Fix bug #2757 “Implement scan_required for maildir++ plugin”

Thanks clawsmail at quisquis.de for the patch.

diff --git a/src/maildir.c b/src/maildir.c
index c96f9946571f72b5a3c37f835a14ba75b0a87d24..180bd8c1f674b495d505e3e6d53bd3582c53b347 100644 (file)
--- a/src/maildir.c
+++ b/src/maildir.c
@@ -57,6 +57,7 @@ static gchar *maildir_item_get_path(Folder * folder, FolderItem * item);
 static gint maildir_get_num_list(Folder * folder, FolderItem * item,
                                 MsgNumberList ** list,
                                 gboolean * old_uids_valid);
+static gboolean maildir_scan_required(Folder * folder, FolderItem * item);
 static MsgInfo *maildir_get_msginfo(Folder * folder, FolderItem * item,
                                    gint num);
 static gchar *maildir_fetch_msg(Folder * folder, FolderItem * item,
@@ -121,6 +122,7 @@ FolderClass *maildir_get_class()
                maildir_class.remove_folder = maildir_remove_folder;
                maildir_class.rename_folder = maildir_rename_folder;
                maildir_class.get_num_list = maildir_get_num_list;
+               maildir_class.scan_required = maildir_scan_required;
 
                /* Message functions */
                maildir_class.get_msginfo = maildir_get_msginfo;
@@ -654,6 +656,31 @@ static MsgInfo *maildir_parse_msg(const gchar *file, FolderItem *item)
        return msginfo;
 }
 
+static gboolean maildir_scan_required(Folder * folder, FolderItem * item) {
+       gchar *path, *database;
+       struct stat my_stat;
+       time_t db_time;
+       gboolean result = FALSE;
+
+       path = maildir_item_get_path(FOLDER_ITEM(item)->folder, FOLDER_ITEM(item));
+       Xstrcat_a(database, path, G_DIR_SEPARATOR_S "sylpheed_uid.db", return -1);
+       if (lstat(database, &my_stat)) { goto OUTTAHERE; }
+       db_time = my_stat.st_mtime;
+
+       Xstrcat_a(database, path, G_DIR_SEPARATOR_S "new", return -1);
+       if (lstat(database, &my_stat)) { goto OUTTAHERE; }
+       result = my_stat.st_mtime > db_time;
+       if (!result) {
+               Xstrcat_a(database, path, G_DIR_SEPARATOR_S "cur", return -1);
+               if (lstat(database, &my_stat)) { goto OUTTAHERE; }
+               result = my_stat.st_mtime > db_time;
+       }
+OUTTAHERE:
+       g_free(path);
+
+       return result;
+}
+
 static MsgInfo *maildir_get_msginfo(Folder * folder,
                                    FolderItem * item, gint num)
 {