PrismLauncher/packages/flatpak/BUILDING.md

Building the flatpak

1. Install tools

Install flatpak and flatpak-builder from your distribution repositories.

2. Install SDK

flatpak install org.kde.Sdk org.kde.Platform
Pick version 5.15

3. Get the yml flatpak file

You can download it directly from github, or clone the repo.

4. Build it

flatpak-builder --ccache --force-clean flatbuild packages/flatpak/org.polymc.PolyMC.yml

If you didn't clone the repo, the path might be different.

5. Install the custom build

flatpak-builder --user --install --ccache --force-clean flatbuild packages/org.polymc.PolyMC.yml