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Development Build Locally Notes

This is WIP to help build RetroDECK locally. It wsa notes taken while adding the Flash Emulator Ruffle to the project.

Overview

RetroDECK is a big project in terms of scope and build size! It creates a 1.4GB flatpak file and the build folder is about 23GB. It takes about 3 hours to build on an 8 core PC.

It would also be worth running RetroDECK in debug mode to get familiar with how /apps folder and other read only areas of the flatpak.

Download RetroDeck

Clone the repository. The --recursive option is used to ensure the RetroDECK sub modules are download(ie Emulators from other projects). The only element that is not downloaded for changing/editing is the RetroDECK fork of ES-DE. That should only be needed if you wish to add a new emulator via ES-DE.

git clone --recursive https://github.com/XargonWan/RetroDECK

If you missed doing a recursive download then can also use the command below. The command is also initiated as part of the build process.

git submodule update --init --recursive

Then use git checkout to select the latest cooker branch.

Build locally via bash script

cd RetroDECK
developer_toolbox/build_retrodeck_locally.sh

Have a look at what the script does first and look at the corresponding automation_tools/ folder that the script above references for the build

The build will take about 3 hours on a relatively pc/laptop.

The build process creates a flatpak_builder file.

Build locally installed github runner.

Creates an artifact on Guthub and a local file in actions-runners

FAQ

Crash during local sh build?

  • Stay Calm!
  • Restart the PC/laptop.
  • re run command below it should hopefully continue from the last good build action.
developer_toolbox/build_retrodeck_locally.sh

Crash during local github runner build?

  • Stay Calm!
  • Restart the PC/laptop.
  • make sure runner started and then re run the failed Github action