Respect '--parse' flag for files and non-TTY inputs.

* gash/gash.scm (main): Include 'parse?' in all calls to 'run-repl'.

gash/gash.scm

@@ -144,7 +144,7 @@ copyleft.
                  (set-program-arguments files)
                  (call-with-input-file script
                    (lambda (port)
-                     (exit (run-repl port))))))
+                     (exit (run-repl port parse?))))))
               ((isatty? (current-input-port))
                (let* ((HOME (string-append (getenv "HOME") "/.gash_history"))
                       (thunk (lambda ()
@@ -166,7 +166,7 @@ copyleft.
                  (with-readline-completion-function completion thunk)
                  (write-history HOME)
                  (newline)))
-              (else (exit (run-repl))))))))
+              (else (exit (run-repl (current-input-port) parse?))))))))
     (thunk)))
 
 (define prompt