build & preview: Update with versions from template

build.sh

@@ -1,41 +1,47 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 image="docker.io/antora/antora"
 cmd="--html-url-extension-style=indexify site.yml"
 
-if [ "$(uname)" == "Darwin" ]; then
+if uname | grep -iwq darwin; then
     # Running on macOS.
     # Let's assume that the user has the Docker CE installed
     # which doesn't require a root password.
     echo ""
     echo "This build script is using Docker container runtime to run the build in an isolated environment."
     echo ""
-    docker run --rm -it -v $(pwd):/antora $image $cmd
+    docker run --rm -it -v "$(pwd):/antora" "${image}" "${cmd}"
 
-elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+elif uname | grep -iq linux; then
     # Running on Linux.
-    # Check whether podman is available, else fall back to docker
+    # there isn't an antora/aarch64 container, antora can be installed locally
+    # Check whether podman is available, else faill back to docker
     # which requires root.
 
-    if [ -f /usr/bin/podman ]; then
+    if [ -f /usr/local/bin/antora ]; then
+        /usr/local/bin/antora "${cmd}"
+    elif uname -m | grep -iwq aarch64; then
+        echo "no antora/aarch64 container try just \`npm install -g @antora/cli @antora/site-generator-default\`"
+    elif [ -f /usr/bin/podman ]; then
         echo ""
         echo "This build script is using Podman to run the build in an isolated environment."
         echo ""
-        podman run --rm -it -v $(pwd):/antora:z $image $cmd
+        podman run --rm -it -v "$(pwd):/antora:z" "${image}" "${cmd}"
 
     elif [ -f /usr/bin/docker ]; then
         echo ""
         echo "This build script is using Docker to run the build in an isolated environment."
         echo ""
 
         if groups | grep -wq "docker"; then
-            docker run --rm -it -v $(pwd):/antora:z $image $cmd
+            docker run --rm -it -v "$(pwd):/antora:z" "${image}" "${cmd}"
         else
+            echo "You might be asked for your password."
+            echo "You can avoid this by adding your user to the 'docker' group,"
+            echo "but be aware of the security implications."
+            echo "See https://docs.docker.com/install/linux/linux-postinstall/"
             echo ""
-            echo "This build script is using $runtime to run the build in an isolated environment. You might be asked for your password."
-            echo "You can avoid this by adding your user to the 'docker' group, but be aware of the security implications. See https://docs.docker.com/install/linux/linux-postinstall/."
-            echo ""
-            sudo docker run --rm -it -v $(pwd):/antora:z $image $cmd
+            sudo docker run --rm -it -v "$(pwd):/antora:z" "${image}" "${cmd}"
         fi
     else
         echo ""

preview.sh

@@ -1,13 +1,13 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
-if [ "$(uname)" == "Darwin" ]; then
+if [ "$(uname)" = "Darwin" ]; then
     # Running on macOS.
     # Let's assume that the user has the Docker CE installed
     # which doesn't require a root password.
     echo "The preview will be available at http://localhost:8080/"
-    docker run --rm -v $(pwd):/antora:ro -v $(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf:ro -p 8080:80 nginx
+    docker run --rm -v "$(pwd):/antora:ro" -v "$(pwd)/nginx.conf:/etc/nginx/conf.d/default.conf:ro" -p 8080:80 nginx
 
-elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+elif [ "$(expr substr "$(uname -s)" 1 5)" = "Linux" ]; then
     # Running on Linux.
     # Fedora Workstation has python3 installed as a default, so using that
     echo ""