repo: Add ostree_repo_remote_get_gpg_verify()

Trivial function, but it does at least centralize the default value.

src/libostree/ostree-repo.c

@@ -1068,6 +1068,29 @@ ostree_repo_remote_get_url (OstreeRepo  *self,
   return ret;
 }
 
+/**
+ * ostree_repo_remote_get_gpg_verify:
+ * @self: Repo
+ * @name: Name of remote
+ * @out_gpg_verify: (out) (allow-none): Remote's GPG option
+ * @error: Error
+ *
+ * Return whether GPG verification is enabled for the remote named @name
+ * through @out_gpg_verify.  It is an error if the provided remote does
+ * not exist.
+ *
+ * Returns: %TRUE on success, %FALSE on failure
+ */
+gboolean
+ostree_repo_remote_get_gpg_verify (OstreeRepo  *self,
+                                   const char  *name,
+                                   gboolean    *out_gpg_verify,
+                                   GError     **error)
+{
+  return _ostree_repo_get_remote_boolean_option (self, name, "gpg-verify",
+                                                 TRUE, out_gpg_verify, error);
+}
+
 static gboolean
 ostree_repo_mode_to_string (OstreeRepoMode   mode,
                             const char     **out_mode,