mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
synced 2026-04-11 05:13:01 +00:00
17cc0ae652
Improve handling of /tmp permissions and non-interactive mode:
1. /tmp permissions fix:
- Check current permissions before attempting to fix
- Display warning when fixing incorrect permissions (2775 -> 1777)
- Verify /tmp has permissions 1777 (sticky bit + world writable)
2. Non-interactive mode detection:
- Redirect stdin from /dev/null when running via sudo to prevent
read commands from hanging when stdin is not a TTY
- Add better error message in first_time_install.sh when non-interactive
mode is detected but ASSUME_YES is not set
- Check if stdin is a TTY before attempting interactive read
This fixes the issues identified in diagnostic output:
- /tmp permissions 2775 causing APT write failures
- read -p failing when stdin is not a TTY (curl | bash)
Fixes installation failures when running one-shot install via curl | bash.
330 lines
11 KiB
Bash
Executable File
330 lines
11 KiB
Bash
Executable File
#!/bin/bash
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# LED Matrix One-Shot Installation Script
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# This script provides a single-command installation experience
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# Usage: curl -fsSL https://raw.githubusercontent.com/ChuckBuilds/LEDMatrix/main/scripts/install/one-shot-install.sh | bash
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set -Eeuo pipefail
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# Global state for error tracking
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CURRENT_STEP="initialization"
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# Color codes for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Error handler for explicit failures
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on_error() {
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local exit_code=$?
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local line_no=${1:-unknown}
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echo "" >&2
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echo -e "${RED}✗ ERROR: Installation failed at step: $CURRENT_STEP${NC}" >&2
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echo -e "${RED} Line: $line_no, Exit code: $exit_code${NC}" >&2
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echo "" >&2
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echo "Common fixes:" >&2
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echo " - Check internet connectivity: ping -c1 8.8.8.8" >&2
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echo " - Verify sudo access: sudo -v" >&2
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echo " - Check disk space: df -h /" >&2
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echo " - If APT lock error: sudo dpkg --configure -a" >&2
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echo " - If /tmp permission error: sudo chmod 1777 /tmp" >&2
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echo " - Wait a few minutes and try again" >&2
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echo "" >&2
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echo "This script is safe to run multiple times. You can re-run it to continue." >&2
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exit "$exit_code"
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}
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trap 'on_error $LINENO' ERR
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# Helper functions for colored output
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print_step() {
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echo ""
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echo -e "${BLUE}==========================================${NC}"
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echo -e "${BLUE}$1${NC}"
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echo -e "${BLUE}==========================================${NC}"
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echo ""
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}
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print_success() {
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echo -e "${GREEN}✓${NC} $1"
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}
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print_warning() {
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echo -e "${YELLOW}⚠${NC} $1"
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}
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print_error() {
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echo -e "${RED}✗${NC} $1"
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}
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# Retry function for network operations
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retry() {
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local attempt=1
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local max_attempts=3
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local delay_seconds=5
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while true; do
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if "$@"; then
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return 0
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fi
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local status=$?
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if [ $attempt -ge $max_attempts ]; then
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print_error "Command failed after $attempt attempts: $*"
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return $status
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fi
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print_warning "Command failed (attempt $attempt/$max_attempts). Retrying in ${delay_seconds}s: $*"
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attempt=$((attempt+1))
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sleep "$delay_seconds"
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done
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}
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# Check network connectivity
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check_network() {
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CURRENT_STEP="Network connectivity check"
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print_step "Checking network connectivity..."
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if command -v ping >/dev/null 2>&1; then
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if ping -c 1 -W 3 8.8.8.8 >/dev/null 2>&1; then
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print_success "Internet connectivity confirmed (ping test)"
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return 0
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fi
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fi
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if command -v curl >/dev/null 2>&1; then
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if curl -Is --max-time 5 http://deb.debian.org >/dev/null 2>&1; then
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print_success "Internet connectivity confirmed (curl test)"
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return 0
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fi
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fi
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if command -v wget >/dev/null 2>&1; then
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if wget --spider --timeout=5 http://deb.debian.org >/dev/null 2>&1; then
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print_success "Internet connectivity confirmed (wget test)"
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return 0
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fi
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fi
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print_error "No internet connectivity detected"
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echo ""
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echo "Please ensure your Raspberry Pi is connected to the internet and try again."
