Only reload if data files were changed

Instead of blindly reloading data in io_reload_data(), compare the
stored hashes of the data files with hashes of the current file contents
and only reload if any of the hashes differs.

Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/io.c b/src/io.c
index 9e75262..0cefa9c 100644
--- a/src/io.c
+++ b/src/io.c
@@ -870,12 +870,13 @@ void io_load_data(struct item_filter *filter)
 	run_hook("post-load");
 }
 
-void io_reload_data(void)
+int io_reload_data(void)
 {
 	char *msg_um_asktype = NULL;
 	const char *reload_success =
 		_("The data files were reloaded successfully");
 	const char *enter = _("Press [ENTER] to continue");
+	int ret = 0;
 
 	if (io_get_modified()) {
 		const char *msg_um_prefix =
@@ -902,6 +903,9 @@ void io_reload_data(void)
 		}
 	}
 
+	if (!io_check_data_files_modified())
+		goto cleanup;
+
 	if (notify_bar())
 		notify_stop_main_thread();
 
@@ -939,8 +943,11 @@ void io_reload_data(void)
 	if (notify_bar())
 		notify_start_main_thread();
 
+	ret = 1;
+
 cleanup:
 	mem_free(msg_um_asktype);
+	return ret;
 }
 
 static void