[libadwaita/wip/exalm/scanbuild: 426/426] ci: Add a scan-build job

[Alexander Mikhaylenko <alexm src gnome org>]

commit 6acd5247301f336bb33cf1f7a5abaf3738d32ef3
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Feb 16 15:58:22 2021 +0500

    ci: Add a scan-build job
    
    Copied from epiphany.

 .gitlab-ci.yml | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3871ea10..93f98e7a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -47,6 +47,22 @@ build-flatpak:
     APP_ID: 'org.gnome.Adwaita1.Demo'
     BUNDLE: 'org.gnome.Adwaita1.Demo.flatpak'
 
+scan-build:
+  extends: '.flatpak'
+  stage: build
+  variables:
+    MESON_ARGS: >-
+      --werror
+  script:
+    - flatpak-builder --user --disable-rofiles-fuse --stop-at=${FLATPAK_MODULE} ${FLATPAK_BUILD_DIR} 
${MANIFEST_PATH}
+    - flatpak build ${FLATPAK_BUILD_DIR} meson --prefix=/app ${SHARED_MESON_ARGS} ${MESON_ARGS} _build
+    - flatpak build ${FLATPAK_BUILD_DIR} ninja -C _build scan-build
+    - bash -c 'if [[ -n "$(ls -A _build/meson-logs/scanbuild/)" ]]; then echo "Scan build log found, 
assuming defects exist"; exit 1; fi'
+  artifacts:
+    when: on_failure
+    paths:
+      - _build/meson-logs/scanbuild
+
 abi-check:
   image: $ABI_CHECKER_IMAGE
   stage: build