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🎨 Make the code more maintainable
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Tw93
292
lib/common.sh
Normal file → Executable file
292
lib/common.sh
Normal file → Executable file
@@ -2,20 +2,63 @@
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# Mole - Common Functions Library
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# Shared utilities and functions for all modules
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# Color definitions
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GREEN='\033[0;32m'
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BLUE='\033[0;34m'
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YELLOW='\033[1;33m'
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PURPLE='\033[0;35m'
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RED='\033[0;31m'
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NC='\033[0m'
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set -euo pipefail
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# Logging functions
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log_info() { echo -e "${BLUE}$1${NC}"; }
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log_success() { echo -e "${GREEN}✅ $1${NC}"; }
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log_warning() { echo -e "${YELLOW}⚠️ $1${NC}"; }
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log_error() { echo -e "${RED}❌ $1${NC}"; }
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log_header() { echo -e "\n${PURPLE}▶ $1${NC}"; }
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# Color definitions (readonly for safety)
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readonly ESC=$'\033'
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readonly GREEN="${ESC}[0;32m"
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readonly BLUE="${ESC}[0;34m"
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readonly YELLOW="${ESC}[1;33m"
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readonly PURPLE="${ESC}[0;35m"
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readonly RED="${ESC}[0;31m"
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readonly NC="${ESC}[0m"
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# Logging configuration
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readonly LOG_FILE="${HOME}/.config/mole/mole.log"
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readonly LOG_MAX_SIZE_DEFAULT=1048576 # 1MB
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# Ensure log directory exists
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mkdir -p "$(dirname "$LOG_FILE")" 2>/dev/null || true
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# Enhanced logging functions with file logging support
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log_info() {
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rotate_log
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echo -e "${BLUE}$1${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] INFO: $1" >> "$LOG_FILE" 2>/dev/null || true
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}
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log_success() {
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rotate_log
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echo -e "${GREEN}✅ $1${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] SUCCESS: $1" >> "$LOG_FILE" 2>/dev/null || true
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}
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log_warning() {
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rotate_log
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echo -e "${YELLOW}⚠️ $1${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] WARNING: $1" >> "$LOG_FILE" 2>/dev/null || true
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}
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log_error() {
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rotate_log
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echo -e "${RED}❌ $1${NC}" >&2
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] ERROR: $1" >> "$LOG_FILE" 2>/dev/null || true
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}
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log_header() {
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rotate_log
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echo -e "\n${PURPLE}▶ $1${NC}"
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] SECTION: $1" >> "$LOG_FILE" 2>/dev/null || true
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}
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# Log file maintenance
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rotate_log() {
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local max_size="${MOLE_MAX_LOG_SIZE:-$LOG_MAX_SIZE_DEFAULT}"
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if [[ -f "$LOG_FILE" ]] && [[ $(stat -f%z "$LOG_FILE" 2>/dev/null || echo 0) -gt "$max_size" ]]; then
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mv "$LOG_FILE" "${LOG_FILE}.old" 2>/dev/null || true
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touch "$LOG_FILE" 2>/dev/null || true
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fi
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}
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# System detection
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detect_architecture() {
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@@ -96,9 +139,69 @@ handle_error() {
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# File size utilities
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get_human_size() {
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local path="$1"
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if [[ ! -e "$path" ]]; then
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echo "N/A"
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return 1
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fi
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du -sh "$path" 2>/dev/null | cut -f1 || echo "N/A"
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}
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# Convert bytes to human readable format
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bytes_to_human() {
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local bytes="$1"
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if [[ ! "$bytes" =~ ^[0-9]+$ ]]; then
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echo "0B"
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return 1
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fi
