quota-clone: Add quota_clone_unset

Unsets quota information first. Needed for dict backends that do not
support upserting.

diff --git a/src/plugins/quota-clone/quota-clone-plugin.c b/src/plugins/quota-clone/quota-clone-plugin.c
index 3e2c94847e5fe0bb0c042e919141c474efce94ae..87e782ffcd86193e23bf9282b82fe5cb6705904d 100644 (file)
--- a/src/plugins/quota-clone/quota-clone-plugin.c
+++ b/src/plugins/quota-clone/quota-clone-plugin.c
@@ -34,6 +34,7 @@ struct quota_clone_user {
        struct timeout *to_quota_flush;
        bool quota_changed;
        bool quota_flushing;
+       bool unset;
 };
 
 static void
@@ -123,11 +124,15 @@ static bool quota_clone_flush_real(struct mail_user *user)
        trans = dict_transaction_begin(quser->dict, set);
        if (bytes_res == QUOTA_GET_RESULT_LIMITED ||
            bytes_res == QUOTA_GET_RESULT_UNLIMITED) {
+               if (quser->unset)
+                       dict_unset(trans, DICT_QUOTA_CLONE_BYTES_PATH);
                dict_set(trans, DICT_QUOTA_CLONE_BYTES_PATH,
                         t_strdup_printf("%"PRIu64, bytes_value));
        }
        if (count_res == QUOTA_GET_RESULT_LIMITED ||
            count_res == QUOTA_GET_RESULT_UNLIMITED) {
+               if (quser->unset)
+                       dict_unset(trans, DICT_QUOTA_CLONE_COUNT_PATH);
                dict_set(trans, DICT_QUOTA_CLONE_COUNT_PATH,
                         t_strdup_printf("%"PRIu64, count_value));
        }
@@ -290,6 +295,7 @@ static void quota_clone_mail_user_created(struct mail_user *user)
        v->deinit_pre = quota_clone_mail_user_deinit_pre;
        v->deinit = quota_clone_mail_user_deinit;
        quser->dict = dict;
+       quser->unset = mail_user_plugin_getenv_bool(user, "quota_clone_unset");
        MODULE_CONTEXT_SET(user, quota_clone_user_module, quser);
 }