Repository: ollama/ollama
File: scripts/install.sh (Shell)

Code before:
        SUDO_CMD="sudo"
        echo "Downloading the ollama executable to the PATH, this will require sudo permissions."
    fi
fi

# Check if CUDA drivers are available
if command -v nvidia-smi >/dev/null 2>&1; then
    CUDA_VERSION=$(nvidia-smi | grep -o "CUDA Version: [0-9]*\.[0-9]*")
    if [ -z "$CUDA_VERSION" ]; then
        echo "Warning: NVIDIA-SMI is available, but the CUDA version cannot be detected. Installing CUDA drivers..."
        curl https://developer.download.nvidia.com/compute/cuda/12.2.2/local_installers/cuda_12.2.2_535.104.05_linux.run | ${SUDO_CMD}sh -s -- --silent --driver
    else
        echo "Detected CUDA version $CUDA_VERSION"
    fi
else
    # Check for the presence of an NVIDIA GPU using lspci
    if lspci | grep -i "nvidia" >/dev/null 2>&1; then
        echo "Warning: NVIDIA GPU detected but NVIDIA-SMI is not available. Installing CUDA drivers..."
        curl https://developer.download.nvidia.com/compute/cuda/12.2.2/local_installers/cuda_12.2.2_535.104.05_linux.run | ${SUDO_CMD}sh -s -- --silent --driver
    else
        echo "No NVIDIA GPU detected. Skipping driver installation."
    fi
fi

${SUDO_CMD} mkdir -p /usr/bin
${SUDO_CMD} curl https://ollama.ai/download/latest/ollama-linux-$ARCH > /usr/bin/ollama

# Add ollama to start-up
if command -v systemctl >/dev/null 2>&1; then
    echo "Creating systemd service file for ollama..."
    cat <<EOF | ${SUDO_CMD} tee /etc/systemd/system/ollama.service >/dev/null
[Unit]
Description=Ollama Service
After=network.target

[Service]
ExecStart=/usr/bin/ollama serve
Restart=always
RestartSec=3
Environment="HOME=$HOME"

[Install]
WantedBy=default.target
EOF
    echo "Reloading systemd and enabling ollama service..."
    ${SUDO_CMD} systemctl daemon-reload
    ${SUDO_CMD} systemctl enable ollama
    ${SUDO_CMD} systemctl restart ollama
else
    echo "Installation complete. Run 'ollama serve' from the command line to start the service. Use 'ollama run' to query a model."
    exit 0

Review comment (suggestion):
```suggestion
${SUDO_CMD} curl -fsSL -o /usr/bin/ollama https://ollama.ai/download/latest/ollama-linux-$ARCH
```

Code after:
            echo "Downloading the ollama executable to the PATH, this will require sudo permissions."
        else
            echo "Error: sudo is not available. Please run as root or install sudo."
            exit 1
        fi
    else
        SUDO_CMD=""
    fi
}

install_cuda_drivers() {
    local os_name
    if [ -f "/etc/os-release" ]; then
        . /etc/os-release
        os_name=$ID
    else
        echo "Unable to detect operating system. Skipping CUDA installation."
        return 1
    fi

    # based on https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#package-manager-installation
    case $os_name in
        CentOS)
            $SUDO_CMD yum install yum-utils
            $SUDO_CMD yum-config-manager --add-repo https://developer.download.nvidia.com/compute/cuda/repos/rhel7/x86_64/cuda-rhel7.repo
            $SUDO_CMD yum clean all
            $SUDO_CMD yum -y install nvidia-driver-latest-dkms
            $SUDO_CMD yum -y install cuda-driver
            $SUDO_CMD yum install kernel-devel-$(uname -r) kernel-headers-$(uname -r)
            $SUDO_CMD dkms status | awk -F: '/added/ { print $1 }' | xargs -n1 $SUDO_CMD dkms install
            $SUDO_CMD modprobe nvidia
            ;;
        RedHatEnterprise*|Kylin|Fedora|SLES|openSUSE*|Microsoft|Ubuntu|Debian)
            echo "NVIDIA CUDA drivers may not be installed, you can install them from: https://developer.nvidia.com/cuda-downloads"
            ;;
        *)
            echo "Unsupported or unknown distribution, skipping GPU CUDA driver install: $os_name"
            ;;
    esac
}

check_install_cuda_drivers() {
    if lspci -d '10de:' | grep 'NVIDIA' >/dev/null; then
        # NVIDIA Corporation [10de] device is available
        if command -v nvidia-smi >/dev/null 2>&1; then
            CUDA_VERSION=$(nvidia-smi | grep -o "CUDA Version: [0-9]*\.[0-9]*")
            if [ -z "$CUDA_VERSION" ]; then
                echo "Warning: NVIDIA-SMI is available, but the CUDA version cannot be detected. Installing CUDA drivers..."
                install_cuda_drivers
            else
                echo "Detected CUDA version $CUDA_VERSION"