Merge branch 'main' of https://github.com/Qiskit/qiskit into FH/run-c…

…ode-examples

.azure/lint_docs_qpy-linux.yml → .azure/lint_docs-linux.yml

@@ -4,8 +4,8 @@ parameters:
     displayName: "Version of Python to use"
 
 jobs:
-  - job: 'Lint_Docs_QPY'
-    displayName: 'Lint, documentation and QPY'
+  - job: 'Lint_Docs'
+    displayName: 'Lint and documentation'
     pool: {vmImage: 'ubuntu-latest'}
 
     variables:
@@ -43,24 +43,3 @@ jobs:
           artifactName: 'html_docs'
           Parallel: true
           ParallelCount: 8
-
-      - task: Cache@2
-        inputs:
-          key: 'qpy | test/qpy_compat/test_qpy.py | "$(Build.BuildNumber)"'
-          restoreKeys: |
-            qpy | test/qpy_compat/test_qpy.py
-          path: qpy_files
-        displayName: Cache old QPY files
-
-      - bash: |
-          set -e
-          # Reuse the docs environment to avoid needing to rebuild another
-          # version of Qiskit.
-          source .tox/docs/bin/activate
-          mv qpy_files/* test/qpy_compat || :
-          pushd test/qpy_compat
-          ./run_tests.sh
-          popd
-          mkdir -p qpy_files
-          mv test/qpy_compat/qpy_* qpy_files/.
-        displayName: 'Run QPY backwards compat tests'

.github/workflows/qpy.yml

@@ -0,0 +1,39 @@
+name: QPY
+
+on:
+  push:
+    branches:
+      - 'main'
+      - 'stable/*'
+  pull_request:
+  merge_group:
+concurrency:
+  group: ${{ github.repository }}-${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+jobs:
+  backward_compat:
+    if: github.repository_owner == 'Qiskit'
+    name: Backwards compatibility
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
+
+      - uses: dtolnay/rust-toolchain@stable
+
+      - uses: actions/cache@v4
+        with:
+          path: test/qpy_compat/qpy_cache
+          # The hashing is this key can be too eager to invalidate the cache,
+          # but since we risk the QPY tests failing to update if they're not in
+          # sync, it's better safe than sorry.
+          key: qpy-${{ hashFiles('test/qpy_compat/**') }}
+
+      - name: Run QPY backwards compatibility tests
+        working-directory: test/qpy_compat
+        run: ./run_tests.sh

.mergify.yml

@@ -6,4 +6,4 @@ pull_request_rules:
     actions:
       backport:
         branches:
-          - stable/1.2
+          - stable/1.3