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#!/usr/bin/env bash
# Constants
DEFAULT_VERSION='v0.6.12'
DEFAULT_ARCH='amd64'
DEFAULT_SYSTEM='linux'
# Variables
VERSION="${1:-$DEFAULT_VERSION}"
ARCH="${2:-$DEFAULT_ARCH}"
SYSTEM="${3:-$DEFAULT_SYSTEM}"
ARCHIVE="rancher-${SYSTEM}-${ARCH}-${VERSION}.tar.gz"
DIRECTORY="rancher-${VERSION}"
URL="https://releases.rancher.com/cli/${VERSION}/${ARCHIVE}"
# Prerequistes
wget "$URL"
tar xf "$ARCHIVE"
# Installation
echo '# Privilege elevation needed to move Rancher CLI binary to /usr/local/bin'
sudo mv "${DIRECTORY}/rancher" /usr/local/bin/
# Cleanup
rmdir "$DIRECTORY"
rm "$ARCHIVE"
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