Improved installer script for Linux
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118be15f10
commit
1e8b049913
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@ -1,24 +1,48 @@
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#!/bin/bash
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# Install the Second Life Viewer. This script can install the viewer both
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# system-wide and for an individual user.
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# Enhanced Firestorm Viewer Installation Script
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# Features:
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# - Creates a timestamped backup of existing installation
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# - Allows installation with custom suffixes for parallel versions (e.g., beta, release, debug)
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# - Supports both system-wide and user-specific installations
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# - Provides command-line options for flexibility
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# ANSI color codes for styling
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VT102_STYLE_NORMAL='\E[0m'
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VT102_COLOR_RED='\E[31m'
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SCRIPTSRC=`readlink -f "$0" || echo "$0"`
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RUN_PATH=`dirname "${SCRIPTSRC}" || echo .`
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tarball_path=${RUN_PATH}
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# Resolve the script's directory
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SCRIPTSRC=$(readlink -f "$0" || echo "$0")
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RUN_PATH=$(dirname "${SCRIPTSRC}" || echo .)
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tarball_path="${RUN_PATH}"
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function prompt()
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{
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local prompt=$1
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# Default installation directories
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DEFAULT_SYSTEM_INSTALL_DIR="/opt/firestorm"
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DEFAULT_USER_INSTALL_DIR="$HOME/firestorm"
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# Backup directory base
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BACKUP_BASE_DIR="${DEFAULT_SYSTEM_INSTALL_DIR}_backups"
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# Function to display usage information
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usage() {
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echo "Usage: $0 [OPTIONS]"
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echo ""
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echo "Options:"
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echo " --suffix <suffix> Append a suffix to the installation directory (e.g., beta, release, debug)"
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echo " --install-dir <directory> Specify a custom installation directory"
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echo " --help, -h Display this help message"
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exit 1
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}
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# Function to prompt the user with a yes/no question
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prompt() {
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local prompt_message="$1"
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local input
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echo -n "$prompt"
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echo -n "$prompt_message"
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while read input; do
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case $input in
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while read -r input; do
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case "$input" in
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[Yy]* )
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return 1
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;;
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@ -27,80 +51,179 @@ function prompt()
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;;
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* )
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echo "Please enter yes or no."
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echo -n "$prompt"
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echo -n "$prompt_message"
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;;
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esac
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done
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}
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function die()
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{
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warn $1
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# Function to display warning messages in red
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warn() {
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echo -e "${VT102_COLOR_RED}$1${VT102_STYLE_NORMAL}"
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}
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# Function to exit the script with a warning message
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die() {
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warn "$1"
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exit 1
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}
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function warn()
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{
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echo -n -e $VT102_COLOR_RED
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echo $1
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echo -n -e $VT102_STYLE_NORMAL
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# Function to create a timestamped backup of the existing installation
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backup_previous_installation() {
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local install_dir="$1"
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local timestamp=$(date +"%Y%m%d_%H%M%S")
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local backup_dir="${install_dir}-${timestamp}"
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echo " - Backing up previous installation from ${install_dir} to ${backup_dir}"
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mv "$install_dir" "$backup_dir" || die "Failed to create backup of existing installation!"
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echo " - Backup created successfully."
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}
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function homedir_install()
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{
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# Function to install Firestorm Viewer to the specified directory
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install_to_prefix() {
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local install_prefix="$1"
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# Check if the installation directory already exists
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if [[ -e "$install_prefix" ]]; then
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backup_previous_installation "$install_prefix"
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fi
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# Create the installation directory
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mkdir -p "$install_prefix" || die "Failed to create installation directory: $install_prefix"
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echo " - Installing Firestorm Viewer to $install_prefix"
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# Copy all files from the tarball to the installation directory
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cp -a "${tarball_path}/." "$install_prefix/" || die "Failed to complete the installation!"
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echo " - Installation completed successfully."
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}
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# Function for user-specific installation (non-root)
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homedir_install() {
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warn "You are not running as a privileged user, so you will only be able"
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warn "to install the Firestorm Viewer in your home directory. If you"
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warn "would like to install the Firestorm Viewer system-wide, please run"
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warn "this script as the root user, or with the 'sudo' command."
