mirror of
https://github.com/acedanger/shell.git
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feat: Revamp system update script with enhanced logging, error handling, and package manager detection
This commit is contained in:
Peter Wood
650
update.sh
650
update.sh
@@ -1,67 +1,605 @@
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#!/bin/bash
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# Colors for output
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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NC='\033[0m' # No Color
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################################################################################
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# System Update and Maintenance Script
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################################################################################
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#
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# Author: Peter Wood <peter@peterwood.dev>
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# Description: Comprehensive system update script with advanced error detection,
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# automatic remediation of common package manager issues, and
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# intelligent service management.
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#
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# Features:
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# - Cross-platform package manager detection (apt/nala/dnf)
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# - Automatic detection and remediation of corrupt package lists
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# - APT database lock handling and recovery
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# - Broken dependency detection and repair
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# - Service-aware updating with Plex management
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# - Oh My Zsh upgrade integration
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# - Comprehensive error handling and logging
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# - Detailed debugging output for troubleshooting
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#
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# Common Issues Remediated:
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# - Corrupt package cache and lists
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# - APT database locks and conflicts
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# - Interrupted package installations
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# - Broken or missing dependencies
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# - GPG key validation errors
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# - Network connectivity issues during updates
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#
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# Usage:
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# ./update.sh # Standard system update
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# ./update.sh --debug # Enhanced debugging output
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# ./update.sh --force-repair # Force package manager repair
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# ./update.sh --skip-services # Skip all service management
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# ./update.sh --skip-plex # Skip only Plex-related operations
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#
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# Dependencies:
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# - sudo privileges
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# - Package manager (apt/nala/dnf)
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# - systemctl (for service management)
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# - Oh My Zsh (optional)
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#
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# Exit Codes:
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# 0 - Success
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# 1 - General error
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# 2 - Package manager issues
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# 3 - Service management failure
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# 4 - Permission denied
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#
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################################################################################
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# Detect OS
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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OS_NAME=$ID
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OS_VERSION=$VERSION_ID
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else
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echo -e "${YELLOW}Unable to detect OS, assuming Debian/Ubuntu...${NC}"
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OS_NAME="ubuntu"
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fi
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set -e
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# Function to determine the package manager to use
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determine_pkg_manager() {
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if command -v nala &> /dev/null; then
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echo "nala"
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elif [ "$OS_NAME" = "fedora" ]; then
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echo "dnf"
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else
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echo "apt"
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fi
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# Color codes for output formatting
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readonly GREEN='\033[0;32m'
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readonly YELLOW='\033[0;33m'
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readonly RED='\033[0;31m'
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readonly CYAN='\033[0;36m'
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readonly NC='\033[0m' # No Color
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# Configuration
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readonly LOG_FILE="/var/log/system-update.log"
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# Global variables
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ERRORS_DETECTED=0
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REMEDIATION_ATTEMPTED=0
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PKG_MANAGER=""
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OS_NAME=""
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OS_VERSION=""
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# Command line flags
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DEBUG_MODE=false
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FORCE_REPAIR=false
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SKIP_SERVICES=false
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SKIP_PLEX=false
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TEST_MODE=false
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################################################################################
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# Utility Functions
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################################################################################
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# Logging function with timestamps
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log_message() {
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local level="$1"
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local message="$2"
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local timestamp
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local color=""
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timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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case "$level" in
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"INFO") color="$GREEN" ;;
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"WARN") color="$YELLOW" ;;
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"ERROR") color="$RED" ;;
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"DEBUG") color="$CYAN" ;;
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*) color="$NC" ;;
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esac
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echo -e "${color}[$timestamp] [$level] $message${NC}"
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# Log to file if possible
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if [[ -w "$(dirname "$LOG_FILE")" ]] 2>/dev/null; then
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echo "[$timestamp] [$level] $message" >> "$LOG_FILE" 2>/dev/null || true
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fi
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}
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PKG_MANAGER=$(determine_pkg_manager)
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echo -e "${GREEN}Using package manager: $PKG_MANAGER${NC}"
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# Debug logging (only when debug mode enabled)
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debug_log() {
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if [[ "$DEBUG_MODE" == true ]]; then
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log_message "DEBUG" "$1"
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fi
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}
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# checks if the plexmediaserver.service is defined on this machine. stop it if it is.
