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sample:postinst
Chunhua "Leo" Liao edited this page Mar 20, 2019
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2 revisions
#!/bin/sh
#
# Copyright (c) 2009 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
set -e
# Add icons to the system icons
#---------------------------------------------------------------------------
XDG_ICON_RESOURCE="`which xdg-icon-resource 2> /dev/null || true`"
if [ ! -x "$XDG_ICON_RESOURCE" ]; then
echo "Error: Could not find xdg-icon-resource" >&2
exit 1
fi
for icon in product_logo_256.png product_logo_128.png product_logo_64.png product_logo_22.png product_logo_48.png product_logo_24.png product_logo_16.png product_logo_32.png ; do
size="$(echo ${icon} | sed 's/[^0-9]//g')"
"$XDG_ICON_RESOURCE" install --size "${size}" "/opt/google/chrome/${icon}" \
"google-chrome"
done
UPDATE_MENUS="`which update-menus 2> /dev/null || true`"
if [ -x "$UPDATE_MENUS" ]; then
update-menus
fi
# Update cache of .desktop file MIME types. Non-fatal since it's just a cache.
update-desktop-database > /dev/null 2>&1 || true
# Updates defaults.list file if present.
update_defaults_list() {
# $1: name of the .desktop file
local DEFAULTS_FILE="/usr/share/applications/defaults.list"
if [ ! -f "${DEFAULTS_FILE}" ]; then
return
fi
# Split key-value pair out of MimeType= line from the .desktop file,
# then split semicolon-separated list of mime types (they should not contain
# spaces).
mime_types="$(grep MimeType= /usr/share/applications/${1} |
cut -d '=' -f 2- |
tr ';' ' ')"
for mime_type in ${mime_types}; do
if egrep -q "^${mime_type}=" "${DEFAULTS_FILE}"; then
if ! egrep -q "^${mime_type}=.*${1}" "${DEFAULTS_FILE}"; then
default_apps="$(grep ${mime_type}= "${DEFAULTS_FILE}" |
cut -d '=' -f 2-)"
egrep -v "^${mime_type}=" "${DEFAULTS_FILE}" > "${DEFAULTS_FILE}.new"
echo "${mime_type}=${default_apps};${1}" >> "${DEFAULTS_FILE}.new"
mv "${DEFAULTS_FILE}.new" "${DEFAULTS_FILE}"
fi
else
# If there's no mention of the mime type in the file, add it.
echo "${mime_type}=${1};" >> "${DEFAULTS_FILE}"
fi
done
}
update_defaults_list "google-chrome.desktop"
#---------------------------------------------------------------------------
# This function uses sed to insert the contents of one file into another file,
# after the first line matching a given regular expression. If there is no
# matching line, then the file is unchanged.
insert_after_first_match() {
# $1: file to update
# $2: regular expression
# $3: file to insert
sed -i -e "1,/$2/ {
/$2/ r $3
}" "$1"
}
#---------------------------------------------------------------------------
# If /usr/share/gnome-control-center/default-apps/gnome-default-applications.xml
# exists, it may need to be updated to add ourselves to the default applications
# list. If we find the file and it does not seem to contain our patch already
# (the patch is safe to leave even after uninstall), update it.
GNOME_DFL_APPS=/usr/share/gnome-control-center/default-apps/gnome-default-applications.xml
if [ -f "$GNOME_DFL_APPS" ]; then
# Conditionally insert the contents of the file "default-app-block" after the
# first "<web-browsers>" line we find in gnome-default-applications.xml
fgrep -q "Google Chrome" "$GNOME_DFL_APPS" || insert_after_first_match \
"$GNOME_DFL_APPS" \
"^[ ]*<web-browsers>[ ]*$" \
"/opt/google/chrome/default-app-block"
fi
#---------------------------------------------------------------------------
# Add to the alternatives system
#
# On Ubuntu 12.04, we have the following priorities
# (which can be obtain be installing browsers and running
# update-alternatives --query x-www-browser):
#
# /usr/bin/epiphany-browser 85
# /usr/bin/firefox 40
# /usr/bin/konqueror 30
#
# While we would expect these values to be keyed off the most popular
# browser (Firefox), in practice, we treat Epiphany as the lower bound,
# resulting in the following scheme:
CHANNEL=stable
case $CHANNEL in
stable )
# Good enough to be the default.
PRIORITY=200
;;
beta )
