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Mole/lib/optimize_health.sh
2025-11-14 21:19:24 +08:00

289 lines
8.6 KiB
Bash
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#!/bin/bash
# System Health Check - Pure Bash Implementation
# Replaces optimize-go
set -euo pipefail
# Get memory info in GB
get_memory_info() {
local total_bytes used_gb total_gb
# Total memory
total_bytes=$(sysctl -n hw.memsize 2>/dev/null || echo "0")
total_gb=$(awk "BEGIN {printf \"%.2f\", $total_bytes / (1024*1024*1024)}")
# Used memory from vm_stat
local vm_output active wired compressed page_size
vm_output=$(vm_stat 2>/dev/null || echo "")
page_size=4096
active=$(echo "$vm_output" | awk '/Pages active:/ {print $NF}' | tr -d '.')
wired=$(echo "$vm_output" | awk '/Pages wired down:/ {print $NF}' | tr -d '.')
compressed=$(echo "$vm_output" | awk '/Pages occupied by compressor:/ {print $NF}' | tr -d '.')
active=${active:-0}
wired=${wired:-0}
compressed=${compressed:-0}
local used_bytes=$(( (active + wired + compressed) * page_size ))
used_gb=$(awk "BEGIN {printf \"%.2f\", $used_bytes / (1024*1024*1024)}")
echo "$used_gb $total_gb"
}
# Get disk info
get_disk_info() {
local home="${HOME:-/}"
local df_output total_gb used_gb used_percent
df_output=$(df -k "$home" 2>/dev/null | tail -1)
local total_kb used_kb
total_kb=$(echo "$df_output" | awk '{print $2}')
used_kb=$(echo "$df_output" | awk '{print $3}')
total_gb=$(awk "BEGIN {printf \"%.2f\", $total_kb / (1024*1024)}")
used_gb=$(awk "BEGIN {printf \"%.2f\", $used_kb / (1024*1024)}")
used_percent=$(awk "BEGIN {printf \"%.1f\", ($used_kb / $total_kb) * 100}")
echo "$used_gb $total_gb $used_percent"
}
# Get uptime in days
get_uptime_days() {
local boot_output boot_time uptime_days
boot_output=$(sysctl -n kern.boottime 2>/dev/null || echo "")
boot_time=$(echo "$boot_output" | sed -n 's/.*sec = \([0-9]*\).*/\1/p')
if [[ -n "$boot_time" ]]; then
local now=$(date +%s)
local uptime_sec=$((now - boot_time))
uptime_days=$(awk "BEGIN {printf \"%.1f\", $uptime_sec / 86400}")
else
uptime_days="0"
fi
echo "$uptime_days"
}
# Get directory size in KB
dir_size_kb() {
local path="$1"
[[ ! -e "$path" ]] && echo "0" && return
du -sk "$path" 2>/dev/null | awk '{print $1}' || echo "0"
}
# Format size from KB
format_size_kb() {
local kb="$1"
[[ "$kb" -le 0 ]] && echo "0B" && return
local mb gb
mb=$(awk "BEGIN {printf \"%.1f\", $kb / 1024}")
gb=$(awk "BEGIN {printf \"%.2f\", $mb / 1024}")
if awk "BEGIN {exit !($gb >= 1)}"; then
echo "${gb}GB"
elif awk "BEGIN {exit !($mb >= 1)}"; then
printf "%.0fMB\n" "$mb"
else
echo "${kb}KB"
fi
}
# Check startup items count
check_startup_items() {
local count=0
local dirs=(
"$HOME/Library/LaunchAgents"
"/Library/LaunchAgents"
)
for dir in "${dirs[@]}"; do
[[ -d "$dir" ]] && count=$((count + $(ls -1 "$dir" 2>/dev/null | wc -l)))
done
if [[ $count -gt 5 ]]; then
local suggested=$((count / 2))
[[ $suggested -lt 1 ]] && suggested=1
echo "startup_items|Startup Items|${count} items (suggest disable ${suggested})|false"
fi
}
# Check cache size
check_cache_refresh() {
local cache_dir="$HOME/Library/Caches"
local size_kb=$(dir_size_kb "$cache_dir")
local desc="Refresh Finder previews, Quick Look, and Safari caches"
if [[ $size_kb -gt 0 ]]; then
local size_str=$(format_size_kb "$size_kb")
desc="Refresh ${size_str} of Finder/Safari caches"
fi
echo "cache_refresh|User Cache Refresh|${desc}|true"
}
# Check Mail downloads
check_mail_downloads() {
local dirs=(
"$HOME/Library/Mail Downloads"
"$HOME/Library/Containers/com.apple.mail/Data/Library/Mail Downloads"
)
local total_kb=0
for dir in "${dirs[@]}"; do
total_kb=$((total_kb + $(dir_size_kb "$dir")))
done
if [[ $total_kb -gt 0 ]]; then
local size_str=$(format_size_kb "$total_kb")
echo "mail_downloads|Mail Downloads|Recover ${size_str} of Mail attachments|true"
fi
}
# Check saved state
check_saved_state() {
local state_dir="$HOME/Library/Saved Application State"
local size_kb=$(dir_size_kb "$state_dir")
if [[ $size_kb -gt 0 ]]; then
local size_str=$(format_size_kb "$size_kb")
