From 1533cb59fa2348d01e5e549e81cccae6fbf53b8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C2=A8Owen=20Rumney?= <owen.rumney@form3.tech>
Date: Wed, 10 Feb 2021 13:17:21 +0000
Subject: [PATCH] update the documentation and a bit of logging

---
 cmd/squealer/main.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/cmd/squealer/main.go b/cmd/squealer/main.go
index 45e5b6d..f2111b2 100644
--- a/cmd/squealer/main.go
+++ b/cmd/squealer/main.go
@@ -36,13 +36,13 @@ func squeal(_ *cobra.Command, args []string) {
 	}
 	cfg, err := config.LoadConfig(configFilePath)
 	if err != nil {
-		panic(err)
+		fail(err)
 	}
 
 	scanner := getScanner(cfg, basePath)
 	err = scanner.Scan()
 	if err != nil {
-		panic(err)
+		fail(err)
 	}
 	metrics := scanner.GetMetrics()
 	if !concise {
@@ -64,7 +64,7 @@ func getScanner(cfg *config.Config, basePath string) scan.Scanner {
 		ToHash:   toHash,
 	})
 	if err != nil {
-		panic(err)
+		fail(err)
 	}
 	return scanner
 }
@@ -114,3 +114,8 @@ func listenForExit() {
 		os.Exit(0)
 	}()
 }
+
+func fail(err error) {
+	fmt.Println(err.Error())
+	os.Exit(-1)
+}