CI: Add a static-scan job

This will run static analysis and publish the report on

  https://gnome.pages.gitlab.gnome.org/gnome-calendar/scanbuild

.gitlab-ci.yml

@@ -73,9 +73,24 @@ coverage:
       - "_build/meson-logs"
       - public
 
+static-scan:
+  stage: analysis
+  image: quay.io/gnome_infrastructure/gnome-build-meta:core-nightly
+  needs:
+    - job: build-flatpak
+      artifacts: false
+  script:
+    - .gitlab-ci/build-static-scan.sh
+  artifacts:
+    name: "gnome-calendar-${CI_JOB_NAME}-${CI_COMMIT_REF_NAME}"
+    when: always
+    paths:
+      - "_build/meson-logs"
+      - public
+
 pages:
   stage: deploy
-  needs: [ coverage ]
+  needs: [ coverage, static-scan ]
   script:
     # No-op, just to gitlab thinks there's something to do.
     # The jobs that this job depends on have already populated public/

.gitlab-ci/build-static-scan.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -eux -o pipefail
+
+meson setup --buildtype=debug  --prefix /usr _scan_build .
+ninja -C _scan_build scan-build
+mkdir -p public/
+mv _scan_build/meson-logs/scanbuild public/scanbuild