k9s-update.sh

#!/bin/sh

USER=derailed
REPO=k9s
VERSION=$(curl -s https://api.github.com/repos/$USER/$REPO/releases/latest | grep -oP '"tag_name": "\K(.*)(?=")')
MACHINE=$(uname -m)
K9S_VERSION=$(k9s version -s | grep -oP '(v\d+\.\d+\.\d+)' )
echo "Current k9s version: $K9S_VERSION"
echo "Upstream k9s version: $VERSION"
# https://github.com/derailed/k9s/releases/download/v0.24.12/k9s_Linux_x86_64.tar.gz
# https://github.com/derailed/k9s/releases/download/v0.24.12/k9s_Linux_arm64.tar.gz
# https://github.com/derailed/k9s/releases/download/v0.27.3/k9s_Linux_amd64.tar.gz
if [ "${MACHINE}" = 'x86_64' ]; then
        MACHINE='amd64'
fi
if [ "${MACHINE}" = 'aarch64' ]; then
        MACHINE='arm64'
fi
if [ "${K9S_VERSION}" != "${VERSION}" ];  then
        # wget -qO- https://github.com/${USER}/${REPO}/releases/download/$VERSION/${REPO}_${VERSION}_Linux_${MACHINE}.tar.gz | tar -xvz -C /tmp
        wget -qO- https://github.com/${USER}/${REPO}/releases/download/$VERSION/${REPO}_Linux_${MACHINE}.tar.gz | tar -xvz -C /tmp
        sudo mv /tmp/k9s /usr/local/bin/
else
        echo "Nothing to do: ${K9S_VERSION} == ${VERSION}"
fi