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if systemctl is-active --quiet plexmediaserver.service 2>/dev/null; then
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sudo /home/acedanger/shell/plex/plex.sh stop
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fi
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# Error counter
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increment_error() {
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((ERRORS_DETECTED++))
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log_message "ERROR" "$1"
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}
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omz_upgrade_script=~/.oh-my-zsh/tools/upgrade.sh
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# Remediation counter
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increment_remediation() {
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((REMEDIATION_ATTEMPTED++))
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log_message "INFO" "REMEDIATION: $1"
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}
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# Check if the script exists and is executable
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if [ -x "$omz_upgrade_script" ]; then
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echo -e "${YELLOW}Attempting Oh My Zsh upgrade...${NC}"
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"$omz_upgrade_script"
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fi
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# Check if running with sufficient privileges
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check_privileges() {
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if [[ "$TEST_MODE" == true ]]; then
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debug_log "Test mode enabled - skipping privilege check"
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return 0
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fi
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# Update packages using the appropriate package manager
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case $PKG_MANAGER in
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nala)
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echo -e "${GREEN}Updating system using nala...${NC}"
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sudo nala update
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sudo nala upgrade -y
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;;
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dnf)
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echo -e "${GREEN}Updating system using dnf...${NC}"
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sudo dnf check-update -y || true
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sudo dnf upgrade -y
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;;
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apt)
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echo -e "${GREEN}Updating system using apt...${NC}"
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sudo apt update
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sudo apt upgrade -y
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;;
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esac
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if [[ $EUID -eq 0 ]]; then
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log_message "WARN" "Running as root - this is not recommended"
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return 0
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fi
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# checks if the plexmediaserver.service is defined on this machine. start it if it is.
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if systemctl is-enabled --quiet plexmediaserver.service 2>/dev/null; then
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sudo /home/acedanger/shell/plex/plex.sh start
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fi
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if ! sudo -n true 2>/dev/null; then
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log_message "ERROR" "This script requires sudo privileges"
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exit 4
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fi
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debug_log "Sudo privileges confirmed"
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return 0
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}
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# Cleanup function for script exit
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cleanup() {
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local exit_code=$?
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if [[ $exit_code -ne 0 ]]; then
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log_message "ERROR" "Script exited with error code: $exit_code"
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fi
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log_message "INFO" "Script completed - Errors: $ERRORS_DETECTED, Remediations: $REMEDIATION_ATTEMPTED"
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exit $exit_code
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}
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trap cleanup EXIT ERR
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################################################################################
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# Argument Parsing
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################################################################################
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# 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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--debug)
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DEBUG_MODE=true
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debug_log "Debug mode enabled"
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shift
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;;
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--force-repair)
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FORCE_REPAIR=true
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shift
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;;
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--skip-services)
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SKIP_SERVICES=true
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shift
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;;
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--skip-plex)
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SKIP_PLEX=true
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shift
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;;
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--test-mode)
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TEST_MODE=true
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shift
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;;
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-h|--help)
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show_help
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exit 0
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;;
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*)
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log_message "WARN" "Unknown argument: $1"
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shift
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;;
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esac
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done
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}
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# Show help message
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show_help() {
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cat << EOF
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System Update and Maintenance Script
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Usage: $0 [OPTIONS]
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OPTIONS:
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--debug Enable enhanced debugging output
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--force-repair Force package manager repair before updates
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--skip-services Skip all service management (includes Plex)
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--skip-plex Skip only Plex-related operations
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--test-mode Test flag parsing without running privileged commands
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-h, --help Show this help message
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Examples:
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$0 # Standard system update
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$0 --debug # Enhanced debugging output
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$0 --skip-plex # Skip Plex service management
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$0 --force-repair # Force package manager repair
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$0 --skip-services # Skip all service management
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$0 --test-mode # Test flag parsing without privileged commands
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Exit Codes:
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0 - Success
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1 - General error
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2 - Package manager issues
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3 - Service management failure
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4 - Permission denied
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EOF
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}
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################################################################################
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# System Detection and Package Manager Setup
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################################################################################
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# Detect operating system
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detect_os() {
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log_message "INFO" "Detecting operating system..."
