https://sentry.io/modsink/modsink/issues/321929231/

InvalidOperationException: Sequence contains no elements
  Module "Squirrel.UpdateManager", line 575, in GitHubUpdateManager
    Void MoveNext()
  Module "ModSink.WPF.App+<<CheckUpdates>b__4_0>d", line 131, in MoveNext
    Void MoveNext()
...
(7 additional frame(s) were not displayed)

Sequence contains no elements

Quit app to tray by default, show notification on repo update with snooze option

Message from group admin, can be set in group.xml

Let user import existing already downloaded mods.

Create changelog of mods for each repo

should be initializes using http://blogs.tedneward.com/patterns/Builder-CSharp/

1. Program launch
2. download group file & apply
3. download repo indexes
4. let user choose server
5. if any files for server modpack are missing, show download button that downloads them
6. if all files for server are downloaded, allow starting server, game-specific

• Battleye (changes completely, exe and parameters)
• 64bit (changes completely, exe and parameters)
• optional and mandatory server parameters

Available files:

• group.xml
  • lists repos
• repo
  • index.xml
    • mods
      • metadata
      • required: bool, default: bool
      • list of (file hash; file path)
    • modpacks
      • list of mods
    • server
      • GameLauncher config
      • one modpack
  • all files mentioned in index.xml

GameLauncher

• Find game exe
• Start it with parameters
• Is provided with configuration

Arma3Launcher #4

• Find game exe
• Launch with arma parameters taken from active mods and configurations

https://developer.valvesoftware.com/wiki/Steam_browser_protocol

• downloads/
  • all downloaded files, named by their hash
    If a GameLauncher says files should be somewhere, they are symlinked from downloads

Could be enhanced by providing delta patching patches, that say use this patch to upgrade file hash a to file hash b

Tried BenchmarkDotNet on https://github.com/brandondahler/Data.HashFunction/tree/DotNetCore/src/System.Data.HashFunction.xxHash

BenchmarkDotNet=v0.10.8, OS=Windows 10.0.16232
Processor=Intel Core i7-4710HQ CPU 2.50GHz (Haswell), ProcessorCount=8
Frequency=2435765 Hz, Resolution=410.5486 ns, Timer=TSC
dotnet cli version=2.0.0-preview2-006497
  [Host]     : .NET Core 4.6.25211.01, 64bit RyuJITDEBUG [AttachedDebugger]
  DefaultJob : .NET Core 4.6.25211.01, 64bit RyuJIT

ModInfoExtractor implementations get access to mod folder, will return name, description, version, icon, ...

https://github.com/oriches/Simple.Wpf.Themes