From 8849c22ca0d005debc24abac11d379e994a9c850 Mon Sep 17 00:00:00 2001
From: Michael Podtserkovskii <michaelpo@meta.com>
Date: Wed, 28 Aug 2024 10:13:51 +0100
Subject: [PATCH] report packages loading failure with a specific  exit-code

---
 pkg/exitcodes/exitcodes.go | 11 +++++++++++
 pkg/lint/package.go        |  6 +++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkg/exitcodes/exitcodes.go b/pkg/exitcodes/exitcodes.go
index 83331dbe7b48..3fb562f223b9 100644
--- a/pkg/exitcodes/exitcodes.go
+++ b/pkg/exitcodes/exitcodes.go
@@ -1,5 +1,9 @@
 package exitcodes
 
+import (
+	"fmt"
+)
+
 const (
 	Success = iota
 	IssuesFound
@@ -9,17 +13,24 @@ const (
 	NoGoFiles
 	NoConfigFileDetected
 	ErrorWasLogged
+	PackagesLoadingFailure
 )
 
 type ExitError struct {
+	Inner   error
 	Message string
 	Code    int
 }
 
 func (e ExitError) Error() string {
+	if e.Inner != nil {
+		return fmt.Sprintf("%s, %s", e.Message, e.Inner.Error())
+	}
 	return e.Message
 }
 
+func (e ExitError) Unwrap() error { return e.Inner }
+
 var (
 	ErrNoGoFiles = &ExitError{
 		Message: "no go files to analyze",
diff --git a/pkg/lint/package.go b/pkg/lint/package.go
index c314166cae37..13c340a7e291 100644
--- a/pkg/lint/package.go
+++ b/pkg/lint/package.go
@@ -84,7 +84,11 @@ func (l *PackageLoader) loadPackages(ctx context.Context, loadMode packages.Load
 
 	pkgs, err := packages.Load(conf, args...)
 	if err != nil {
-		return nil, fmt.Errorf("failed to load with go/packages: %w", err)
+		return nil, &exitcodes.ExitError{
+			Inner:   err,
+			Message: "failed to load with go/packages:",
+			Code:    exitcodes.PackagesLoadingFailure,
+		}
 	}
 
 	if loadMode&packages.NeedSyntax == 0 {