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exit 1
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}
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# Check disk space
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check_disk_space() {
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CURRENT_STEP="Disk space check"
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if ! command -v df >/dev/null 2>&1; then
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print_warning "df command not available, skipping disk space check"
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return 0
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fi
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# Check available space in MB
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AVAILABLE_SPACE=$(df -m / | awk 'NR==2{print $4}' || echo "0")
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# Ensure AVAILABLE_SPACE has a default value if empty (handles unexpected df output)
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AVAILABLE_SPACE=${AVAILABLE_SPACE:-0}
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if [ "$AVAILABLE_SPACE" -lt 500 ]; then
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print_error "Insufficient disk space: ${AVAILABLE_SPACE}MB available (need at least 500MB)"
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echo ""
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echo "Please free up disk space before continuing:"
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echo " - Remove unnecessary packages: sudo apt autoremove"
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echo " - Clean APT cache: sudo apt clean"
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echo " - Check large files: sudo du -sh /* | sort -h"
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exit 1
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elif [ "$AVAILABLE_SPACE" -lt 1024 ]; then
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print_warning "Limited disk space: ${AVAILABLE_SPACE}MB available (recommend at least 1GB)"
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else
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print_success "Disk space sufficient: ${AVAILABLE_SPACE}MB available"
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fi
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}
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# Ensure sudo access
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check_sudo() {
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CURRENT_STEP="Sudo access check"
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print_step "Checking sudo access..."
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# Check if running as root
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if [ "$EUID" -eq 0 ]; then
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print_success "Running as root"
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return 0
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fi
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# Check if sudo is available
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if ! command -v sudo >/dev/null 2>&1; then
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print_error "sudo is not available and script is not running as root"
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echo ""
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echo "Please either:"
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echo " 1. Run as root: sudo bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/ChuckBuilds/LEDMatrix/main/scripts/install/one-shot-install.sh)\""
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echo " 2. Or install sudo first"
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exit 1
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fi
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# Test sudo access
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if ! sudo -n true 2>/dev/null; then
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print_warning "Need sudo password - you may be prompted"
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if ! sudo -v; then
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print_error "Failed to obtain sudo privileges"
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exit 1
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fi
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fi
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print_success "Sudo access confirmed"
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}
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# Fix /tmp permissions if needed (common issue when running via curl | bash)
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fix_tmp_permissions() {
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CURRENT_STEP="TMP directory check"
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# Check if /tmp is writable
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if [ ! -w /tmp ]; then
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print_warning "/tmp is not writable, attempting to fix..."
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if [ "$EUID" -eq 0 ]; then
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chmod 1777 /tmp 2>/dev/null || true
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else
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sudo chmod 1777 /tmp 2>/dev/null || true
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fi
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fi
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# Ensure TMPDIR is set correctly
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if [ -z "${TMPDIR:-}" ] || [ ! -w "${TMPDIR:-/tmp}" ]; then
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export TMPDIR=/tmp
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fi
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}
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# Main installation function
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main() {
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print_step "LED Matrix One-Shot Installation"
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echo "This script will:"
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echo " 1. Check prerequisites (network, disk space, sudo)"
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echo " 2. Install system dependencies (git, python3, build tools)"
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echo " 3. Clone the LEDMatrix repository"
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echo " 4. Run the first-time installation script"
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echo ""
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# Check prerequisites
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check_network
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check_disk_space
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check_sudo
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fix_tmp_permissions
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# Determine repository location
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REPO_DIR="${HOME}/LEDMatrix"
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REPO_URL="https://github.com/ChuckBuilds/LEDMatrix.git"
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CURRENT_STEP="Repository setup"
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print_step "Setting up repository..."
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# Check if directory exists and handle accordingly
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if [ -d "$REPO_DIR" ]; then
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if [ -d "$REPO_DIR/.git" ]; then
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print_warning "Repository already exists at $REPO_DIR"
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print_warning "Pulling latest changes..."
