[libpanel/alatiera/nightly] ci: Add Flatpak tests and Nightly builds

[Jordan Petridis <jpetridis src gnome org>]

commit 023b9dab53aa44e81181baff5260aa5123cc3a01
Author: Jordan Petridis <jordan centricular com>
Date:   Wed Sep 28 00:39:17 2022 +0300

    ci: Add Flatpak tests and Nightly builds

 .gitlab-ci.yml | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 804c45d..1ace8b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,10 +1,39 @@
+include: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
+
 stages:
 - build
+- test
+- deploy
 - pages
 
+.vars-devel:
+  variables:
+    MANIFEST_PATH: "org.gnome.libpanel.example.json"
+    FLATPAK_MODULE: "libpanel"
+    APP_ID: "org.gnome.libpanel.example.json"
+    RUNTIME_REPO: "https://nightly.gnome.org/gnome-nightly.flatpakrepo";
+    BUNDLE: "libpanel-dev.flatpak"
+
+flatpak@x86_64:
+  needs: []
+  extends: ['.flatpak@x86_64', '.vars-devel']
+
+flatpak@aarch64:
+  needs: []
+  extends: ['.flatpak@aarch64', '.vars-devel']
+
+nightly@x86_64:
+  extends: '.publish_nightly'
+  needs: ['flatpak@x86_64']
+
+nightly@aarch64:
+  extends: '.publish_nightly'
+  needs: ['flatpak@aarch64']
+
 fedora:
   stage: build
   image: fedora:latest
+  needs: []
   script:
     - sudo dnf install -y meson gi-docgen gettext gcc git gtk4-devel libadwaita-devel
     - meson build -Ddocs=enabled
@@ -16,7 +45,7 @@ fedora:
 
 pages:
   stage: pages
-  dependencies:
+  needs:
   - fedora
   script:
   - mv docs/panel-1.0 public