Single Instance Lock: Launching second instance returns exit code 1 on Linux

[rjakobs]

Description

Linux only
If you launch the seconde instance from commandline you will get 1 as exit code.

To Reproduce

1. Launch application as usual
2. Launch second instance from commandline
3. You will get Exit Code 1

Expected behaviour

Getting an exit code of 0

Screenshots

No response

Attempted Fixes

No response

System Details

# Wails
Version         | v2.9.1
Package Manager | apt   

# System
┌───────────────────────────────────────────────────────────────────────────────────────┐
| OS           | Ubuntu                                                                 |
| Version      | 22.04                                                                  |
| ID           | ubuntu                                                                 |
| Go Version   | go1.22.2                                                               |
| Platform     | linux                                                                  |
| Architecture | amd64                                                                  |
| CPU          | AMD Ryzen 5 5600H with Radeon Graphics                                 |
| GPU 1        | Cezanne (Advanced Micro Devices, Inc. [AMD/ATI]) - Driver: amdgpu      |
| GPU 2        | GA107M [GeForce RTX 3050 Mobile] (NVIDIA Corporation) - Driver: nvidia |
| Memory       | 31GB                                                                   |
└───────────────────────────────────────────────────────────────────────────────────────┘

# Dependencies
┌──────────────────────────────────────────────────────────────────────────┐
| Dependency | Package Name          | Status    | Version                 |
| *docker    | docker.io             | Installed | 27.2.0                  |
| gcc        | build-essential       | Installed | 11.4.0                  |
| libgtk-3   | libgtk-3-dev          | Installed | 3.24.33-1ubuntu2.2      |
| libwebkit  | libwebkit2gtk-4.0-dev | Installed | 2.44.2-0ubuntu0.22.04.1 |
| npm        | npm                   | Installed | 10.8.2                  |
| *nsis      | nsis                  | Installed | v3.08-2                 |
| pkg-config | pkg-config            | Installed | 0.29.2-1ubuntu3         |
└──────────────────────── * - Optional Dependency ─────────────────────────┘

# Diagnosis
 SUCCESS  Your system is ready for Wails development!

Additional context

Reason seams to be in

wails/v2/internal/frontend/desktop/linux/single_instance.go

Line 75 in 3721d73

os.Exit(1)

unlike in darwin/windows single_instance.go where it leads to os.Exit(0).

I don't know if it's by intention or really a bug.