[gdk-pixbuf: 4/5] ci: add a msys2 mingw64 job

[Bastien Nocera <hadess src gnome org>]

commit 772f4d677da725736ced892f6140bf9eb79980d7
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Wed Dec 5 21:31:10 2018 +0100

    ci: add a msys2 mingw64 job

 .gitlab-ci.yml           | 18 +++++++++++++++++-
 .gitlab/ci/test-msys2.sh | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5a29219c8..783793f67 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,9 +14,25 @@ meson-fedora-x86_64:
     - bash -x ./.gitlab/ci/test-docker.sh
   artifacts:
     when: on_failure
-    name: "gdk-pixbuf-${CI_COMMIT_REF_NAME}"
+    name: "gdk-pixbuf-${CI_JOB_NAME}-${CI_COMMIT_REF_NAME}"
     paths:
       - "${CI_PROJECT_DIR}/build_*/meson-logs"
   cache:
     key: "$CI_JOB_NAME"
     <<: *cache-paths
+
+msys2-mingw64:
+  stage: build
+  tags:
+    - win32
+  variables:
+    MSYSTEM: "MINGW64"
+    CHERE_INVOKING: "yes"
+  script:
+    - C:\msys64\usr\bin\pacman --noconfirm -Syyuu
+    - C:\msys64\usr\bin\bash -lc "bash -x ./.gitlab/ci/test-msys2.sh"
+  artifacts:
+    name: "gdk-pixbuf-%CI_JOB_NAME%-%CI_COMMIT_REF_NAME%"
+    when: always
+    paths:
+      - _build/meson-logs
diff --git a/.gitlab/ci/test-msys2.sh b/.gitlab/ci/test-msys2.sh
new file mode 100644
index 000000000..008b7c437
--- /dev/null
+++ b/.gitlab/ci/test-msys2.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+set -e
+
+if [[ "$MSYSTEM" == "MINGW32" ]]; then
+    export MSYS2_ARCH="i686"
+else
+    export MSYS2_ARCH="x86_64"
+fi
+
+pacman --noconfirm -Suy
+
+pacman --noconfirm -S --needed \
+    base-devel \
+    mingw-w64-$MSYS2_ARCH-gobject-introspection \
+    mingw-w64-$MSYS2_ARCH-glib2 \
+    mingw-w64-$MSYS2_ARCH-jasper \
+    mingw-w64-$MSYS2_ARCH-libjpeg-turbo \
+    mingw-w64-$MSYS2_ARCH-libpng \
+    mingw-w64-$MSYS2_ARCH-libtiff \
+    mingw-w64-$MSYS2_ARCH-meson \
+    mingw-w64-$MSYS2_ARCH-toolchain
+
+meson --buildtype debug \
+    -Dx11=false \
+    -Dpng=true \
+    -Djpeg=true \
+    -Dtiff=true \
+    -Djasper=true \
+    _build
+
+cd _build
+ninja
+
+meson test