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Mole/lib/check_health.sh
2025-11-27 07:29:06 +09:00

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7.5 KiB
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#!/bin/bash
# System health checks
# Sets global variables for use in suggestions
check_disk_space() {
local free_gb=$(df -H / | awk 'NR==2 {print $4}' | sed 's/G//')
local free_num=$(echo "$free_gb" | tr -d 'G' | cut -d'.' -f1)
export DISK_FREE_GB=$free_num
if [[ $free_num -lt 20 ]]; then
echo -e " ${RED}${NC} Disk Space ${RED}${free_gb}GB free${NC} (Critical)"
elif [[ $free_num -lt 50 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Disk Space ${YELLOW}${free_gb}GB free${NC} (Low)"
else
echo -e " ${GREEN}${NC} Disk Space ${free_gb}GB free"
fi
}
check_memory_usage() {
local mem_total
mem_total=$(sysctl -n hw.memsize 2> /dev/null || echo "0")
if [[ -z "$mem_total" || "$mem_total" -le 0 ]]; then
echo -e " ${GRAY}-${NC} Memory Unable to determine"
return
fi
local vm_output
vm_output=$(vm_stat 2> /dev/null || echo "")
local page_size
page_size=$(echo "$vm_output" | awk '/page size of/ {print $8}')
[[ -z "$page_size" ]] && page_size=4096
local free_pages inactive_pages spec_pages
free_pages=$(echo "$vm_output" | awk '/Pages free/ {gsub(/\./,"",$3); print $3}')
inactive_pages=$(echo "$vm_output" | awk '/Pages inactive/ {gsub(/\./,"",$3); print $3}')
spec_pages=$(echo "$vm_output" | awk '/Pages speculative/ {gsub(/\./,"",$3); print $3}')
free_pages=${free_pages:-0}
inactive_pages=${inactive_pages:-0}
spec_pages=${spec_pages:-0}
# Estimate used percent: (total - free - inactive - speculative) / total
local total_pages=$((mem_total / page_size))
local free_total=$((free_pages + inactive_pages + spec_pages))
local used_pages=$((total_pages - free_total))
if ((used_pages < 0)); then
used_pages=0
fi
local used_percent
used_percent=$(awk "BEGIN {printf \"%.0f\", ($used_pages / $total_pages) * 100}")
((used_percent > 100)) && used_percent=100
((used_percent < 0)) && used_percent=0
if [[ $used_percent -gt 90 ]]; then
echo -e " ${RED}${NC} Memory ${RED}${used_percent}% used${NC} (Critical)"
elif [[ $used_percent -gt 80 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Memory ${YELLOW}${used_percent}% used${NC} (High)"
else
echo -e " ${GREEN}${NC} Memory ${used_percent}% used"
fi
}
check_login_items() {
local login_items_count=0
local -a login_items_list=()
if [[ -t 0 ]]; then
# Show spinner while getting login items
if [[ -t 1 ]]; then
start_inline_spinner "Checking login items..."
fi
while IFS= read -r login_item; do
[[ -n "$login_item" ]] && login_items_list+=("$login_item")
done < <(list_login_items || true)
login_items_count=${#login_items_list[@]}
# Stop spinner before output
if [[ -t 1 ]]; then
stop_inline_spinner
fi
fi
if [[ $login_items_count -gt 15 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Login Items ${YELLOW}${login_items_count} apps${NC} auto-start (High)"
elif [[ $login_items_count -gt 0 ]]; then
echo -e " ${GREEN}${NC} Login Items ${login_items_count} apps auto-start"
else
echo -e " ${GREEN}${NC} Login Items None"
return
fi
# Show items in a single line
local preview_limit=5
((preview_limit > login_items_count)) && preview_limit=$login_items_count
local items_display=""
for ((i = 0; i < preview_limit; i++)); do
if [[ $i -eq 0 ]]; then
items_display="${login_items_list[$i]}"
else
items_display="${items_display}, ${login_items_list[$i]}"
fi
done
if ((login_items_count > preview_limit)); then
local remaining=$((login_items_count - preview_limit))
items_display="${items_display}, and ${remaining} more"
fi
echo -e " ${GRAY}${items_display}${NC}"
echo -e " ${GRAY}Manage in System Settings → Login Items${NC}"
}
check_cache_size() {
local cache_size_kb=0
# Check common cache locations
local -a cache_paths=(
"$HOME/Library/Caches"
"$HOME/Library/Logs"
)
# Show spinner while calculating cache size
if [[ -t 1 ]]; then
start_inline_spinner "Scanning cache..."
