Fixing timing test runner

.gitea/workflows/Matrix-Timing.yaml

@@ -1,4 +1,4 @@
-name: Benchmarking
+name: Merge-Checker
 
 on:
   pull_request:
@@ -39,7 +39,6 @@ jobs:
             echo "matrix-timing-tests executable not found or not executable"
             exit 1
           fi
-
       - name: Compare timing results
         id: check_diff
         run: |
@@ -48,11 +47,10 @@ jobs:
 
           echo "Comparing timing results for changes ≥ 0.1s (ignoring 'Timing Tests' lines)..."
 
-          changed=0
-
-          awk -v changed_ref=/tmp/timings_changed.flag '
+          awk '
             BEGIN {
               change_threshold = 0.1
+              changed = 0
             }
             FILENAME == "old.txt" && /^[0-9]+\.[0-9]+ s: / {
               label = substr($0, index($0, ":") + 2)
@@ -71,30 +69,19 @@ jobs:
 
               if (old_time != "" && delta >= change_threshold) {
                 printf "⚠️  %.3f s → %.3f s: %s (Δ=%.3f s)\n", old_time, new_time, label, delta
-                system("touch " changed_ref)
+                changed = 1
               } else if (old_time == "") {
                 printf "🆕 New timing entry: %.3f s: %s\n", new_time, label
-                system("touch " changed_ref)
+                changed = 1
               }
             }
             END {
-              if (!system("test -f " changed_ref)) {
-                exit 0
-              } else {
-                print "✅ Timings haven’t changed significantly (Δ < 0.1s)."
-                exit 0
-              }
+              exit changed == 1 ? 0 : 1
             }
           ' old.txt new.txt
 
-          if [ -f /tmp/timings_changed.flag ]; then
-            echo "timings_changed=true" >> $GITHUB_OUTPUT
-          else
-            echo "timings_changed=false" >> $GITHUB_OUTPUT
-          fi
-
       - name: Commit and push timing results
-        if: steps.check_diff.outputs.timings_changed == 'true' && github.event.pull_request.head.repo.full_name == github.repository
+        if: steps.check_diff.outcome == 'success' && github.event.pull_request.head.repo.full_name == github.repository
         run: |
           git config --global user.name "ci-bot"
           git config --global user.email "ci-bot@local"