echo "saved_state_cleanup|Saved State|Clear ${size_str} of stale saved states|true"
fi
}
# Check swap files
check_swap_cleanup() {
local total_kb=0
local file
for file in /private/var/vm/swapfile*; do
[[ -f "$file" ]] && total_kb=$((total_kb + $(stat -f%z "$file" 2>/dev/null || echo 0) / 1024))
done
if [[ $total_kb -gt 0 ]]; then
local size_str=$(format_size_kb "$total_kb")
echo "swap_cleanup|Memory & Swap|Purge swap (${size_str}) & inactive memory|false"
fi
}
# Check login items
check_login_items() {
local items
items=$(osascript -e 'tell application "System Events" to get the name of every login item' 2>/dev/null || echo "")
[[ -z "$items" || "$items" == "missing value" ]] && return
local count=$(echo "$items" | tr ',' '\n' | grep -v '^[[:space:]]*$' | wc -l | tr -d ' ')
[[ $count -gt 0 ]] && echo "login_items|Login Items|Review ${count} login items|true"
}
# Check local snapshots
check_local_snapshots() {
command -v tmutil >/dev/null 2>&1 || return
local snapshots
snapshots=$(tmutil listlocalsnapshots / 2>/dev/null || echo "")
local count
count=$(echo "$snapshots" | grep -c "com.apple.TimeMachine" 2>/dev/null)
count=$(echo "$count" | tr -d ' \n')
count=${count:-0}
[[ "$count" =~ ^[0-9]+$ ]] && [[ $count -gt 0 ]] && echo "local_snapshots|Local Snapshots|${count} APFS local snapshots detected|true"
}
# Check developer cleanup
check_developer_cleanup() {
local dirs=(
"$HOME/Library/Developer/Xcode/DerivedData"
"$HOME/Library/Developer/Xcode/Archives"
"$HOME/Library/Developer/Xcode/iOS DeviceSupport"
"$HOME/Library/Developer/CoreSimulator/Caches"
)
local total_kb=0
for dir in "${dirs[@]}"; do
total_kb=$((total_kb + $(dir_size_kb "$dir")))
done
if [[ $total_kb -gt 0 ]]; then
local size_str=$(format_size_kb "$total_kb")
echo "developer_cleanup|Developer Cleanup|Recover ${size_str} of Xcode/simulator data|false"
fi
}
# Generate JSON output
generate_health_json() {
# System info
read -r mem_used mem_total <<< "$(get_memory_info)"
read -r disk_used disk_total disk_percent <<< "$(get_disk_info)"
local uptime=$(get_uptime_days)
# Start JSON
cat << EOF
{
"memory_used_gb": $mem_used,
"memory_total_gb": $mem_total,
"disk_used_gb": $disk_used,
"disk_total_gb": $disk_total,
"disk_used_percent": $disk_percent,
"uptime_days": $uptime,
"optimizations": [
EOF
# Collect all optimization items
local -a items=()
# Always-on items
items+=('system_maintenance|System Maintenance|Rebuild system databases & flush caches|true')
items+=('network_services|Network Services|Reset network services|true')
items+=('maintenance_scripts|Maintenance Scripts|Run daily/weekly/monthly scripts & rotate logs|true')
items+=('radio_refresh|Bluetooth & Wi-Fi Refresh|Reset wireless preference caches|true')
items+=('recent_items|Recent Items|Clear recent apps/documents/servers lists|true')
items+=('log_cleanup|Diagnostics Cleanup|Purge old diagnostic & crash logs|true')
items+=('finder_dock_refresh|Finder & Dock Refresh|Clear Finder/Dock caches and restart|true')
items+=('startup_cache|Startup Cache Rebuild|Rebuild kext caches & prelinked kernel|true')
# Conditional items
local item
item=$(check_startup_items || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_cache_refresh || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_mail_downloads || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_saved_state || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_swap_cleanup || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_login_items || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_local_snapshots || true); [[ -n "$item" ]] && items+=("$item")
item=$(check_developer_cleanup || true); [[ -n "$item" ]] && items+=("$item")
# Output items as JSON
local first=true
for item in "${items[@]}"; do
IFS='|' read -r action name desc safe <<< "$item"
[[ "$first" == "true" ]] && first=false || echo ","
cat << EOF
{
"category": "system",
"name": "$name",
"description": "$desc",
"action": "$action",
"safe": $safe
}
EOF
done
# Close JSON
cat << 'EOF'
]
}
EOF
}
# Main execution
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
generate_health_json
fi