install.sh

#!/bin/sh

{
set -e

LATEST_URL="https://github.com/goss-org/goss/releases/latest"
LATEST_EFFECTIVE=$(curl -s -L -o /dev/null ${LATEST_URL} -w '%{url_effective}')
LATEST=${LATEST_EFFECTIVE##*/}

DGOSS_VER=$GOSS_VER

if [ -z "$GOSS_VER" ]; then
    GOSS_VER=${GOSS_VER:-$LATEST}
    DGOSS_VER='master'
fi
if [ -z "$GOSS_VER" ]; then
    echo "ERROR: Could not automatically detect latest version, set GOSS_VER env var and re-run"
    exit 1
fi
GOSS_DST=${GOSS_DST:-/usr/local/bin}
INSTALL_LOC="${GOSS_DST%/}/goss"
DGOSS_INSTALL_LOC="${GOSS_DST%/}/dgoss"
touch "$INSTALL_LOC" || { echo "ERROR: Cannot write to $GOSS_DST set GOSS_DST elsewhere or use sudo"; exit 1; }

# Reference: https://wiki.debian.org/ArchitectureSpecificsMemo
case "$(uname -m)" in
  x86_64)
    arch="x86_64"
    ;;
  aarch32|arm)
    arch="arm"
    ;;
  aarch64|arm64)
    arch="arm64"
    ;;
  s390x)
    arch="s390x"
    ;;
  i?86)
    arch="i386"
    ;;
  ppcle|ppc64le)
    arch="ppc64le"
    ;;
  *)
    echo "error: unknown/unsupported architecture: $(uname -m)" >&2
    exit 1
    ;;
esac

url="https://github.com/goss-org/goss/releases/download/$GOSS_VER/goss_${GOSS_VER#v}_linux_$arch.tar.gz"

echo "Downloading $url"
tmp=$(mktemp -d)
trap "rm -rf $tmp" EXIT
curl -L "$url" | tar xz -C "$tmp"
mv "$tmp/goss" "$INSTALL_LOC"
echo "Goss $GOSS_VER has been installed to $INSTALL_LOC"
echo "goss --version"
"$INSTALL_LOC" --version

dgoss_url="https://raw.githubusercontent.com/goss-org/goss/$DGOSS_VER/extras/dgoss/dgoss"
echo "Downloading $dgoss_url"
curl -L "$dgoss_url" -o "$DGOSS_INSTALL_LOC"
chmod +rx "$DGOSS_INSTALL_LOC"
echo "dgoss $DGOSS_VER has been installed to $DGOSS_INSTALL_LOC"
}