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if ((bytes >= 1073741824)); then # >= 1GB
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echo "$bytes" | awk '{printf "%.2fGB", $1/1073741824}'
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elif ((bytes >= 1048576)); then # >= 1MB
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echo "$bytes" | awk '{printf "%.1fMB", $1/1048576}'
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elif ((bytes >= 1024)); then # >= 1KB
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echo "$bytes" | awk '{printf "%.0fKB", $1/1024}'
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else
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echo "${bytes}B"
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fi
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}
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# Calculate directory size in bytes
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get_directory_size_bytes() {
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local path="$1"
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if [[ ! -d "$path" ]]; then
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echo "0"
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return 1
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fi
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du -sk "$path" 2>/dev/null | cut -f1 | awk '{print $1 * 1024}' || echo "0"
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}
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# Safe file operation with backup
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safe_remove() {
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local path="$1"
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local backup_dir="${2:-/tmp/mole_backup_$(date +%s)}"
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local backup_enabled="${MOLE_BACKUP_ENABLED:-true}"
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if [[ ! -e "$path" ]]; then
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return 0
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fi
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if [[ "$backup_enabled" == "true" ]]; then
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# Create backup directory if it doesn't exist
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mkdir -p "$backup_dir" 2>/dev/null || return 1
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local basename_path
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basename_path=$(basename "$path")
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if ! cp -R "$path" "$backup_dir/$basename_path" 2>/dev/null; then
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log_warning "Backup failed for $path, skipping removal"
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return 1
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fi
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log_info "Backup created at $backup_dir/$basename_path"
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fi
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rm -rf "$path" 2>/dev/null || true
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}
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# Permission checks
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check_sudo() {
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if ! sudo -n true 2>/dev/null; then
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@@ -119,3 +222,166 @@ request_sudo() {
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return 1
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fi
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}
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# Configuration management
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readonly CONFIG_FILE="${HOME}/.config/mole/config"
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# Load configuration with defaults
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load_config() {
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# Default configuration
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MOLE_LOG_LEVEL="${MOLE_LOG_LEVEL:-INFO}"
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MOLE_AUTO_CONFIRM="${MOLE_AUTO_CONFIRM:-false}"
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MOLE_BACKUP_ENABLED="${MOLE_BACKUP_ENABLED:-true}"
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MOLE_MAX_LOG_SIZE="${MOLE_MAX_LOG_SIZE:-1048576}"
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MOLE_PARALLEL_JOBS="${MOLE_PARALLEL_JOBS:-}" # Empty means auto-detect
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# Load user configuration if exists
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if [[ -f "$CONFIG_FILE" ]]; then
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source "$CONFIG_FILE" 2>/dev/null || true
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fi
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}
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# Save configuration
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save_config() {
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mkdir -p "$(dirname "$CONFIG_FILE")" 2>/dev/null || return 1
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cat > "$CONFIG_FILE" << EOF
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# Mole Configuration File
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# Generated on $(date)
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# Log level: DEBUG, INFO, WARNING, ERROR
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MOLE_LOG_LEVEL="$MOLE_LOG_LEVEL"
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# Auto confirm operations (true/false)
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MOLE_AUTO_CONFIRM="$MOLE_AUTO_CONFIRM"
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# Enable backup before deletion (true/false)
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MOLE_BACKUP_ENABLED="$MOLE_BACKUP_ENABLED"
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# Maximum log file size in bytes
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MOLE_MAX_LOG_SIZE="$MOLE_MAX_LOG_SIZE"
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# Number of parallel jobs for operations (empty = auto-detect)
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MOLE_PARALLEL_JOBS="$MOLE_PARALLEL_JOBS"
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EOF
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}
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# Progress tracking
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# Use parameter expansion for portable global initialization (macOS bash lacks declare -g).