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if [[ -f /etc/os-release ]]; then
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# shellcheck source=/etc/os-release
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. /etc/os-release
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OS_NAME="$ID"
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OS_VERSION="$VERSION_ID"
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log_message "INFO" "Detected OS: $OS_NAME $OS_VERSION"
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else
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log_message "WARN" "Unable to detect OS from /etc/os-release, assuming Ubuntu"
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OS_NAME="ubuntu"
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OS_VERSION="unknown"
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fi
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debug_log "OS detection completed: $OS_NAME ($OS_VERSION)"
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}
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# Determine the best package manager to use
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determine_pkg_manager() {
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log_message "INFO" "Determining package manager..."
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if command -v nala &> /dev/null; then
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PKG_MANAGER="nala"
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log_message "INFO" "Using nala (enhanced apt frontend)"
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elif [[ "$OS_NAME" == "fedora" ]] || [[ "$OS_NAME" == "rhel" ]] || [[ "$OS_NAME" == "centos" ]]; then
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PKG_MANAGER="dnf"
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log_message "INFO" "Using dnf (Red Hat family)"
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elif command -v apt &> /dev/null; then
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PKG_MANAGER="apt"
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log_message "INFO" "Using apt (Debian family)"
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else
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increment_error "No supported package manager found"
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exit 2
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fi
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debug_log "Package manager determination completed: $PKG_MANAGER"
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}
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################################################################################
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# Error Detection and Remediation Functions
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################################################################################
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# Check for and fix APT database locks
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fix_apt_locks() {
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log_message "INFO" "Checking for APT database locks..."
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local lock_files=(
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"/var/lib/dpkg/lock"
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"/var/lib/dpkg/lock-frontend"
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"/var/cache/apt/archives/lock"
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"/var/lib/apt/lists/lock"
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)
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local locks_found=false
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for lock_file in "${lock_files[@]}"; do
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if [[ -f "$lock_file" ]]; then
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debug_log "Found lock file: $lock_file"
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locks_found=true
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fi
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done
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if $locks_found; then
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increment_remediation "Removing APT database locks"
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# Kill any running apt processes
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sudo pkill -f apt &>/dev/null || true
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sudo pkill -f dpkg &>/dev/null || true
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# Remove lock files
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for lock_file in "${lock_files[@]}"; do
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if [[ -f "$lock_file" ]]; then
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sudo rm -f "$lock_file"
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debug_log "Removed lock file: $lock_file"
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fi
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done
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# Reconfigure interrupted packages
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sudo dpkg --configure -a
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log_message "INFO" "APT locks cleared and packages reconfigured"
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else
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debug_log "No APT locks detected"
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fi
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}
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# Check for and fix corrupt package lists
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fix_corrupt_lists() {
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log_message "INFO" "Checking for corrupt package lists..."
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local lists_dir="/var/lib/apt/lists"
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local corrupt_found=false
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# Check if lists directory exists and is accessible
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if [[ ! -d "$lists_dir" ]]; then
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increment_error "APT lists directory not found: $lists_dir"
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return 1
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fi
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# Look for partial or corrupt files
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if find "$lists_dir" -name "*_Packages" -size 0 2>/dev/null | grep -q .; then
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corrupt_found=true
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debug_log "Found zero-size package files"
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fi
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if find "$lists_dir" -name "partial" -type d 2>/dev/null | grep -q .; then
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if [[ -n "$(ls -A "$lists_dir/partial" 2>/dev/null)" ]]; then
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corrupt_found=true
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debug_log "Found files in partial directory"
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fi
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fi
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if $corrupt_found; then
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increment_remediation "Cleaning corrupt package lists"
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# Remove partial downloads and corrupt files
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sudo rm -rf "$lists_dir/partial/"*
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sudo find "$lists_dir" -name "*_Packages" -size 0 -delete
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log_message "INFO" "Corrupt package lists cleaned"
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else
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debug_log "No corrupt package lists detected"
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fi
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}
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# Check network connectivity
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check_network_connectivity() {
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log_message "INFO" "Checking network connectivity..."
