fix compiler errors

Author: jonatan5524

repo_blob.go

@@ -4,8 +4,26 @@
 
 package git
 
+import "time"
+
+// CatFileBlobOptions contains optional arguments for verifying the objects.
+//
+// Docs: https://git-scm.com/docs/git-cat-file#Documentation/git-cat-file.txt
+type CatFileBlobOptions struct {
+// The timeout duration before giving up for each shell command execution.
+// The default timeout duration will be used when not supplied.
+Timeout time.Duration
+// The additional options to be passed to the underlying git.
+CommandOptions
+}
+
 // CatFileBlob returns the blob corresponding to the given revision of the repository.
-func (r *Repository) CatFileBlob(rev string) (*Blob, error) {
+func (r *Repository) CatFileBlob(rev string, opts ...CatFileBlobOptions) (*Blob, error) {
+var opt CatFileBlobOptions
+if len(opts) > 0 {
+opt = opts[0]
+}
+
 rev, err := r.RevParse(rev, RevParseOptions{Timeout: opt.Timeout}) //nolint
 if err != nil {
 return nil, err