ci: Configure tarball releases

.gitlab-ci.yml

@@ -1,7 +1,19 @@
+include:
+  - component: "gitlab.gnome.org/GNOME/citemplates/release-service@master"
+    inputs:
+      job-stage: "release"
+      dist-job-name: "build-release-tarball"
+      tarball-artifact-path: "${TARBALL_ARTIFACT_PATH}"
+
 stages:
 - build
+- release
 - pages
 
+variables:
+  MESON_BUILD_DIR: "_build"
+  TARBALL_ARTIFACT_PATH: "${MESON_BUILD_DIR}/meson-dist/${CI_PROJECT_NAME}-${CI_COMMIT_TAG}.tar.xz"
+
 build:
   image: registry.gitlab.gnome.org/gnome/blueprint-compiler
   stage: build
@@ -45,6 +57,20 @@ fuzz:
       - corpus
       - crashes
 
+build-release-tarball:
+  stage: build
+  image: registry.gitlab.gnome.org/gnome/blueprint-compiler
+  only:
+    - tags
+  script:
+    - meson setup "${MESON_BUILD_DIR}"
+    - xvfb-run meson dist -C "${MESON_BUILD_DIR}" --include-subprojects
+  artifacts:
+    name: "${CI_JOB_NAME}-${CI_COMMIT_REF_NAME}"
+    when: "always"
+    paths:
+      - "${TARBALL_ARTIFACT_PATH}"
+
 pages:
   stage: pages
   dependencies: