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#!/usr/bin/env sh
#
# Installs the latest Tor Browser stable or alpha
#
# Parameters
BASENAME="$0"
SHARE="$1"
LIB="$2"
# Additional parameters
DIST="https://dist.torproject.org/torbrowser/"
WORK="`mktemp -d`" || exit 1
ARCH="`uname -m`"
# Determine the application name
if echo $BASENAME | grep -q 'tor-browser-alpha'; then
APP="tor-browser-alpha"
else
APP="tor-browser"
fi
# Include basic functions
. $LIB/trashman/functions || exit 1
# Requirements
trashman_require wget lynx gpg tar xz
# Determine the current version filter
if [ "$APP" = "tor-browser" ]; then
VERSION_FILTER="-v"
fi
# Try to get the current version
# Use a large (10000) number for grep to make sure we get all available versions
VERSION="`LC_ALL=C lynx -dump https://dist.torproject.org/torbrowser/ 2> /dev/null | grep -A 10000 References | grep -e 'torbrowser' | grep -v '?' | sort -V | sed -e 's|^.*dist.torproject.org/torbrowser/||' -e 's|/||g' | grep $VERSION_FILTER a | tail -n 1`"
# Check for available versions
if [ -z "$VERSION" ]; then
trashman_echo "error determining the available $APP version, aborting"
exit 1
fi
# Build the URL and filename strings
URL="${DIST}/${VERSION}/"
FILE="tor-browser-linux-${ARCH}-${VERSION}.tar.xz"
# Download
wget "$URL/$FILE" -O $WORK/$FILE || exit 1
wget "$URL/$FILE.asc" -O $WORK/$FILE.asc || exit 1
# Verify
gpg --homedir $WORK/.gnupg --import $SHARE/$APP/unix/linux/files/$APP.asc || exit 1
gpg --homedir $WORK/.gnupg --verify $WORK/$FILE.asc || exit 1
rm -rf $WORK/.gnupg || exit 1
# Unpack
tar xvf $WORK/$FILE -C $WORK || exit 1
# Install
mkdir -p $HOME/.local/share || exit 1
cd $HOME/.local/share || exit 1
rm -rf $APP/$ARCH/latest || exit 1
mkdir -p $APP/$ARCH || exit 1
mv $WORK/tor-browser $APP/$ARCH/latest || exit 1
rm -rf $WORK || exit 1
# Create symlink to scripts
mkdir -p $HOME/.local/bin || exit 1
cd $HOME/.local/bin || exit 1
ln -sf $HOME/.local/share/$APP/$ARCH/latest/Browser/start-tor-browser $APP-${ARCH} || exit 1
# Remove old symlink to the Tor Browser script
rm -f $HOME/.local/bin/$APP
# Done
trashman_installed_at $HOME/.local/share/$APP/$ARCH/latest
trashman_run_with $HOME/.local/bin/$APP-$ARCH
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