macOS Disk Cleanup Script

#!/bin/bash

# This resource is provided as a convenience for Level users. We cannot 
# guarantee it will work in all environments. Please test before deploying 
# to your production environment. We welcome contributions to our community 
# library

# Level Library
# https://level.io/library/script-macos-disk-cleanup

# Create log file
LOG_FILE="/tmp/cleanup_$(date +%Y%m%d_%H%M).log"
TOTAL_SAVED=0

log_message() {
    echo "$1" | tee -a "$LOG_FILE"
}

get_size() {
    if [[ -e $1 ]]; then
        du -sk "$1" 2>/dev/null | cut -f1
    else
        echo "0"
    fi
}

delete_safely() {
    local path="$1"
    local desc="$2"
    
    if [[ -e "$path" ]]; then
        local size_before=$(get_size "$path")
        
        if rm -rf "$path" 2>/dev/null; then
            local freed=$((size_before))
            TOTAL_SAVED=$((TOTAL_SAVED + freed))
            log_message "Cleaned $desc - Freed $((freed/1024)) MB"
        else
            log_message "Skipped $desc - Could not delete (may be locked or permission denied)"
        fi
    fi
}

log_message "Cleanup started at $(date)"

# Clean various temp directories
TEMP_PATHS=(
    "/tmp/*"
    "/private/tmp/*"
    "/private/var/tmp/*"
    "$HOME/Library/Caches/*"
    "$HOME/Library/Logs/*"
    "$HOME/Library/Safari/Downloads/*"
)

log_message "Cleaning temporary files..."
for path in "${TEMP_PATHS[@]}"; do
    find "$path" -mindepth 1 -mtime +1 -print0 2>/dev/null | while IFS= read -r -d '' file; do
        if [[ ! -f "$file" ]] || lsof "$file" >/dev/null 2>&1; then
            continue
        fi
        delete_safely "$file" "temp file: $(basename "$file")"
    done
done

# Clean Downloads folder
log_message "Cleaning Downloads folder..."
if [[ -d "$HOME/Downloads" ]]; then
    find "$HOME/Downloads" -mindepth 1 -mtime +30 -print0 2>/dev/null | while IFS= read -r -d '' file; do
        if [[ ! -f "$file" ]] || lsof "$file" >/dev/null 2>&1; then
            continue
        fi
        delete_safely "$file" "old download: $(basename "$file")"
    done
fi

# Clean Chrome Cache (if Chrome is installed)
if [[ -d "$HOME/Library/Caches/Google/Chrome" ]]; then
    log_message "Cleaning Chrome Cache..."
    delete_safely "$HOME/Library/Caches/Google/Chrome/Default/Cache/*" "Chrome cache"
fi

# Clean system logs
log_message "Cleaning system logs..."
sudo rm -rf /private/var/log/*.log* 2>/dev/null
sudo rm -rf /private/var/log/asl/*.asl 2>/dev/null

# Clean XCode derived data (if XCode is installed)
if [[ -d "$HOME/Library/Developer/Xcode/DerivedData" ]]; then
    log_message "Cleaning XCode derived data..."
    delete_safely "$HOME/Library/Developer/Xcode/DerivedData" "XCode derived data"
fi

# Clean App Store cache
log_message "Cleaning App Store cache..."
delete_safely "$HOME/Library/Caches/com.apple.appstore" "App Store cache"

# Final summary
TOTAL_GB=$(echo "scale=2; $TOTAL_SAVED/1024/1024" | bc)
TOTAL_MB=$(echo "scale=2; $TOTAL_SAVED/1024" | bc)

log_message "Cleanup completed at $(date)"
log_message "-------------------------------------------"
log_message "Disk cleanup completed successfully."
log_message "Total space freed: ${TOTAL_MB} MB (${TOTAL_GB} GB)"
log_message "Log file saved to: $LOG_FILE"
log_message "-------------------------------------------"

# Empty trash
log_message "Emptying Trash..."

GUI_USER=$(stat -f '%Su' /dev/console)
USER_HOME=$(dscl . -read /Users/"$GUI_USER" NFSHomeDirectory | awk '{print $2}')
TRASH_PATH="$USER_HOME/.Trash"

if [[ -d "$TRASH_PATH" ]]; then
    find "$TRASH_PATH" -mindepth 1 -exec rm -rf {} + 2>/dev/null
    log_message "Trash emptied from $TRASH_PATH (user: $GUI_USER)."
else
    log_message "Trash folder not found at $TRASH_PATH or already empty (user: $GUI_USER)."
fi