ci: Add ci-fairy check

This makes sure we have Signed-off-by:

Signed-off-by: Guido Günther <agx@sigxcpu.org>

.gitlab-ci.yml

@@ -1,6 +1,6 @@
 ---
 include:
-  - remote: 'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/34039cd573a2df832d465bc9e4c5f543571f5241/templates/ci-fairy.yml'
+  - remote: 'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/6a40df92957c8ce9ee741aaccc5daaaf70545b1e/templates/ci-fairy.yml'
   - remote: 'https://gitlab.gnome.org/guidog/meta-phosh/-/raw/0ed15edd821f8afacbf7a9c0f2a6266873289115/ci/phosh-common-jobs.yml'
 
 stages:
@@ -9,6 +9,9 @@ stages:
   - style-checks
   - package
 
+variables:
+  FDO_UPSTREAM_REPO: agx/feedbackd
+
 workflow:
   rules:
     - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
@@ -104,3 +107,18 @@ check-meson:
   extends:
     - .phosh-check-meson
 
+# Sanity checks of MR settings and commit logs
+check-commit-log:
+  extends:
+    - .fdo.ci-fairy
+  stage: style-checks
+  variables:
+    GIT_DEPTH: "100"
+  needs: []
+  script: |
+    ci-fairy check-commits --signed-off-by --junit-xml=commit-message-junit-report.xml
+  artifacts:
+    reports:
+      junit: commit-message-junit-report.xml
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH'