Files
webtorrent-desktop/renderer/lib/migrations.js
Feross Aboukhadijeh 8a95895254 Ensure state.saved.prefs exists
Fixes a bug I introduced in the migrations
2016-06-02 22:33:22 -07:00

96 lines
2.8 KiB
JavaScript

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