```go
package main
import (
"golang.org/x/crypto/bcrypt"
"log"
"os"
)
// NOTE: You need to escape the dollar signs in the hash with \
// HASH="xxx" PASSWORD=xxx go run main.go
func main() {
hash, ok := os.LookupEnv("HASH")
if !ok {
log.Fatal("The HASH environment variable is not set")
}
password, ok := os.LookupEnv("PASSWORD")
if !ok {
log.Fatal("The PASSWORD environment variable is not set")
}
if isMatch(password, hash) {
log.Printf("Match '%s' == '%s'", hash, password)
} else {
log.Printf("Mismatch '%s' != '%s'", hash, password)
}
}
func isMatch(password string, hash string) bool {
err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
return err == nil
}
```