automated build. Setup .github release creation

.github/workflows/compile.yml

@@ -0,0 +1,37 @@
+name: Artefact builder
+on:
+  push:
+    branches:
+      - internal
+    tags:
+      - v*.*.*
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build
+        run: |
+          docker buildx build --platform linux/amd64,linux/arm64 --output=type=local,dest=dist .
+          mv dist/linux_amd64/app/build/cage dist/cage-amd64
+          mv dist/linux_arm64/app/build/cage dist/cage-arm64
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: cage-binaries
+          path: dist/cage-*
+          retention-days: 1
+      - name: create release
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: "dist/cage-*"
+          token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1,2 +1,6 @@
 /subprojects/**
-!/subprojects/*.wrap
+!/subprojects/*.wrap
+!/subprojects/packagecache
+!/subprojects/packagecache/.placeholder
+!/subprojects/packagefiles
+!/subprojects/packagefiles/*.patch

Dockerfile

@@ -1,9 +1,11 @@
 FROM debian:12-slim
 #debian 12 is required to have a recent-enough built-in meson.
+ENV DEBIAN_FRONTEND=noninteractive
 
 # Install build tools
 RUN  apt-get -qqy update \
   && apt-get -qqy --no-install-recommends install \
+    git \
     ca-certificates \
     build-essential \
     cmake \
@@ -26,13 +28,9 @@ RUN  apt-get -qqy update \
   quilt \
   libexpat1-dev \
   libffi-dev \
-  libxml2-dev \
-  liblzma-dev \
 && rm -rf /var/lib/apt/lists/*
 
 # wlroots build-deps (https://packages.debian.org/source/bookworm/wlroots)
-# - libwayland-dev is required for wayland-scanner, which is set as "native" but could probablyt be force to use the local file.
-#     (https://gitlab.freedesktop.org/wlroots/wlroots/-/blob/master/protocol/meson.build#L8)
 RUN  apt-get -qqy update \
 && apt-get -qqy --no-install-recommends install \
   libavformat-dev \
@@ -63,19 +61,34 @@ RUN  apt-get -qqy update \
   libx11-xcb-dev \
   libxkbcommon-dev \
   hwdata \
-  libwayland-dev \
   xwayland \
   libxcb-ewmh-dev \
 && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
-COPY . /app
 
-RUN rm -rf /app/build
+RUN mkdir -p /app/subprojects
 
-RUN meson setup build --prefer-static --default-library=static --buildtype=release -Dwerror=false -Doptimization=2 \
-  -Dxwayland=enabled \
+COPY  meson_options.txt meson.build /app/
+COPY *.in *.scd .clang-format .clang-format-ignore /app/
+
+COPY subprojects/*.wrap  /app/subprojects/
+COPY subprojects/packagefiles /app/subprojects/packagefiles
+COPY subprojects/packagecache /app/subprojects/packagecache
+
+COPY ./protocol /app/protocol
+COPY *.[ch] /app/
+
+
+# Fix for the use of local wayland-scanner in subsequent builds
+ENV PATH="${PATH}:/app/build/subprojects/wayland-1.22.0/src"
+
+RUN meson setup build --prefer-static --default-library=static --buildtype=release -Dwerror=false \
+  -Dxwayland=enabled -Dinput_calibration=enabled -Dman-pages=disabled \
   -Dwlroots:auto_features=enabled -Dwlroots:backends=auto -Dwlroots:renderers=auto \
-  -Dwayland:documentation=false -Dwayland:tests=false
+  -Dwayland:documentation=false -Dwayland:dtd_validation=false
+
+RUN ninja -C build
 
-RUN ninja -C build
+# Makes the image unusable, but useful to use with `docker buildx build --output=type=local`as we are.
+RUN rm -rf /usr /var

subprojects/packagefiles/0001-use-local-wayland-scanner.patch

@@ -0,0 +1,25 @@
+Use local wayland-scanner instead of looking for the native one in the host system.
+Since we don't plan to do cross-compilation and wayland-scanner is built from wayland subproject, we override this. 
+---
+ protocol/meson.build | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/protocol/meson.build b/protocol/meson.build
+index c60f2b9a..76cfbf24 100644
+--- a/protocol/meson.build
++++ b/protocol/meson.build
+@@ -5,10 +5,8 @@ wayland_protos = dependency('wayland-protocols',
+ )
+ wl_protocol_dir = wayland_protos.get_variable('pkgdatadir')
+
+-wayland_scanner_dep = dependency('wayland-scanner', native: true)
+ wayland_scanner = find_program(
+-	wayland_scanner_dep.get_variable('wayland_scanner'),
+-	native: true,
++	'wayland-scanner'
+ )
+
+ protocols = {
+-- 
+2.39.2
+

subprojects/wlroots.wrap

@@ -4,5 +4,7 @@ source_url =https://gitlab.freedesktop.org/wlroots/wlroots/-/releases/0.17.2/dow
 source_filename = wlroots-0.17.2.tar.xz
 source_hash = f4007d3f71e190b9000ab4a30afd87833b034ab2602030a00af4465ffd4e997c
 
+diff_files = 0001-use-local-wayland-scanner.patch
+
 [provide]
 wlroots = wlroots