Fix #904: test that repo owner is Quantumlib (#968)

This adds checks to the GitHub Actions workflows for the owner being
Quantumlib, so that users who fork the repo will not be surprised by the
workflows running in their forks.

Author: mhucka

.github/workflows/ci.yaml

@@ -92,6 +92,7 @@ jobs:
 
   docker-lint:
     name: Dockerfile lint checks
+    if: github.repository_owner == 'quantumlib'
     # ubuntu-slim runners don't have docker installed.
     runs-on: ubuntu-24.04
     timeout-minutes: 15
@@ -114,6 +115,7 @@ jobs:
 
   shell-lint:
     name: Shell script lint checks
+    if: github.repository_owner == 'quantumlib'
     runs-on: ubuntu-slim
     timeout-minutes: 15
     steps:
@@ -136,6 +138,7 @@ jobs:
 
   yaml-lint:
     name: YAML lint checks
+    if: github.repository_owner == 'quantumlib'
     runs-on: ubuntu-slim
     timeout-minutes: 15
     steps:
@@ -160,6 +163,7 @@ jobs:
 
   bazel-lint:
     name: Bazel build lint checks
+    if: github.repository_owner == 'quantumlib'
     runs-on: ubuntu-slim
     timeout-minutes: 15
     steps:
@@ -183,6 +187,7 @@ jobs:
 
   action-lint:
     name: GitHub Actions lint checks
+    if: github.repository_owner == 'quantumlib'
     runs-on: ubuntu-slim
     timeout-minutes: 15
     steps:
@@ -201,6 +206,7 @@ jobs:
 
   library-tests:
     name: Library tests
+    if: github.repository_owner == 'quantumlib'
     needs:
       - action-lint
       - bazel-lint
@@ -297,6 +303,7 @@ jobs:
 
   options-tests:
     name: Options tests
+    if: github.repository_owner == 'quantumlib'
     needs:
       - action-lint
       - bazel-lint
@@ -352,6 +359,7 @@ jobs:
 
   memory-tests:
     name: Malloc/asan/msan tests
+    if: github.repository_owner == 'quantumlib'
     needs:
       - action-lint
       - bazel-lint
@@ -407,6 +415,7 @@ jobs:
 
   docker-tests:
     name: Docker build tests
+    if: github.repository_owner == 'quantumlib'
     needs:
       - action-lint
       - docker-lint
@@ -448,7 +457,7 @@ jobs:
 
   report-results:
     name: CI
-    if: always()
+    if: always() && github.repository_owner == 'quantumlib'
     needs:
       - action-lint
       - bazel-lint

.github/workflows/cirq_compatibility.yml

@@ -35,6 +35,7 @@ concurrency:
 
 jobs:
   test-compatibility:
+    if: github.repository_owner == 'quantumlib'
     name: Test Cirq compatibility
     runs-on: ubuntu-24.04
     timeout-minutes: 30