template.json

{
  "app-id": "{{app_id}}",
  "runtime": "org.freedesktop.Platform",
  "runtime-version": "23.08",
  "sdk": "org.freedesktop.Sdk",
  "sdk-extensions": [
    "org.freedesktop.Sdk.Extension.rust-stable"
  ],
  "command": "{{project_name}}",
  "finish-args": [
    "--share=ipc",
    "--socket=fallback-x11",
    "--socket=wayland",
    "--device=dri",
    "--share=network",
    "--filesystem=/var/lib/flatpak:ro",
    "--filesystem=~/.var/app:rw",
    "--filesystem=~/.local/share/flatpak:ro",
    "--filesystem=~/.local/share/applications:rw",
    "--filesystem=~/.local/share/icons:create"
  ],
  "build-options": {
    "append-path": "/usr/lib/sdk/rust-stable/bin"
  },
  "modules": [
    {
      "name": "just",
      "buildsystem": "simple",
      "build-commands": [
        "install -Dm0755 just /app/bin/just"
      ],
      "sources": [
        {
          "type": "archive",
          "strip-components": 0,
          "dest-filename": "just.tar.gz",
          "url": "https://github.com/casey/just/releases/download/1.35.0/just-1.35.0-x86_64-unknown-linux-musl.tar.gz",
          "sha256": "c4172306e241bd175c07316156a610593fa2b687ac49418520a375605d7cead4",
          "only_arches": [
            "x86_64"
          ]
        },
        {
          "type": "archive",
          "strip-components": 0,
          "dest-filename": "just.tar.gz",
          "url": "https://github.com/casey/just/releases/download/1.35.0/just-1.35.0-aarch64-unknown-linux-musl.tar.gz",
          "sha256": "a94c75426239fce8c1e7fdfccd20d60d987924f91ac45c843a14cd72d4d71e73",
          "only_arches": [
            "aarch64"
          ]
        }
      ]
    },
    {
      "name": "cosmic-icons",
      "buildsystem": "simple",
      "build-commands": [
        "sed -i \"s|prefix := '/usr'|prefix := '/app'|\" justfile",
        "just install"
      ],
      "sources": [
        {
          "type": "archive",
          "dest-filename": "cosmic-icons-epoch-1.0.0-alpha.1.tar.gz",
          "url": "https://github.com/pop-os/cosmic-icons/archive/refs/tags/epoch-1.0.0-alpha.1.tar.gz",
          "sha256": "20d1a184c0421501e7ed8761f6e6178c3e16c787373357dae1d4dc22b9109428"
        }
      ]
    },
    {
      "name": "{{project_name}}",
      "buildsystem": "simple",
      "build-options": {
        "env": {
          "CARGO_HOME": "/run/build/{{project_name}}/cargo"
        }
      },
      "build-commands": [
        "just flatpak-builder"
      ],
      "sources": [
        {
          "type": "dir",
          "path": "."
        },
        "cargo-sources.json"
      ]
    }
  ]
}