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: "${PROGRESS_CURRENT:=0}"
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: "${PROGRESS_TOTAL:=0}"
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: "${PROGRESS_MESSAGE:=}"
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# Initialize progress tracking
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init_progress() {
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PROGRESS_CURRENT=0
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PROGRESS_TOTAL="$1"
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PROGRESS_MESSAGE="${2:-Processing}"
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}
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# Update progress
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update_progress() {
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PROGRESS_CURRENT="$1"
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local message="${2:-$PROGRESS_MESSAGE}"
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local percentage=$((PROGRESS_CURRENT * 100 / PROGRESS_TOTAL))
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# Create progress bar
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local bar_length=20
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local filled_length=$((percentage * bar_length / 100))
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local bar=""
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for ((i=0; i<filled_length; i++)); do
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bar="${bar}█"
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done
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for ((i=filled_length; i<bar_length; i++)); do
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bar="${bar}░"
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done
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printf "\r${BLUE}[%s] %3d%% %s (%d/%d)${NC}" "$bar" "$percentage" "$message" "$PROGRESS_CURRENT" "$PROGRESS_TOTAL"
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if [[ $PROGRESS_CURRENT -eq $PROGRESS_TOTAL ]]; then
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echo
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fi
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}
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# Spinner for indeterminate progress
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: "${SPINNER_PID:=}"
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start_spinner() {
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local message="${1:-Working}"
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stop_spinner # Stop any existing spinner
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(
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local spin='⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏'
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local i=0
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while true; do
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printf "\r${BLUE}%s %s${NC}" "${spin:$i:1}" "$message"
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((i++))
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if [[ $i -eq ${#spin} ]]; then
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i=0
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fi
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sleep 0.1
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done
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) &
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SPINNER_PID=$!
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}
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stop_spinner() {
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if [[ -n "$SPINNER_PID" ]]; then
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kill "$SPINNER_PID" 2>/dev/null || true
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wait "$SPINNER_PID" 2>/dev/null || true
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SPINNER_PID=""
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printf "\r\033[K" # Clear the line
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fi
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}
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# Calculate optimal parallel jobs based on system resources
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get_optimal_parallel_jobs() {
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local operation_type="${1:-default}"
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local optimal_parallel=4
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# Try to detect optimal parallel jobs based on CPU cores
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if command -v nproc >/dev/null 2>&1; then
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optimal_parallel=$(nproc)
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elif command -v sysctl >/dev/null 2>&1; then
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optimal_parallel=$(sysctl -n hw.ncpu 2>/dev/null || echo 4)
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fi
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# Apply operation-specific limits
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case "$operation_type" in
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"scan")
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# For scanning: min 2, max 8
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if [[ $optimal_parallel -lt 2 ]]; then
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optimal_parallel=2
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elif [[ $optimal_parallel -gt 8 ]]; then
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optimal_parallel=8
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fi
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;;
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"clean")
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# For file operations: min 2, max 6 (more conservative)
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if [[ $optimal_parallel -lt 2 ]]; then
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optimal_parallel=2
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elif [[ $optimal_parallel -gt 6 ]]; then
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optimal_parallel=6
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fi
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;;
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*)
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# Default: min 2, max 4 (safest)
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if [[ $optimal_parallel -lt 2 ]]; then
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optimal_parallel=2
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elif [[ $optimal_parallel -gt 4 ]]; then
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optimal_parallel=4
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fi
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;;
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esac
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# Use configured value if available, otherwise use calculated optimal
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if [[ -n "${MOLE_PARALLEL_JOBS:-}" ]]; then
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echo "$MOLE_PARALLEL_JOBS"
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else
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echo "$optimal_parallel"
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fi
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}
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# Initialize configuration on sourcing
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load_config
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@@ -7,8 +7,10 @@ declare -a menu_options=()
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declare -i selected=0
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declare -i menu_size=0
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# ANSI escape sequences
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readonly ESC=$'\033'
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# ANSI escape sequences (allow reuse when sourced after lib/common.sh)
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if [[ -z "${ESC+x}" ]]; then
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readonly ESC=$'\033'
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fi
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readonly UP="${ESC}[A"
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readonly DOWN="${ESC}[B"
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readonly ENTER=$'\n'
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