From 28964d3fd95d33bd1f8643e3db9faef04ee84dd7 Mon Sep 17 00:00:00 2001
From: laurentsimon <64505099+laurentsimon@users.noreply.github.com>
Date: Thu, 28 Apr 2022 13:39:17 -0700
Subject: [PATCH] exit gracefully (#43)

---
 main.go | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/main.go b/main.go
index 1f726a8..e40f8ff 100644
--- a/main.go
+++ b/main.go
@@ -15,16 +15,6 @@ import (
 	"github.com/slsa-framework/slsa-verifier/pkg"
 )
 
-func usage(p string) {
-	panic(fmt.Sprintf("Usage: %s TODO\n", p))
-}
-
-func check(e error) {
-	if e != nil {
-		panic(e)
-	}
-}
-
 var (
 	provenancePath string
 	artifactPath   string
@@ -136,7 +126,8 @@ func main() {
 
 	if err := runVerify(artifactPath, provenancePath, source, branch,
 		ptag, pversiontag); err != nil {
-		log.Fatal(err)
+		fmt.Fprintf(os.Stderr, "verification failed: %v", err)
+		os.Exit(2)
 	}
 
 	fmt.Println("successfully verified SLSA provenance")