40 lines
820 B
JavaScript
40 lines
820 B
JavaScript
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'use strict';
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const fs = require('fs');
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const version = 1;
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var upgradeV0toV1 = function(config_v0) {
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return {
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url: [config_v0.url],
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version: 1
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};
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};
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var upgrade = function(config) {
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var config_version = config.version ? config.version : 0;
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switch (config_version) {
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case 0:
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return upgrade(upgradeV0toV1(config));
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default:
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return config;
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}
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};
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module.exports = {
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version: version,
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upgrade: upgrade,
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readFileSync: function(configFile) {
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return JSON.parse(fs.readFileSync(configFile, 'utf8'));
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},
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writeFileSync: function(configFile, config) {
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if (config.version != version) {
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throw 'version ' + config.version + ' is not equal to ' + version;
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}
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var data = JSON.stringify(config, null, ' ');
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fs.writeFileSync(configFile, data, 'utf8');
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}
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};
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