Skip .git and skip non-go files in vendor

main.go

@@ -7,9 +7,11 @@ import (
 	"go/ast"
 	"go/parser"
 	"go/token"
+	"io/fs"
 	"os"
 	"os/exec"
 	"path/filepath"
+	"slices"
 	"strings"
 	"time"
 
@@ -29,7 +31,7 @@ import (
 // TODO: Detect and warn on incorrect Go version based on go mod
 // TODO: Better error handling when go mod vendor fails
 func main() {
-	log.Debug("Running version v0.0.14")
+	log.Debug("Running version v0.0.15")
 
 	flag.Parse()
 	inputPath := flag.Arg(0)
@@ -79,7 +81,7 @@ func main() {
 		}
 	}
 
-	log.Debug("Ran version v0.0.14")
+	log.Debug("Ran version v0.0.15")
 }
 
 func getMainFiles(absPathStat os.FileInfo, absPath string) ([]string, error) {
@@ -176,7 +178,23 @@ func packageMainFile(mainFile string, packageDate string) error {
 	copyDir := tempWorkDir + "/" + filepath.Base(filepath.Dir(goModPath))
 
 	log.WithFields(log.Fields{"from": parentDir, "to": copyDir}).Debug("Copying files")
-	err = copy.Copy(parentDir, copyDir)
+	err = copy.Copy(parentDir, copyDir, copy.Options{
+		Skip: func(srcinfo fs.FileInfo, src string, dest string) (bool, error) {
+			filename := filepath.Base(src)
+			if filename == ".git" {
+				fmt.Println("Skipping copying: " + src)
+				return true, nil
+			}
+			pathComponentsLinux := strings.Split(src, "/")
+			pathComponentsWindows := strings.Split(src, "\\")
+			isInVendor := slices.Contains(pathComponentsLinux, "vendor") || slices.Contains(pathComponentsWindows, "vendor")
+			if isInVendor && !srcinfo.IsDir() && !strings.HasSuffix(src, ".go") {
+				fmt.Println("Skipping copying: " + src)
+				return true, nil
+			}
+			return false, nil
+		},
+	})
 	if err != nil {
 		return err
 	}