These "env" files match up with an environment matrix that roughly covers:

-   Different Python versions
-   Linux, MacOS, and Windows machines (these pool definitions are internal)
-   x86 and arm64
-   CPU-only, or with NVIDIA CUDA support (Linux only), or with TPUs

## How to Test Your Changes to TensorFlow

You may check how your changes will affect TensorFlow by:

1. Creating a PR and observing the presubmit test results

load("@python//:defs.bzl", "compile_pip_requirements")
load("@python_version_repo//:py_version.bzl", "REQUIREMENTS")

# TODO(ybaturina): Remove once TF is migrated to CUDA 12.9.
genrule(
    name = "nvidia_constraints",
    srcs = ["nvidia-requirements.txt"],
    outs = ["nvidia-constraints.txt"],
    cmd = """sed -E "s/>=/==/" $(location nvidia-requirements.txt) > $@;""",
)

# limitations under the License.
# ==============================================================================
source "${BASH_SOURCE%/*}/utilities/setup.sh"

# Record GPU count and CUDA version status
if [[ "$TFCI_NVIDIA_SMI_ENABLE" == 1 ]]; then
  tfrun nvidia-smi
fi

# Update the version numbers for Nightly only
if [[ "$TFCI_NIGHTLY_UPDATE_VERSION_ENABLE" == 1 ]]; then
  python_bin=python3

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \

    #   -r ci/official/requirements_updater/nvidia-constraints.txt
    #   -r ci/official/requirements_updater/nvidia-requirements.txt
    #   nvidia-cudnn-cu12
    #   nvidia-cusolver-cu12
nvidia-cuda-cupti-cu12==12.5.82 \
    --hash=sha256:4f835281cf492e2bedd153f5c3de9da8f1d775a419468305e64ce73b3b0c6dc3 \
    --hash=sha256:bde77a5feb66752ec61db2adfe47f56b941842825b4c7e2068aff27c9d107953 \