Add install hugo script

bin/install-hugo-system

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -x
+set -e
+
+VERSION=${VERSION:-0.76.3}
+PREFIX_DIR=/usr/local
+BIN_DIR="${PREFIX_DIR}/bin"
+
+OS=
+if [[ $OSTYPE =~ linux ]]; then
+    OS=Linux
+elif [[  $OSTYPE =~ darwin ]]; then
+    OS=macOS
+else
+    echo unknown os: "$OSTYPE"
+    exit 1
+fi
+
+URL=https://github.com/gohugoio/hugo/releases/download/v${VERSION}/hugo_${VERSION}_${OS}-64bit.tar.gz
+TMP_DIR=$(mktemp --directory)
+
+cd "$TMP_DIR"
+curl --location --silent --output release.tar.gz "${URL}"
+tar xvzf release.tar.gz
+sudo chown root:root hugo
+
+sudo mkdir -p "${PREFIX_DIR}/apps/hugo/${VERSION}"
+sudo mv ./hugo "${PREFIX_DIR}/apps/hugo/${VERSION}/hugo"
+cd "${PREFIX_DIR}/apps/hugo/"
+[[ -s current ]] && sudo unlink current
+sudo ln -s "${VERSION}" current
+
+cd ${BIN_DIR}
+[[ -L ${BIN_DIR}/hugo ]] || sudo ln --symbolic "${PREFIX_DIR}/apps/hugo/current/hugo"
+
+if [[ $TMP_DIR != "" ]]; then
+    rm -rf "${TMP_DIR}"
+    echo removed up temp directory "${TMP_DIR}"
+fi