MNT: Consolidate BACKPORT_BRANCH into ci/versions.yml

.github/workflows/backport.yml

@@ -28,7 +28,7 @@ jobs:
  - name: Load branch name
  id: get-branch
  run: |
- OLD_BRANCH=$(cat .github/BACKPORT_BRANCH)
+ OLD_BRANCH=$(yq '.backport_branch' ci/versions.yml)
  echo "OLD_BRANCH=${OLD_BRANCH}" >> $GITHUB_ENV
 
  - name: Create backport pull requests

.github/workflows/build-wheel.yml

@@ -75,6 +75,23 @@ jobs:
  if: ${{ startsWith(inputs.host-platform, 'win') }}
  uses: ilammy/msvc-dev-cmd@v1 # TODO: ask admin to allow pinning commits
 
+ - name: Set up yq
+ # GitHub made an unprofessional decision to not provide it in their Windows VMs,
+ # see https://github.com/actions/runner-images/issues/7443.
+ if: ${{ startsWith(inputs.host-platform, 'win') }}
+ env:
+ # doesn't seem there's an easy way to avoid hard-coding it?
+ YQ_URL: https://github.com/mikefarah/yq/releases/latest/download/yq_windows_amd64.exe
+ YQ_DIR: yq_latest
+ shell: pwsh -command ". '{0}'"
+ run: |
+ mkdir -Force -ErrorAction SilentlyContinue "${env:YQ_DIR}" | Out-Null
+ Invoke-WebRequest -UseBasicParsing -OutFile "${env:YQ_DIR}/yq.exe" -Uri "$env:YQ_URL"
+ ls -l $env:YQ_DIR
+ echo "$((Get-Location).Path)\\$env:YQ_DIR" >> $env:GITHUB_PATH
+ $env:Path += ";$((Get-Location).Path)\\$env:YQ_DIR"
+ yq --version
+
  - name: Set environment variables
  env:
  CUDA_VER: ${{ inputs.cuda-version }}
@@ -275,8 +292,7 @@ jobs:
  id: setup-python2
  uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
  with:
- # workaround for actions/runner-images#12377 (the cached 3.13.4 is buggy on Windows)
- python-version: ${{ matrix.python-version == '3.13' && '3.13.5' || matrix.python-version }}
+ python-version: ${{ matrix.python-version }}
 
  - name: verify free-threaded build
  if: endsWith(matrix.python-version, 't')
@@ -334,7 +350,6 @@ jobs:
  cuda-path: "./cuda_toolkit_prev"
 
  - name: Download cuda.bindings build artifacts from the prior branch
- if: startsWith(matrix.python-version, '3.14')
  env:
  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  run: |
@@ -350,7 +365,7 @@ jobs:
  && apt install gh -y
  fi
 
- OLD_BRANCH=$(cat .github/BACKPORT_BRANCH)
+ OLD_BRANCH=$(yq '.backport_branch' ci/versions.yml)
  OLD_BASENAME="cuda-bindings-python${PYTHON_VERSION_FORMATTED}-cuda*-${{ inputs.host-platform }}*"
  LATEST_PRIOR_RUN_ID=$(gh run list -b ${OLD_BRANCH} -L 1 -w "ci.yml" -s completed -R NVIDIA/cuda-python --json databaseId | jq '.[]| .databaseId')
  if [[ "$LATEST_PRIOR_RUN_ID" == "" ]]; then

.github/workflows/test-wheel-linux.yml

@@ -33,6 +33,7 @@ jobs:
  (inputs.host-platform == 'linux-aarch64' && 'arm64') }}
  outputs:
  MATRIX: ${{ steps.compute-matrix.outputs.MATRIX }}
+ OLD_BRANCH: ${{ steps.compute-matrix.outputs.OLD_BRANCH }}
  steps:
  - name: Checkout ${{ github.event.repository.name }}
  uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
@@ -67,6 +68,10 @@ jobs:
 
  echo "MATRIX=${MATRIX}" | tee --append "${GITHUB_OUTPUT}"
 