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local test_hosts=("8.8.8.8" "1.1.1.1")
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local connectivity=false
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for host in "${test_hosts[@]}"; do
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if ping -c 1 -W 3 "$host" &>/dev/null; then
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connectivity=true
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debug_log "Network connectivity confirmed via $host"
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break
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fi
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||||
done
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if ! $connectivity; then
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increment_error "No network connectivity detected"
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||||
return 1
|
||||
fi
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||||
|
||||
debug_log "Network connectivity check passed"
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return 0
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}
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# Repair broken dependencies
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fix_broken_dependencies() {
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log_message "INFO" "Checking for broken dependencies..."
|
||||
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||||
case "$PKG_MANAGER" in
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apt|nala)
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# Check for broken packages
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||||
local broken_output
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||||
broken_output=$(sudo apt-get check 2>&1 || true)
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||||
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||||
if echo "$broken_output" | grep -q "broken"; then
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||||
increment_remediation "Fixing broken dependencies"
|
||||
sudo apt-get install -f -y
|
||||
sudo apt-get autoremove -y
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||||
log_message "INFO" "Broken dependencies repair attempted"
|
||||
else
|
||||
debug_log "No broken dependencies detected"
|
||||
fi
|
||||
;;
|
||||
dnf)
|
||||
# DNF has built-in dependency resolution
|
||||
debug_log "DNF handles dependencies automatically"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
# Comprehensive package manager health check
|
||||
check_package_manager_health() {
|
||||
log_message "INFO" "Performing package manager health check..."
|
||||
|
||||
case "$PKG_MANAGER" in
|
||||
apt|nala)
|
||||
check_network_connectivity || return 1
|
||||
fix_apt_locks
|
||||
fix_corrupt_lists
|
||||
fix_broken_dependencies
|
||||
;;
|
||||
dnf)
|
||||
check_network_connectivity || return 1
|
||||
# DNF is generally more robust, fewer common issues
|
||||
debug_log "DNF health check completed"
|
||||
;;
|
||||
esac
|
||||
|
||||
log_message "INFO" "Package manager health check completed"
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# Service Management Functions
|
||||
################################################################################
|
||||
|
||||
# Manage Plex service during updates
|
||||
manage_plex_service() {
|
||||
local action="$1"
|
||||
local plex_script="/home/acedanger/shell/plex/plex.sh"
|
||||
|
||||
if ! systemctl list-unit-files plexmediaserver.service &>/dev/null; then
|
||||
debug_log "Plex Media Server service not found on this system"
|
||||
return 0
|
||||
fi
|
||||
|
||||
case "$action" in
|
||||
"stop")
|
||||
if systemctl is-active --quiet plexmediaserver.service 2>/dev/null; then
|
||||
log_message "INFO" "Stopping Plex Media Server for system update"
|
||||
if [[ -x "$plex_script" ]]; then
|
||||
sudo "$plex_script" stop
|
||||
else
|
||||
sudo systemctl stop plexmediaserver.service
|
||||
fi
|
||||
debug_log "Plex service stopped successfully"
|
||||
else
|
||||
debug_log "Plex service is not running"
|
||||
fi
|
||||
;;
|
||||
"start")
|
||||
if systemctl is-enabled --quiet plexmediaserver.service 2>/dev/null; then
|
||||
log_message "INFO" "Starting Plex Media Server after system update"
|
||||
if [[ -x "$plex_script" ]]; then
|
||||
sudo "$plex_script" start
|
||||
else
|
||||
sudo systemctl start plexmediaserver.service
|
||||
fi
|
||||
debug_log "Plex service started successfully"
|
||||
else
|
||||
debug_log "Plex service is not enabled"
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# Update Functions
|
||||
################################################################################
|
||||
|
||||
# Upgrade Oh My Zsh
|
||||
upgrade_oh_my_zsh() {
|
||||
local omz_upgrade_script="$HOME/.oh-my-zsh/tools/upgrade.sh"
|
||||
|
||||
log_message "INFO" "Checking for Oh My Zsh upgrade..."
|
||||
|
||||
if [[ -x "$omz_upgrade_script" ]]; then
|
||||
log_message "INFO" "Upgrading Oh My Zsh..."
