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GitHub auto-update on Windows returning error #1112

@JustinBeckwith

Description

@JustinBeckwith
  • Version: 10.12.0
  • Target: Windows

I'm having some trouble getting auto-updates for Windows to work. I've installed the electron-auto-updater npm module, and mostly got everything set up. My builds are producing app-latest.yml files. When I try running my installed app, I'm getting this error:

[2017-01-13 07:53:13:0250] [error] SyntaxError: Unexpected end of JSON input
SyntaxError: Unexpected end of JSON input
    at IncomingMessage.response.on.e (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\electronHttpExecutor.ts:132:55)
    at emitNone (events.js:86:13)
    at IncomingMessage.emit (events.js:185:7)
    at endReadableNT (_stream_readable.js:974:12)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)
From previous event:
    at ElectronHttpExecutor.doApiRequest (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\electronHttpExecutor.ts:89:5)
    at ElectronHttpExecutor.request (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-builder-http\src\httpExecutor.ts:52:17)
    at request (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-builder-http\src\httpExecutor.ts:147:38)
    at C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\GitHubProvider.ts:14:26
    at next (<anonymous>)
From previous event:
    at GitHubProvider.getLatestVersion (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\out\GitHubProvider.js:60:11)
    at C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\NsisUpdater.ts:110:38
From previous event:
    at NsisUpdater.doCheckForUpdates (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\out\NsisUpdater.js:196:11)
    at C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\NsisUpdater.ts:100:25
    at next (<anonymous>)
    at runCallback (timers.js:574:20)
    at tryOnImmediate (timers.js:554:5)
    at processImmediate [as _immediateCallback] (timers.js:533:5)
From previous event:
    at NsisUpdater._checkForUpdates (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\out\NsisUpdater.js:162:11)
    at NsisUpdater.checkForUpdates (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\node_modules\electron-auto-updater\src\NsisUpdater.ts:84:35)
    at WebContents.window.webContents.once (C:\Users\beckwith\AppData\Local\Programs\app-engine-trebuchet\resources\app.asar\appUpdater.js:68:17)
    at WebContents.g (events.js:286:16)
    at emitTwo (events.js:106:13)
    at WebContents.emit (events.js:191:7)

Based on the callstack, I did a little digging and found this code. I decided to try hitting the same endpoint with Postman, set my accept header to application/json, and I'm getting an HTTP 406 from Github:
https://github.com/JustinBeckwith/trebuchet/releases/latest

It's possible I'm way off, but I can't quite figure out how this is supposed to work.

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