auth/file_source: don't try to read non-existent files

Commit b33b3e9 introduced a bug where we try to read a token file even if it doesn't exist, causing unauthenticated run (e.g. `gdrive about`) to fail with the error Failed getting oauth client: Failed to read token: unexpected end of JSON input Closes prasmussen#257.
jcruzcruz · Feb 14, 2017 · 2aa4234 · 2aa4234
1 parent c7ad977
commit 2aa4234
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/auth/file_source.go b/auth/file_source.go
@@ -47,7 +47,7 @@ func ReadFile(path string) ([]byte, bool, error) {
 func ReadToken(path string) (*oauth2.Token, bool, error) {
 
 	content, exists, err := ReadFile(path)
-	if err != nil {
+	if err != nil || exists == false {
 		return nil, exists, err
 	}