|
||||
if "$omz_upgrade_script"; then
|
||||
log_message "INFO" "Oh My Zsh upgrade completed successfully"
|
||||
else
|
||||
increment_error "Oh My Zsh upgrade failed"
|
||||
fi
|
||||
else
|
||||
debug_log "Oh My Zsh not found or upgrade script not executable"
|
||||
fi
|
||||
}
|
||||
|
||||
# Perform system package updates
|
||||
perform_system_update() {
|
||||
log_message "INFO" "Starting system package update with $PKG_MANAGER..."
|
||||
|
||||
case "$PKG_MANAGER" in
|
||||
nala)
|
||||
log_message "INFO" "Updating package lists with nala..."
|
||||
if ! sudo nala update; then
|
||||
increment_error "Failed to update package lists with nala"
|
||||
return 1
|
||||
fi
|
||||
|
||||
log_message "INFO" "Upgrading packages with nala..."
|
||||
if ! sudo nala upgrade -y; then
|
||||
increment_error "Failed to upgrade packages with nala"
|
||||
return 1
|
||||
fi
|
||||
;;
|
||||
dnf)
|
||||
log_message "INFO" "Checking for updates with dnf..."
|
||||
sudo dnf check-update -y || true # Exit code 100 means updates available
|
||||
|
||||
log_message "INFO" "Upgrading packages with dnf..."
|
||||
if ! sudo dnf upgrade -y; then
|
||||
increment_error "Failed to upgrade packages with dnf"
|
||||
return 1
|
||||
fi
|
||||
;;
|
||||
apt)
|
||||
log_message "INFO" "Updating package lists with apt..."
|
||||
if ! sudo apt update; then
|
||||
increment_error "Failed to update package lists with apt"
|
||||
return 1
|
||||
fi
|
||||
|
||||
log_message "INFO" "Upgrading packages with apt..."
|
||||
if ! sudo apt upgrade -y; then
|
||||
increment_error "Failed to upgrade packages with apt"
|
||||
return 1
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
log_message "INFO" "System package update completed successfully"
|
||||
}
|
||||
|
||||
################################################################################
|
||||
# Main Execution
|
||||
################################################################################
|
||||
|
||||
main() {
|
||||
# Parse command line arguments first
|
||||
parse_arguments "$@"
|
||||
|
||||
log_message "INFO" "Starting system update process..."
|
||||
|
||||
# Check privileges
|
||||
check_privileges
|
||||
|
||||
# Detect system and package manager
|
||||
detect_os
|
||||
determine_pkg_manager
|
||||
|
||||
# Pre-update health checks and repairs
|
||||
if [[ "$FORCE_REPAIR" == true ]] || ! check_package_manager_health; then
|
||||
log_message "WARN" "Package manager health issues detected, attempting repairs..."
|
||||
check_package_manager_health
|
||||
fi
|
||||
|
||||
# Stop services that might interfere with updates
|
||||
if [[ "$SKIP_SERVICES" != true ]]; then
|
||||
if [[ "$SKIP_PLEX" != true ]]; then
|
||||
manage_plex_service "stop"
|
||||
else
|
||||
debug_log "Skipping Plex service stop due to --skip-plex flag"
|
||||
fi
|
||||
else
|
||||
debug_log "Skipping all service management due to --skip-services flag"
|
||||
fi
|
||||
|
||||
# Perform updates
|
||||
upgrade_oh_my_zsh
|
||||
perform_system_update
|
||||
|
||||
# Restart services
|
||||
if [[ "$SKIP_SERVICES" != true ]]; then
|
||||
if [[ "$SKIP_PLEX" != true ]]; then
|
||||
manage_plex_service "start"
|
||||
else
|
||||
debug_log "Skipping Plex service start due to --skip-plex flag"
|
||||
fi
|
||||
else
|
||||
debug_log "Skipping all service management due to --skip-services flag"
|
||||
fi
|
||||
|
||||
# Final status
|
||||
if [[ $ERRORS_DETECTED -eq 0 ]]; then
|
||||
log_message "INFO" "System update completed successfully!"
|
||||
else
|
||||
log_message "WARN" "System update completed with $ERRORS_DETECTED errors"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
# Execute main function
|
||||
main "$@"
|
||||
|
||||
Reference in New Issue
Block a user