# Almost good enough to be the default. (Firefox stable should arguably be
# higher than this, but since that's below the "Epiphany threshold", we're
# not setting our priority below it. Anyone want to poke Firefox to raise
# their priority?)
PRIORITY=150
;;
unstable )
# Unstable, give it the "lowest" priority.
PRIORITY=120
;;
* )
PRIORITY=0
;;
esac
update-alternatives --install /usr/bin/x-www-browser x-www-browser \
/usr/bin/google-chrome-stable $PRIORITY
update-alternatives --install /usr/bin/gnome-www-browser gnome-www-browser \
/usr/bin/google-chrome-stable $PRIORITY
update-alternatives --install /usr/bin/google-chrome google-chrome \
/usr/bin/google-chrome-stable $PRIORITY
#---------------------------------------------------------------------------
# System-wide package configuration.
DEFAULTS_FILE="/etc/default/google-chrome"
# sources.list setting for google-chrome updates.
REPOCONFIG="deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main"
REPOCONFIGREGEX="deb (\[arch=[^]]*\bamd64\b[^]]*\][[:space:]]*) https?://dl.google.com/linux/chrome/deb/ stable main"
APT_GET="`which apt-get 2> /dev/null`"
APT_CONFIG="`which apt-config 2> /dev/null`"
SOURCES_PREAMBLE="### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost.\n"
#---------------------------------------------------------------------------
# Install the repository/package signing keys, if they aren't already.
# (see also: https://www.google.com/linuxrepositories/)
install_key() {
APT_KEY="`which apt-key 2> /dev/null`"
if [ ! -x "$APT_KEY" ]; then
return
fi
NEED_KEYS=0
# 2016 signing subkey
"$APT_KEY" export 640DB551 2>&1 | \
grep -q -- "-----BEGIN PGP PUBLIC KEY BLOCK-----"
if [ $? -ne 0 ]; then
NEED_KEYS=1
fi
# 2017 signing subkey
"$APT_KEY" export 997C215E 2>&1 | \
grep -q -- "-----BEGIN PGP PUBLIC KEY BLOCK-----"
if [ $? -ne 0 ]; then
NEED_KEYS=1
fi
if [ $NEED_KEYS -eq 1 ]; then
"$APT_KEY" add - >/dev/null 2>&1 <<KEYDATA
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1
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BFmMK6i4fJU+ux17Rgvnc9tDSCzFZ1/4f43EZ41uTmmNXIDsaPCqwjvSS5ICadt2
xeqTWDlzONUpOs5yBjF1cfJSdVxsfshvln2JXUwgIdKl4DLbZybuNFXnPffNLb2v
PtRJHO48O2UbeXS8n27PcuMoLRd7+r7TsqG2vBH4t/cB/1vsvWMbqnQlaJ5VsjeW
Tp8Gv9FJiKuU8PKiWsF4EGR/kAFyCB8QbJeQ6HrOT0CXLOaYHRu2TvJ4taY9doXn
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=lzV/
-----END PGP PUBLIC KEY BLOCK-----
KEYDATA
fi
}
# Set variables for the locations of the apt sources lists.
find_apt_sources() {
eval $("$APT_CONFIG" shell APT_SOURCESDIR 'Dir::Etc::sourceparts/d')
}
#---------------------------------------------------------------------------
# Update the Google repository if it's not set correctly.
# Note: this doesn't necessarily enable the repository, it just makes sure the
# correct settings are available in the sources list.
# Returns:
# 0 - no update necessary
# 2 - error
update_bad_sources() {
if [ ! "$REPOCONFIG" ]; then
return 0
fi
find_apt_sources
SOURCELIST="$APT_SOURCESDIR/google-chrome.list"
# Don't do anything if the file isn't there, since that probably means the
# user disabled it.
if [ ! -r "$SOURCELIST" ]; then
return 0
fi
# Basic check for active configurations (non-blank, non-comment lines).
ACTIVECONFIGS=$(grep -v "^[[:space:]]*\(#.*\)\?$" "$SOURCELIST" 2>/dev/null)
# Check if the correct repository configuration is in there.
REPOMATCH=$(grep -E "^[[:space:]#]*\b$REPOCONFIGREGEX\b" "$SOURCELIST" \
2>/dev/null)
# Check if the correct repository is disabled.
MATCH_DISABLED=$(echo "$REPOMATCH" | grep "^[[:space:]]*#" 2>/dev/null)