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echo
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prompt "Proceed with the installation? [Y/N]: "
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if [[ $? == 0 ]]; then
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exit 0
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local install_prefix="$DEFAULT_USER_INSTALL_DIR"
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if [[ -n "$SUFFIX" ]]; then
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install_prefix="${install_prefix}_${SUFFIX}"
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fi
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install_to_prefix "$HOME/firestorm"
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$HOME/firestorm/etc/refresh_desktop_app_entry.sh
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echo -n "Enter the desired installation directory [${install_prefix}]: "
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read -r user_input
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if [[ -n "$user_input" ]]; then
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install_prefix="$user_input"
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fi
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install_to_prefix "${install_prefix}"
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"${install_prefix}/etc/refresh_desktop_app_entry.sh"
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}
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function root_install()
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{
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local default_prefix="/opt/firestorm-install"
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# Function for system-wide installation (root)
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root_install() {
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local default_prefix="$DEFAULT_SYSTEM_INSTALL_DIR"
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echo -n "Enter the desired installation directory [${default_prefix}]: ";
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read
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if [[ "$REPLY" = "" ]] ; then
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local install_prefix=$default_prefix
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# Determine the installation directory based on suffix or custom directory
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if [[ -n "$CUSTOM_INSTALL_DIR" ]]; then
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local install_prefix="$CUSTOM_INSTALL_DIR"
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elif [[ -n "$SUFFIX" ]]; then
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local install_prefix="$default_prefix_$SUFFIX"
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else
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local install_prefix=$REPLY
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local install_prefix="$default_prefix"
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fi
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echo -n "Enter the desired installation directory [${install_prefix}]: "
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read -r user_input
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if [[ -n "$user_input" ]]; then
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install_prefix="$user_input"
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fi
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install_to_prefix "$install_prefix"
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mkdir -p /usr/local/share/applications
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${install_prefix}/etc/refresh_desktop_app_entry.sh
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# Ensure the applications directory exists
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mkdir -p /usr/local/share/applications || die "Failed to create /usr/local/share/applications"
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"${install_prefix}/etc/refresh_desktop_app_entry.sh"
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}
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function install_to_prefix()
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{
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test -e "$1" && backup_previous_installation "$1"
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mkdir -p "$1" || die "Failed to create installation directory!"
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echo " - Installing to $1"
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cp -a "${tarball_path}"/* "$1/" || die "Failed to complete the installation!"
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# Function to parse command-line arguments
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parse_arguments() {
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while [[ "$#" -gt 0 ]]; do
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case $1 in
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--suffix)
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if [[ -n "$2" && ! "$2" =~ ^-- ]]; then
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SUFFIX="$2"
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shift 2
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else
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die "Error: --suffix requires a non-empty option argument."
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fi
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;;
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--install-dir)
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if [[ -n "$2" && ! "$2" =~ ^-- ]]; then
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CUSTOM_INSTALL_DIR="$2"
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shift 2
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else
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die "Error: --install-dir requires a non-empty option argument."
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fi
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;;
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--help|-h)
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usage
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;;
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*)
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die "Unknown option: $1"
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;;
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esac
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done
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}
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function backup_previous_installation()
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{
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local backup_dir="$1".backup-$(date -I)
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echo " - Backing up previous installation to $backup_dir"
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# Function to download Firestorm Viewer (optional enhancement)
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download_firestorm() {
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# Define Firestorm Viewer download URL
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# NOTE: Replace this URL with the actual download link as needed
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FIRESTORM_URL="https://firestormviewer.org/download/linux/firestorm.tar.gz"
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mv "$1" "$backup_dir" || die "Failed to create backup of existing installation!"
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# Temporary download location
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TEMP_DOWNLOAD="/tmp/firestorm.tar.gz"
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echo "Downloading Firestorm Viewer from $FIRESTORM_URL..."
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wget -O "$TEMP_DOWNLOAD" "$FIRESTORM_URL" || die "Failed to download Firestorm Viewer!"
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echo "Download completed."
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# Extract the tarball to the run path
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tar -xzf "$TEMP_DOWNLOAD" -C "$tarball_path" --strip-components=1 || die "Failed to extract Firestorm Viewer tarball!"
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echo "Extraction completed."
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# Clean up the downloaded tarball
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rm "$TEMP_DOWNLOAD"
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}
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# Main installation workflow
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main() {
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echo "Starting Firestorm Viewer installation script..."
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if [ "$UID" == "0" ]; then
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root_install
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else
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homedir_install
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fi
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# Parse command-line arguments
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parse_arguments "$@"
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echo "Installation Options:"
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echo " Suffix: ${SUFFIX:-None}"
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echo " Custom Install Directory: ${CUSTOM_INSTALL_DIR:-None}"
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echo
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# Optionally, download Firestorm Viewer if not already present
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# Uncomment the following line if you want the script to handle downloading
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# download_firestorm
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# Determine if the script is run as root
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if [[ "$EUID" -eq 0 ]]; then
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root_install
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else
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homedir_install
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fi
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echo "Firestorm Viewer installation process completed successfully."
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}
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# Execute the main function with all passed arguments
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main "$@"
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