96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
/* eslint-disable camelcase */
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module.exports = {
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run
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}
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var semver = require('semver')
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var config = require('../../config')
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// Change `state.saved` (which will be saved back to config.json on exit) as
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// needed, for example to deal with config.json format changes across versions
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function run (state) {
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// Replace "{ version: 1 }" with app version (semver)
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if (!semver.valid(state.saved.version)) {
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state.saved.version = '0.0.0' // Pre-0.7.0 version, so run all migrations
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}
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var version = state.saved.version
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if (semver.lt(version, '0.7.0')) {
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migrate_0_7_0(state.saved)
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}
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if (semver.lt(version, '0.7.2')) {
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migrate_0_7_2(state.saved)
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}
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// Config is now on the new version
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state.saved.version = config.APP_VERSION
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}
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function migrate_0_7_0 (saved) {
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console.log('migrate to 0.7.0')
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var fs = require('fs-extra')
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var path = require('path')
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saved.torrents.forEach(function (ts) {
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var infoHash = ts.infoHash
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// Replace torrentPath with torrentFileName
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// There are a number of cases to handle here:
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// * Originally we used absolute paths
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// * Then, relative paths for the default torrents, eg '../static/sintel.torrent'
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// * Then, paths computed at runtime for default torrents, eg 'sintel.torrent'
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// * Finally, now we're getting rid of torrentPath altogether
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var src, dst
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if (ts.torrentPath) {
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console.log('replacing torrentPath %s', ts.torrentPath)
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if (path.isAbsolute(ts.torrentPath) || ts.torrentPath.startsWith('..')) {
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src = ts.torrentPath
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} else {
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src = path.join(config.STATIC_PATH, ts.torrentPath)
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}
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dst = path.join(config.TORRENT_PATH, infoHash + '.torrent')
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// Synchronous FS calls aren't ideal, but probably OK in a migration
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// that only runs once
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if (src !== dst) fs.copySync(src, dst)
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delete ts.torrentPath
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ts.torrentFileName = infoHash + '.torrent'
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}
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// Replace posterURL with posterFileName
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if (ts.posterURL) {
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console.log('replacing posterURL %s', ts.posterURL)
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var extension = path.extname(ts.posterURL)
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src = path.isAbsolute(ts.posterURL)
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? ts.posterURL
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: path.join(config.STATIC_PATH, ts.posterURL)
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dst = path.join(config.POSTER_PATH, infoHash + extension)
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// Synchronous FS calls aren't ideal, but probably OK in a migration
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// that only runs once
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if (src !== dst) fs.copySync(src, dst)
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delete ts.posterURL
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ts.posterFileName = infoHash + extension
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}
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// Fix exception caused by incorrect file ordering.
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// https://github.com/feross/webtorrent-desktop/pull/604#issuecomment-222805214
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delete ts.defaultPlayFileIndex
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delete ts.files
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delete ts.selections
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delete ts.fileModtimes
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})
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}
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function migrate_0_7_2 (saved) {
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if (!saved.prefs) {
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saved.prefs = {
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downloadPath: config.DEFAULT_DOWNLOAD_PATH
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}
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}
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}
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