[shotwell/wip/always-enable-facedetect: 1/2] CI: Enable Flatpak for stable branch

[Jens Georg <jensgeorg src gnome org>]

commit dadfec9290f868fefc7e76353bd2df5181a7fc5d
Author: Jens Georg <mail jensge org>
Date:   Sat May 7 09:07:45 2022 +0200

    CI: Enable Flatpak for stable branch

 .gitlab-ci.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 00000000..904ffa70
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,20 @@
+include: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
+
+variables:
+    BUNDLE: "org.gnome.Shotwell.Devel.flatpak"
+    GIT_SUBMODULE_STRATEGY: recursive
+
+flatpak:
+    extends: ['.flatpak']
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:41
+    variables:
+        MANIFEST_PATH: "flatpak/org.gnome.Shotwell.json"
+        RUNTIME_REPO: "https://flathub.org/repo/flathub.flatpakrepo";
+        # Replace with your application name, as written in the manifest
+        FLATPAK_MODULE: "shotwell"
+        APP_ID: "org.gnome.Shotwell"
+
+nightly:
+    extends: '.publish_nightly'
+    dependencies: ['flatpak']
+    needs: ['flatpak']