fi
for cache_path in "${cache_paths[@]}"; do
if [[ -d "$cache_path" ]]; then
local size_output
size_output=$(du -sk "$cache_path" 2> /dev/null | awk 'NR==1 {print $1}' | tr -d '[:space:]' || echo "")
[[ "$size_output" =~ ^[0-9]+$ ]] || size_output=0
cache_size_kb=$((cache_size_kb + size_output))
fi
done
local cache_size_gb=$(echo "scale=1; $cache_size_kb / 1024 / 1024" | bc)
export CACHE_SIZE_GB=$cache_size_gb
# Stop spinner before output
if [[ -t 1 ]]; then
stop_inline_spinner
fi
# Convert to integer for comparison
local cache_size_int=$(echo "$cache_size_gb" | cut -d'.' -f1)
if [[ $cache_size_int -gt 10 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Cache Size ${YELLOW}${cache_size_gb}GB${NC} cleanable"
elif [[ $cache_size_int -gt 5 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Cache Size ${YELLOW}${cache_size_gb}GB${NC} cleanable"
else
echo -e " ${GREEN}${NC} Cache Size ${cache_size_gb}GB"
fi
}
check_swap_usage() {
# Check swap usage
if command -v sysctl > /dev/null 2>&1; then
local swap_info=$(sysctl vm.swapusage 2> /dev/null || echo "")
if [[ -n "$swap_info" ]]; then
local swap_used=$(echo "$swap_info" | grep -o "used = [0-9.]*[GM]" | awk '{print $3}' || echo "0M")
local swap_num=$(echo "$swap_used" | sed 's/[GM]//')
if [[ "$swap_used" == *"G"* ]]; then
local swap_gb=${swap_num%.*}
if [[ $swap_gb -gt 2 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Swap Usage ${YELLOW}${swap_used}${NC} (High)"
else
echo -e " ${GREEN}${NC} Swap Usage ${swap_used}"
fi
else
echo -e " ${GREEN}${NC} Swap Usage ${swap_used}"
fi
fi
fi
}
check_brew_health() {
# Check Homebrew doctor
if command -v brew > /dev/null 2>&1; then
# Show spinner while running brew doctor
if [[ -t 1 ]]; then
start_inline_spinner "Running brew doctor..."
fi
local brew_doctor=$(brew doctor 2>&1 || echo "")
# Stop spinner before output
if [[ -t 1 ]]; then
stop_inline_spinner
fi
if echo "$brew_doctor" | grep -q "ready to brew"; then
echo -e " ${GREEN}${NC} Homebrew Healthy"
else
local warning_count=$(echo "$brew_doctor" | grep -c "Warning:" || echo "0")
if [[ $warning_count -gt 0 ]]; then
echo -e " ${YELLOW}${ICON_WARNING}${NC} Homebrew ${YELLOW}${warning_count} warnings${NC}"
echo -e " ${GRAY}Run: ${GREEN}brew doctor${NC} to see fixes, then rerun until clean${NC}"
export BREW_HAS_WARNINGS=true
else
echo -e " ${GREEN}${NC} Homebrew Healthy"
fi
fi
fi
}
check_system_health() {
check_disk_space
check_memory_usage
check_swap_usage
check_login_items
check_cache_size
# Time Machine check is optional; skip by default to avoid noise on systems without backups
check_brew_health
}