Update error handling

error.go

@@ -1,21 +0,0 @@
-package goldsmith
-
-import "fmt"
-
-// Error wraps the core error type to provide a plugin or filter name in
-// addition to the file path that was being processed at the time.
-type Error struct {
-	Name string
-	Path string
-	Err  error
-}
-
-// Error returns a string representation of the error.
-func (err Error) Error() string {
-	var path string
-	if len(err.Path) > 0 {
-		path = "@" + err.Path
-	}
-
-	return fmt.Sprintf("[%s%s]: %s", err.Name, path, err.Err.Error())
-}

file.go

@@ -93,6 +93,11 @@ func (file *File) Seek(offset int64, whence int) (int64, error) {
 	return file.reader.Seek(offset, whence)
 }
 
+// Returns value for string formatting.
+func (file *File) GoString() string {
+	return file.sourcePath
+}
+
 func (file *File) export(targetDir string) error {
 	targetPath := filepath.Join(targetDir, file.sourcePath)
 

goldsmith.go

@@ -2,6 +2,7 @@
 package goldsmith
 
 import (
+	"fmt"
 	"hash"
 	"hash/crc32"
 	"os"
@@ -164,13 +165,15 @@ func (goldsmith *Goldsmith) exportFile(file *File) error {
 	return nil
 }
 
-func (goldsmith *Goldsmith) fault(pluginName string, file *File, err error) {
+func (goldsmith *Goldsmith) fault(name string, file *File, err error) {
 	goldsmith.mutex.Lock()
 	defer goldsmith.mutex.Unlock()
 
-	faultError := &Error{Name: pluginName, Err: err}
-	if file != nil {
-		faultError.Path = file.sourcePath
+	var faultError error
+	if file == nil {
+		faultError = fmt.Errorf("[%s]: %w", name, err)
+	} else {
+		faultError = fmt.Errorf("[%s@%v]: %w", name, file, err)
 	}
 
 	goldsmith.errors = append(goldsmith.errors, faultError)