Function metaCheck

src/background.js:3507–3535

(r)

        };

        var metaCheck = function(r) {
            running++;

            var getmeta = function(o) {
                var meta_found = !!o.meta;
                var hash_different = meta_found && !!o.meta[cUSOHASH] && o.meta[cUSOHASH] != r.script.hash;
                var version_found = meta_found && !!o.meta.version;
                var version_newer = version_found && (!r.script.version || versionCmp(o.meta.version, r.script.version) == eNEWER);

                // check script source in case:
                if (!meta_found || // no meta data was found
                    hash_different || // hash has changed
                    !version_found || // meta data does not contain version info
                    version_newer) { // we noticed a newer version

                    if (V || UV) console.log("bg: hash of script " + r.script.name + " has changed or does not exist! running version check!");
                    r.meta = o.meta;
                    r.metasrc = o.metasrc;
                    r.hash_different = hash_different;
                    realCheck(r);
                } else {
                    if (V || UV) console.log("bg: hash of script " + r.script.name + " has NOT changed (" + o.meta[cUSOHASH] + ").");
                }
                running--;
                checkNoUpdateNotification();
            };

            getMetaData(r.script, getmeta);
        };

        var one = false;