# Now figure out if we need to fix things.
BADCONFIG=1
if [ "$REPOMATCH" ]; then
# If it's there and active, that's ideal, so nothing to do.
if [ ! "$MATCH_DISABLED" ]; then
BADCONFIG=0
else
# If it's not active, but neither is anything else, that's fine too.
if [ ! "$ACTIVECONFIGS" ]; then
BADCONFIG=0
fi
fi
fi
if [ $BADCONFIG -eq 0 ]; then
return 0
fi
# At this point, either the correct configuration is completely missing, or
# the wrong configuration is active. In that case, just abandon the mess and
# recreate the file with the correct configuration. If there were no active
# configurations before, create the new configuration disabled.
DISABLE=""
if [ ! "$ACTIVECONFIGS" ]; then
DISABLE="#"
fi
printf "$SOURCES_PREAMBLE" > "$SOURCELIST"
printf "$DISABLE$REPOCONFIG\n" >> "$SOURCELIST"
if [ $? -eq 0 ]; then
return 0
fi
return 2
}
#---------------------------------------------------------------------------
# Add the Google repository to the apt sources.
# Returns:
# 0 - sources list was created
# 2 - error
create_sources_lists() {
if [ ! "$REPOCONFIG" ]; then
return 0
fi
find_apt_sources
SOURCELIST="$APT_SOURCESDIR/google-chrome.list"
if [ -d "$APT_SOURCESDIR" ]; then
printf "$SOURCES_PREAMBLE" > "$SOURCELIST"
printf "$REPOCONFIG\n" >> "$SOURCELIST"
if [ $? -eq 0 ]; then
return 0
fi
fi
return 2
}
#---------------------------------------------------------------------------
# Remove our custom sources list file.
# Returns:
# 0 - successfully removed, or not configured
# !0 - failed to remove
clean_sources_lists() {
if [ ! "$REPOCONFIG" ]; then
return 0
fi
find_apt_sources
rm -f "$APT_SOURCESDIR/google-chrome.list" \
"$APT_SOURCESDIR/google-chrome-stable.list"
}
#---------------------------------------------------------------------------
# Detect if the repo config was disabled by distro upgrade and enable if
# necessary.
handle_distro_upgrade() {
if [ ! "$REPOCONFIG" ]; then
return 0
fi
find_apt_sources
SOURCELIST="$APT_SOURCESDIR/google-chrome.list"
if [ -r "$SOURCELIST" ]; then
REPOLINE=$(grep -E "^[[:space:]]*#[[:space:]]*$REPOCONFIGREGEX[[:space:]]*# disabled on upgrade to .*" "$SOURCELIST")
if [ $? -eq 0 ]; then
sed -i -e "s,^[[:space:]]*#[[:space:]]*\(.*\)[[:space:]]*# disabled on upgrade to .*,\1," \
"$SOURCELIST"
LOGGER=$(which logger 2> /dev/null)
if [ "$LOGGER" ]; then
"$LOGGER" -t "$0" "Reverted repository modification: $REPOLINE."
fi
fi
fi
}
DEFAULT_ARCH="amd64"
get_lib_dir() {
if [ "$DEFAULT_ARCH" = "i386" ]; then
LIBDIR=lib/i386-linux-gnu
elif [ "$DEFAULT_ARCH" = "amd64" ]; then
LIBDIR=lib/x86_64-linux-gnu
else
echo Unknown CPU Architecture: "$DEFAULT_ARCH"
exit 1
fi
}
NSS_FILES="libnspr4.so.0d libplds4.so.0d libplc4.so.0d libssl3.so.1d \
libnss3.so.1d libsmime3.so.1d libnssutil3.so.1d"
add_nss_symlinks() {
get_lib_dir
for f in $NSS_FILES
do
target=$(echo $f | sed 's/\.[01]d$//')
if [ -f "/$LIBDIR/$target" ]; then
ln -snf "/$LIBDIR/$target" "/opt/google/chrome/$f"
elif [ -f "/usr/$LIBDIR/$target" ]; then
ln -snf "/usr/$LIBDIR/$target" "/opt/google/chrome/$f"
else
echo $f not found in "/$LIBDIR/$target" or "/usr/$LIBDIR/$target".
exit 1
fi
done
}
remove_nss_symlinks() {
for f in $NSS_FILES
do
rm -rf "/opt/google/chrome/$f"
done
}
remove_udev_symlinks() {
rm -rf "/opt/google/chrome/libudev.so.0"
}
remove_udev_symlinks
## MAIN ##
if [ ! -e "$DEFAULTS_FILE" ]; then
echo 'repo_add_once="true"' > "$DEFAULTS_FILE"
echo 'repo_reenable_on_distupgrade="true"' >> "$DEFAULTS_FILE"
fi
# Run the cron job immediately to perform repository configuration.
nohup sh /etc/cron.daily/google-chrome > /dev/null 2>&1 &