+ # This job has yq already installed, so let's do it here
+ OLD_BRANCH=$(yq '.backport_branch' ci/versions.yml)
+ echo "OLD_BRANCH=${OLD_BRANCH}" >> "$GITHUB_OUTPUT"
+
  test:
  name: py${{ matrix.PY_VER }}, ${{ matrix.CUDA_VER }}, ${{ (matrix.LOCAL_CTK == '1' && 'local') || 'wheels' }}, ${{ matrix.GPU }}
  needs: compute-matrix
@@ -147,7 +152,7 @@ jobs:
  && apt update \
  && apt install gh -y
 
- OLD_BRANCH=$(cat .github/BACKPORT_BRANCH)
+ OLD_BRANCH=${{ needs.compute-matrix.outputs.OLD_BRANCH }}
  OLD_BASENAME="cuda-bindings-python${PYTHON_VERSION_FORMATTED}-cuda*-${{ inputs.host-platform }}*"
  LATEST_PRIOR_RUN_ID=$(gh run list -b ${OLD_BRANCH} -L 1 -w "ci.yml" -s completed -R NVIDIA/cuda-python --json databaseId | jq '.[]| .databaseId')
  if [[ "$LATEST_PRIOR_RUN_ID" == "" ]]; then
@@ -219,7 +224,7 @@ jobs:
  with:
  python-version: ${{ matrix.PY_VER }}
  env:
- # we use self-hosted runners on which setup-python behaves weirdly...
+ # we use self-hosted runners on which setup-python behaves weirdly (Python include can't be found)...
  AGENT_TOOLSDIRECTORY: "/opt/hostedtoolcache"
 
  - name: Set up mini CTK

.github/workflows/test-wheel-windows.yml

@@ -125,27 +125,12 @@ jobs:
  name: ${{ env.CUDA_BINDINGS_ARTIFACT_NAME }}
  path: ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}
 
- - name: Install zstd
- # the GPU runner image does not have zstd pre-installed... and it's needed by actions/cache
- if: ${{ matrix.LOCAL_CTK == '1' }}
- env:
- # doesn't seem there's an easy way to avoid hard-coding it?
- ZSTD_URL: https://github.com/facebook/zstd/releases/download/v1.5.7/zstd-v1.5.7-win64.zip
- ZSTD_DIR: zstd-v1.5.7-win64
- run: |
- Invoke-WebRequest -Uri "$env:ZSTD_URL" -OutFile "zstd-win64.zip"
- Expand-Archive -Path "zstd-win64.zip" -DestinationPath .
- ls -l $env:ZSTD_DIR
- echo "$((Get-Location).Path)\\$env:ZSTD_DIR" >> $env:GITHUB_PATH
- $env:Path += ";$((Get-Location).Path)\\$env:ZSTD_DIR"
- zstd --version
-
  - name: Download cuda-python & cuda.bindings build artifacts from the prior branch
  if: ${{ env.SKIP_CUDA_BINDINGS_TEST == '1'}}
  env:
  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  run: |
- $OLD_BRANCH = Get-Content .github/BACKPORT_BRANCH
+ $OLD_BRANCH = yq '.backport_branch' ci/versions.yml
  $OLD_BASENAME = "cuda-bindings-python${env:PYTHON_VERSION_FORMATTED}-cuda*-${{ inputs.host-platform }}*"
  $runData = gh run list -b $OLD_BRANCH -L 1 -w "ci.yml" -s completed -R NVIDIA/cuda-python --json databaseId | ConvertFrom-Json
  if (-not $runData -or $runData.Length -eq 0 -or -not $runData[0].databaseId -or [string]::IsNullOrEmpty($runData[0].databaseId)) {

.spdx-ignore

@@ -5,7 +5,6 @@ LICENSE
 *.png
 .gitattributes
 .gitignore
-.github/BACKPORT_BRANCH
 requirements*.txt
 cuda_bindings/examples/*
 

ci/versions.yml

@@ -1,6 +1,8 @@
 # SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
+backport_branch: "12.9.x"
+
 cuda:
  build:
  version: "13.1.0"