revert back to previous file to save logic

pkg/executor/build.go

@@ -655,16 +655,26 @@ func DoBuild(opts *config.KanikoOptions) (v1.Image, error) {
 // If a file is a symlink, it also returns the target file.
 func filesToSave(deps []string) ([]string, error) {
 	srcFiles := []string{}
-	srcs, err := util.ResolveSources(deps, config.RootDir)
+	for _, src := range deps {
+		srcs, err := filepath.Glob(filepath.Join(config.RootDir, src))
 		if err != nil {
-		return nil, errors.Wrap(err, "resolving sources to save")
+			return nil, err
 		}
 		for _, f := range srcs {
 			if link, err := util.EvalSymLink(f); err == nil {
+				link, err = filepath.Rel(config.RootDir, link)
+				if err != nil {
+					return nil, errors.Wrap(err, fmt.Sprintf("could not find relative path to %s", config.RootDir))
+				}
 				srcFiles = append(srcFiles, link)
 			}
+			f, err = filepath.Rel(config.RootDir, f)
+			if err != nil {
+				return nil, errors.Wrap(err, fmt.Sprintf("could not find relative path to %s", config.RootDir))
+			}
 			srcFiles = append(srcFiles, f)
 		}
+	}
 	return srcFiles, nil
 }
 

pkg/executor/build_test.go

@@ -396,11 +396,7 @@ func Test_filesToSave(t *testing.T) {
 				fp.Close()
 			}
 
-			args := []string{}
+			got, err := filesToSave(tt.args)
-			for _, arg := range tt.args {
-				args = append(args, filepath.Join(tmpDir, arg))
-			}
-			got, err := filesToSave(args)
 			if err != nil {
 				t.Errorf("got err: %s", err)
 			}