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cd "$REPO_DIR"
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if git pull origin main >/dev/null 2>&1; then
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print_success "Repository updated successfully"
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else
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print_warning "Git pull failed, but continuing with existing repository"
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print_warning "You may have local changes or the repository may be on a different branch"
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fi
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else
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print_warning "Directory exists but is not a git repository"
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print_warning "Removing and cloning fresh..."
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cd "$HOME"
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rm -rf "$REPO_DIR"
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print_success "Cloning repository..."
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retry git clone "$REPO_URL" "$REPO_DIR"
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fi
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else
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print_success "Cloning repository to $REPO_DIR..."
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retry git clone "$REPO_URL" "$REPO_DIR"
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fi
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# Verify repository is accessible
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if [ ! -d "$REPO_DIR" ] || [ ! -f "$REPO_DIR/first_time_install.sh" ]; then
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print_error "Repository setup failed: $REPO_DIR/first_time_install.sh not found"
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exit 1
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fi
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print_success "Repository ready at $REPO_DIR"
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# Execute main installation script
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CURRENT_STEP="Main installation"
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print_step "Running main installation script..."
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cd "$REPO_DIR"
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# Make sure the script is executable
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chmod +x first_time_install.sh
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# Check if script exists
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if [ ! -f "first_time_install.sh" ]; then
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print_error "first_time_install.sh not found in $REPO_DIR"
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exit 1
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fi
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print_success "Starting main installation (this may take 10-30 minutes)..."
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echo ""
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# Execute with proper error handling and non-interactive mode
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# Temporarily disable errexit to capture exit code instead of exiting immediately
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set +e
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# Fix /tmp permissions before running (ensure APT can write temp files)
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# /tmp should have permissions 1777 (sticky bit + world writable)
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CURRENT_STEP="Fixing /tmp permissions"
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if [ "$EUID" -eq 0 ]; then
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# Check and fix /tmp permissions
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TMP_PERMS=$(stat -c '%a' /tmp 2>/dev/null || echo "unknown")
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if [ "$TMP_PERMS" != "1777" ]; then
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print_warning "/tmp has incorrect permissions ($TMP_PERMS), fixing to 1777..."
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chmod 1777 /tmp 2>/dev/null || {
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print_error "Failed to fix /tmp permissions. Continuing anyway..."
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}
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fi
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export TMPDIR=/tmp
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# Run in non-interactive mode with ASSUME_YES (both -y flag and env var for safety)
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export LEDMATRIX_ASSUME_YES=1
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bash ./first_time_install.sh -y
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else
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# Check and fix /tmp permissions
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TMP_PERMS=$(stat -c '%a' /tmp 2>/dev/null || echo "unknown")
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if [ "$TMP_PERMS" != "1777" ]; then
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print_warning "/tmp has incorrect permissions ($TMP_PERMS), fixing to 1777..."
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sudo chmod 1777 /tmp 2>/dev/null || {
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print_error "Failed to fix /tmp permissions. Continuing anyway..."
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}
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fi
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export TMPDIR=/tmp
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# Pass both -y flag AND environment variable for non-interactive mode
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# This ensures it works even if the script re-executes itself with sudo
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# Also ensure stdin is properly handled for non-interactive mode
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sudo -E env TMPDIR=/tmp LEDMATRIX_ASSUME_YES=1 bash ./first_time_install.sh -y </dev/null
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fi
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INSTALL_EXIT_CODE=$?
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set -e # Re-enable errexit
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if [ $INSTALL_EXIT_CODE -eq 0 ]; then
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echo ""
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print_step "Installation Complete!"
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print_success "LED Matrix has been successfully installed!"
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echo ""
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echo "Next steps:"
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echo " 1. Configure your settings: sudo nano $REPO_DIR/config/config.json"
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echo " 2. Or use the web interface: http://$(hostname -I | awk '{print $1}'):5000"
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echo " 3. Start the service: sudo systemctl start ledmatrix.service"
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echo ""
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else
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print_error "Main installation script exited with code $INSTALL_EXIT_CODE"
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echo ""
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echo "The installation may have partially completed."
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echo "You can:"
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echo " 1. Re-run this script to continue (it's safe to run multiple times)"
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echo " 2. Check logs in $REPO_DIR/logs/"
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echo " 3. Review the error messages above"
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exit $INSTALL_EXIT_CODE
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fi
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}
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# Run main function
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main "$@"
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