fix: unique version per custom build

Author: ldez

pkg/commands/internal/builder.go

@@ -173,12 +173,14 @@ func (b Builder) goModTidy(ctx context.Context) error {
 }
 
 func (b Builder) goBuild(ctx context.Context, binaryName string) error {
+	now := time.Now().UTC()
+
 	//nolint:gosec // the variable is sanitized.
 	cmd := exec.CommandContext(ctx, "go", "build",
 		"-ldflags",
 		fmt.Sprintf(
-			"-s -w -X 'main.version=%s-custom-gcl' -X 'main.date=%s'",
-			sanitizeVersion(b.cfg.Version), time.Now().UTC().String(),
+			"-s -w -X 'main.version=%s' -X 'main.date=%s'",
+			createVersion(b.cfg.Version, now), now.String(),
 		),
 		"-o", binaryName,
 		"./cmd/golangci-lint",
@@ -241,6 +243,10 @@ func (b Builder) getBinaryName() string {
 	return name
 }
 
+func createVersion(orig string, now time.Time) string {
+	return fmt.Sprintf("%s-custom-gcl-%d", sanitizeVersion(orig), now.UnixNano())
+}
+
 func sanitizeVersion(v string) string {
 	fn := func(c rune) bool {
 		return !unicode.IsLetter(c) && !unicode.IsNumber(c) && c != '.' && c != '/'

pkg/commands/internal/builder_test.go

@@ -2,8 +2,10 @@ package internal
 
 import (
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func Test_sanitizeVersion(t *testing.T) {
@@ -54,3 +56,12 @@ func Test_sanitizeVersion(t *testing.T) {
 		})
 	}
 }
+
+func Test_createVersion(t *testing.T) {
+	parse, err := time.Parse(time.RFC3339Nano, "2010-02-04T21:00:57.123456789+08:00")
+	require.NoError(t, err)
+
+	version := createVersion("1.2.3", parse)
+
+	assert.Equal(t, "1.2.3-custom-gcl-1265288457123456789", version)
+}