(ci) display lint results

.gitlab-ci.yml

@@ -14,10 +14,13 @@ lint:
     stage: test
     script:
         - set -o pipefail
-        # fail the build if any error is found
-        - yarn lint --color | tee lint.log | (sed -u 50q; tail -n50)
+        - yarn add -D eslint-formatter-gitlab
+        - yarn lint --format gitlab --color | tee lint.log | tail -n 50
         # fail the build if any fixable warning is found (mostly formatting)
         - '! grep "potentially fixable" lint.log'
+    artifacts:
+        reports:
+            codequality: gl-codequality.json
 
 unit-tests:
     stage: test