repo: Add ostree_repo_remote_get_gpg_verify()

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

doc/ostree-sections.txt

@@ -231,6 +231,7 @@ OstreeRepoRemoteChange
 ostree_repo_remote_change
 ostree_repo_remote_list
 ostree_repo_remote_get_url
+ostree_repo_remote_get_gpg_verify
 ostree_repo_get_parent
 ostree_repo_write_config
 OstreeRepoTransactionStats

src/libostree/ostree-repo-pull.c

@@ -1696,9 +1696,8 @@ ostree_repo_pull_with_options (OstreeRepo             *self,
     {
       pull_data->remote_name = g_strdup (remote_name_or_baseurl);
 
-      if (!_ostree_repo_get_remote_boolean_option (self,
+      if (!ostree_repo_remote_get_gpg_verify (self, remote_name_or_baseurl,
-                                                   remote_name_or_baseurl, "gpg-verify",
+                                              &pull_data->gpg_verify, error))
-                                                   TRUE, &pull_data->gpg_verify, error))
         goto out;
     }
 

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,

src/libostree/ostree-repo.h

@@ -107,6 +107,11 @@ gboolean      ostree_repo_remote_get_url (OstreeRepo   *self,
                                           char        **out_url,
                                           GError      **error);
 
+gboolean      ostree_repo_remote_get_gpg_verify (OstreeRepo  *self,
+                                                 const char  *name,
+                                                 gboolean    *out_gpg_verify,
+                                                 GError     **error);
+
 OstreeRepo * ostree_repo_get_parent (OstreeRepo  *self);
 
 gboolean      ostree_repo_write_config (OstreeRepo *self,