prvng_core/cli/cfssl-install.sh

#!/bin/bash
VERSION="1.6.4"

# shellcheck disable=SC2006
OS=$(uname | tr '[:upper:]' '[:lower:]')
ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')"

wget https://github.com/cloudflare/cfssl/releases/download/v${VERSION}/cfssl_${VERSION}_${OS}_${ARCH}
if [ -r "cfssl_${VERSION}_${OS}_${ARCH}" ] ; then
   chmod +x "cfssl_${VERSION}_${OS}_${ARCH}"
   sudo mv "cfssl_${VERSION}_${OS}_${ARCH}" /usr/local/bin/cfssl
fi
wget https://github.com/cloudflare/cfssl/releases/download/v${VERSION}/cfssljson_${VERSION}_${OS}_${ARCH}
if [ -r "cfssljson_${VERSION}_${OS}_${ARCH}" ] ; then
   chmod +x "cfssljson_${VERSION}_${OS}_${ARCH}"
   sudo mv "cfssljson_${VERSION}_${OS}_${ARCH}" /usr/local/bin/cfssljson
fi