Add gitlab-ci support using a prebuilt docker image

.gitlab-ci.yml

@@ -0,0 +1,18 @@
+image: lazka/gitlab-gtk:v1
+
+stages:
+  - build
+
+before_script:
+  - mkdir -p _ccache
+  - export CCACHE_BASEDIR=${PWD}
+  - export CCACHE_DIR=${PWD}/_ccache
+
+cache:
+  paths:
+    - _ccache/
+
+build:
+  stage: build
+  script:
+   - bash -x ./.gitlab-ci/test-docker.sh

.gitlab-ci/Dockerfile

@@ -0,0 +1,52 @@
+FROM fedora:27
+
+RUN dnf -y install \
+    atk-devel \
+    at-spi2-atk-devel \
+    avahi-gobject-devel \
+    cairo-devel \
+    cairo-gobject-devel \
+    ccache \
+    colord-devel \
+    cups-devel \
+    fribidi-devel \
+    gcc \
+    gcc-c++ \
+    gdk-pixbuf2-devel \
+    gettext \
+    git \
+    glib2-devel \
+    gobject-introspection-devel \
+    graphene-devel \
+    itstool \
+    json-glib-devel \
+    libepoxy-devel \
+    libmount-devel \
+    libXcomposite-devel \
+    libXcursor-devel \
+    libXcursor-devel \
+    libXdamage-devel \
+    libXfixes-devel \
+    libXi-devel \
+    libXinerama-devel \
+    libxkbcommon-devel \
+    libXrandr-devel \
+    libXrender-devel \
+    mesa-libEGL-devel \
+    mesa-libwayland-egl-devel \
+    meson \
+    pango-devel \
+    redhat-rpm-config \
+    vulkan-devel \
+    wayland-devel \
+    wayland-protocols-devel \
+    xorg-x11-server-Xvfb
+
+ARG HOST_USER_ID=5555
+ENV HOST_USER_ID ${HOST_USER_ID}
+RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+
+USER user
+WORKDIR /home/user
+
+ENV LANG C.utf8

.gitlab-ci/run-docker.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+sudo docker build --build-arg HOST_USER_ID="$UID" --tag "gitlab-gtk" \
+    --file "Dockerfile" .
+sudo docker run --rm \
+    --volume "$(pwd)/..:/home/user/app" --workdir "/home/user/app" \
+    --tty --interactive "gitlab-gtk" bash

.gitlab-ci/test-docker.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+pwd
+meson -Denable-x11-backend=true -Denable-wayland-backend=true \
+    -Denable-broadway-backend=true -Denable-vulkan=yes _build_full
+cd _build_full
+ninja