Build Flatpak in CI

.github/workflows/flatpak.yml

@@ -0,0 +1,57 @@
+---
+name: flatpak
+
+on:
+  push:
+    branches: [ "master" ]
+    tags: [ "*" ]
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      use_cache:
+        description: "Use build cache"
+        required: true
+        type: boolean
+        default: true
+
+permissions:
+  id-token: write
+  contents: read
+  attestations: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: bilelmoussaoui/flatpak-github-actions:freedesktop-23.08
+      options: --privileged
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Determine output file name
+        run: |
+          add_commit=${{ !startsWith(github.ref, 'refs/tags/') }}
+          major=$(grep -oP 'VERSION_MAJOR\s+\K\d+' CMakeLists.txt)
+          minor=$(grep -oP 'VERSION_MINOR\s+\K\d+' CMakeLists.txt)
+          patch=$(grep -oP 'VERSION_PATCH\s+\K\d+' CMakeLists.txt)
+          file_name="Minetest-$major.$minor.$patch$([[ "$add_commit" != "false" ]] && echo "-$(echo ${{ github.sha }} | cut -c 1-7)").flatpak"
+          echo "File name: $file_name"
+          echo "FILE_NAME=$file_name" >> $GITHUB_ENV
+        shell: bash
+
+      - name: Build Flatpak
+        uses: flatpak/flatpak-github-actions/flatpak-builder@master
+        with:
+          arch: x86_64
+          bundle: ${{ env.FILE_NAME }}
+          manifest-path: net.minetest.minetest.yaml
+          cache-key: flatpak-builder-${{ github.sha }}
+          restore-cache: ${{ (github.event_name == 'workflow_dispatch' && inputs.use_cache) || !startsWith(github.ref, 'refs/tags/') }}
+          upload-artifact: true
+
+      - name: Generate artifact attestation
+        if: ${{ github.event_name != 'pull_request' }}
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-path: ${{ env.FILE_NAME }}

.gitignore

@@ -118,6 +118,7 @@ compile_commands.json
 *.vcxproj*
 *.sln
 .vs/
+.flatpak-builder
 
 # Old irrlichtmt. Still ignored to make bisecting easier.
 lib/irrlichtmt

net.minetest.minetest.yaml

@@ -0,0 +1,56 @@
+---
+$schema: "https://raw.githubusercontent.com/flatpak/flatpak-builder/main/data/flatpak-manifest.schema.json"
+app-id: net.minetest.minetest
+runtime: org.freedesktop.Platform
+runtime-version: "23.08"
+sdk: org.freedesktop.Sdk
+command: minetest
+rename-icon: minetest
+finish-args:
+  - "--socket=wayland"
+  - "--socket=fallback-x11"
+  - "--socket=pulseaudio"
+  - "--device=all"
+  - "--share=ipc"
+  - "--share=network"
+cleanup:
+  - "/include"
+  - "/lib/pkgconfig"
+  - "/share/aclocal"
+  - "/share/gtk-doc"
+  - "/share/man"
+  - "*.la"
+  - "*.a"
+
+modules:
+  - name: libluajit
+    no-autogen: true
+    make-args:
+      - PREFIX=/app
+    make-install-args:
+      - PREFIX=/app
+    cleanup:
+      - "/bin"
+    sources:
+      - type: git
+        url: https://github.com/LuaJIT/LuaJIT.git
+        commit: dad04f1754723e76ba9dcf9f401f3134a0cd3972
+
+  - name: minetest
+    buildsystem: cmake-ninja
+    config-opts:
+      - "-DENABLE_CURSES=0"
+      - "-DENABLE_GETTEXT=1"
+    cleanup:
+      - "/share/minetest/games/devtest"
+    post-install:
+      - mv $FLATPAK_DEST/bin/minetest $FLATPAK_DEST/bin/minetest.bin
+      - install -Dm755 minetest.sh $FLATPAK_DEST/bin/minetest
+    sources:
+      - type: dir
+        path: .
+
+      - type: script
+        dest-filename: minetest.sh
+        commands:
+          - 'MINETEST_USER_PATH=$HOME/.var/app/net.minetest.minetest/.minetest exec minetest.bin "$@"'