lefthook.yml in gitlab-styles-9.2.0 vs lefthook.yml in gitlab-styles-10.0.0

@@ -8,9 +8,17 @@
     rubocop:
       files: git diff --name-only --diff-filter=d $(git merge-base origin/master HEAD)..HEAD
       glob: '*.{rb,rake}'
       run: bundle exec rubocop --parallel --force-exclusion {files}
 
-    # Run all tests (warn if there are any missing tools required for tests).
+    # Run only relevant specs.
     rspec:
-      run: bundle exec rspec -f progress
-      glob: '*.rb'
+      files: git diff --name-only --diff-filter=d $(git merge-base origin/master HEAD)..HEAD
+      run: |
+        tests=$(tff --mapping-file .tests_mapping.yml {files})
+        if [ "$tests" != "" ]; then
+          echo "bundle exec rspec --format progress $tests"
+          bundle exec rspec --format progress $tests
+        else
+          echo "No specs to run."
+          exit 0
+        fi