gitlabci: add flatpak build and reformat tabs.

.gitlab-ci.yml

@@ -2,13 +2,14 @@ stages:
   - test
   - lint
 
-variables:
-#   RUSTFLAGS: "-C link-dead-code"
-  RUST_BACKTRACE: "FULL"
 
 .cargo_test_template: &cargo_test
     stage: test
 
+    # variables:
+    #     RUSTFLAGS: "-C link-dead-code"
+    #     RUST_BACKTRACE: "FULL"
+
     before_script:
         - apt-get update -yqq
         - apt-get install -yqq --no-install-recommends build-essential libgtk-3-dev meson
@@ -27,10 +28,21 @@ stable:test:
     <<: *cargo_test
 
 # nightly:test:
-#   # https://hub.docker.com/r/rustlang/rust/
+    # https://hub.docker.com/r/rustlang/rust/
 #     image: "rustlang/rust:nightly"
 #     <<: *cargo_test
 
+flatpak:
+    image: flatpak/flatpak-builder:gnome-3-28
+    stage: test
+    script:
+        - flatpak-builder --force-clean --repo=repo app org.gnome.Hammond.json
+        - flatpak build-bundle repo hammond-dev.flatpak org.gnome.hammond
+    artifacts:
+        paths:
+            - hammond-dev.flatpak
+        expire_in: 2 days
+
 # Configure and run rustfmt on nightly
 # Exits and builds fails if on bad format
 rustfmt: