Flatpak hello example

=======================

1. Install Flatpak

$ sudo dnf install flatpak

2. Install a runtime

$ wget https://sdk.gnome.org/keys/gnome-sdk.gpg
$ flatpak remote-add --gpg-import=gnome-sdk.gpg gnome https://sdk.gnome.org/repo/
$ flatpak install gnome org.gnome.Platform 3.20

3. Create your app

$ mkdir hello
$ mkdir hello/files
$ mkdir hello/files/bin
$ mkdir hello/export

hello/files/bin/hello.sh:

#!/bin/sh
echo "Hello world, from a sandbox"

hello/metadata

[Application]
name=org.test.Hello
runtime=org.gnome.Platform/x86_64/3.20
command=hello.sh

4. Put the app in a repository

$ flatpak build-export repo hello

5. Install

$ flatpak --user remote-add --no-gpg-verify tutorial-repo repo
$ flatpak --user install tutorial-repo org.test.Hello

6. Run

$ flatpak run org.test.Hello

Hello world, from a sandbox