nebula-nightly.sh

#!/bin/bash
set -e

FILE="nebula-$(uname | tr '[:upper:]' '[:lower:]')-amd64.tar.gz"
BINDIR="/usr/local/bin"

CURRENT="v$($BINDIR/nebula -version | cut -d' ' -f2)"

TEMPDIR="$(mktemp -d)"
trap 'rm -rf "$TEMPDIR"' exit
cd "$TEMPDIR"

curl -s "https://api.github.com/repos/NebulaOSS/nebula-nightly/releases/latest" >latest.json
LATEST="$(jq -r .tag_name latest.json)"

if [ "$CURRENT" = "$LATEST" ]
then
    echo "Already on latest nightly: $LATEST"
    exit 0
fi

echo "Upgrading from $CURRENT -> $LATEST"

URL="$(jq -r '.assets[] | select(.name == "'"$FILE"'").browser_download_url' latest.json)"

curl -L -o "$FILE" "$URL"
tar -zxf "$FILE"

sudo mv nebula /usr/local/bin
sudo mv nebula-cert /usr/local/bin

"$BINDIR/nebula" -version