Restrict C++ CI to the main repository only

Author: metopa

.github/workflows/test_cpp_cmake.yml

@@ -28,7 +28,7 @@ jobs:
     name: Fast Test
     runs-on: ubuntu-latest
     # Skip on PR if branch is of the same repo (checks are already enabled by push rule)
-    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    if: github.repository == 'adnanaziz/EPIJudge' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)
 
     strategy:
       matrix:
@@ -80,7 +80,7 @@ jobs:
     name: Windows Test
     needs: fast_test
     runs-on: windows-latest
-    if: github.event_name == 'push' && github.event.ref == 'refs/tags/full-ci' && github.event.deleted == false
+    if: github.repository == 'adnanaziz/EPIJudge' && (github.event_name == 'push' && github.event.ref == 'refs/tags/full-ci' && github.event.deleted == false)
 
     strategy:
       matrix:
@@ -125,7 +125,7 @@ jobs:
     name: macOS Test
     needs: windows_test
     runs-on: macOS-latest
-    if: github.event_name == 'push' && github.event.ref == 'refs/tags/full-ci' && github.event.deleted == false
+    if: github.repository == 'adnanaziz/EPIJudge' && (github.event_name == 'push' && github.event.ref == 'refs/tags/full-ci' && github.event.deleted == false)
 
     strategy:
       matrix:
@@ -168,7 +168,7 @@ jobs:
     name: Empty check
     runs-on: ubuntu-latest
     # Add a dummy job to avoid empty job list (otherwise GitHub shows the runs as failed)
-    if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name
+    if: github.repository != 'adnanaziz/EPIJudge' || github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name
     steps:
       - name: This check is triggered by the corresponding push event
         run: echo 'This check is triggered by the corresponding push event'