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package main
import (
"fmt"
"os"
"os/exec"
"time"
"github.com/fatih/color"
)
const TTL = 3 * 24 * time.Hour // 3 days
const cacheName = "brew-checked"
func EnsureBrewAvailable() {
// 1. check if cache file exists and is fresh
data, _ := ReadCache(cacheName, TTL)
t, _ := time.Parse(time.RFC3339, string(data))
if time.Since(t) < TTL {
return
}
// 2. otherwise, actually check
if _, err := exec.LookPath("brew"); err != nil {
// brew not found — no cache write
color.Red("🍺 Homebrew not installed.")
fmt.Println("This tool works only with Homebrew formulae and casks.")
os.Exit(1)
}
// 3. write cache
WriteCache(cacheName, []byte(time.Now().Format(time.RFC3339)))
}
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