROFILE"
APP_DISABLE="$APP_DIR/disable/$APP_PROFILE"
APP_NAME=firefox
MOZ_LIBDIR=/usr/lib/firefox
# Prepare to move a conffile without triggering a dpkg question
prepare_mv_conffile() {
local PKGNAME="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
#'
if [ "$md5sum" = "$old_md5sum" ]; then
mv -f "$CONFFILE" "$CONFFILE.dpkg-remove"
fi
}
prepare_rm_conffile() {
local PACKAGE="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PACKAGE | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE.dpkg-backup"
else
echo "Moving obsolete conffile $CONFFILE out of the way..."
mv -f "$CONFFILE" "$CONFFILE.dpkg-remove"
fi
}
disable_profile() {
# Create a symlink to the yet-to-be-unpacked profile
if [ ! -e "$APP_CONFFILE" ]; then
mkdir -p `dirname $APP_DISABLE` 2>/dev/null || true
ln -sf $APP_CONFFILE $APP_DISABLE
fi
}
if [ "$1" = "install" ] || [ "$1" = "upgrade" ] ; then
# Unconditionally disable AppArmor profile for Ubuntu 9.04 and under, since
# it requires abstractions found only in 9.10 and higher.
major=`lsb_release -r | awk '{print $2}' | cut -d '.' -f 1`
version=`lsb_release -r | awk '{print $2}'`
if [ "$major" -lt 10 ] && [ "$version" != "9.10" ]; then
disable_profile
else
if [ "$1" = "install" ]; then
# Disable AppArmor profile on install, unless the last profile they
# modified is enabled.
base=`echo $APP_PROFILE | cut -d '-' -f 1`
last_modified=`ls -rt $APP_DIR/$base* 2>/dev/null | grep -v '\.dpkg' | tail -n1`
if [ -s "$last_modified" ]; then
if [ -e "$APP_DIR/disable/`basename $last_modified`" ]; then
disable_profile
fi
else
# Fresh install and no other firefox profiles exist, so disable.
disable_profile
fi
elif [ "$1" = "upgrade" ]; then
# Disable AppArmor on upgrade from earlier than when we first shipped
# the profile if the user does not already have a profile defined.
if dpkg --compare-versions "$2" lt "3.7~a1~hg20091203" ; then
disable_profile
fi
fi
fi
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/bookmarks.html"
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/localstore.rdf"
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/mimeTypes.rdf"
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/prefs.js"
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/chrome/userChrome-example.css"
prepare_rm_conffile "${APP_NAME}" "/etc/${APP_NAME}/profile/chrome/userContent-example.css"
prepare_mv_conffile "${APP_NAME}" "/etc/${APP_NAME}/pref/firefox.js"
# ${LIBDIR}/distribution was a symlink in 11.10
if [ -h ${MOZ_LIBDIR}/distribution ] ; then
rm -f ${MOZ_LIBDIR}/distribution
fi
# 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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