Adding script to get render preview to work

Author: jdamerow

render-script.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# save as render-build.sh and make sure it's executable
+# update the version being used to match version being used in build
+
+hugo version # Output the OLD version
+
+HUGO_VERSION=0.147.3
+OS_VERSION="Linux-64bit"
+#OS_VERSION="darwin-universal"  # uncomment to test on mac osx
+
+./themes/hugo-bibliography/fetch-zotero.sh
+
+if [[ ! -f $XDG_CACHE_HOME/hugo ]]; then
+  echo "...Downloading HUGO"
+  mkdir -p ~/tmp
+  wget -P ~/tmp https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_${OS_VERSION}.tar.gz
+  cd ~/tmp
+  echo "...Extracting HUGO"
+  tar -xzvf hugo_extended_${HUGO_VERSION}_${OS_VERSION}.tar.gz
+  echo "...Moving HUGO"
+  mv hugo $XDG_CACHE_HOME/hugo
+  cd $HOME/project/src # Make sure we return to where we were
+else
+  echo "...Using HUGO from build cache"
+fi
+
+$XDG_CACHE_HOME/hugo version # Output the NEW version
+
+# Render sets IS_PULL_REQUEST to true for PR previews.
+if [ "${IS_PULL_REQUEST:-}" = "true" ]; then
+    echo "Base url:"
+    echo $RENDER_EXTERNAL_URL
+    $XDG_CACHE_HOME/hugo --gc -e preview -b $RENDER_EXTERNAL_URL
+else
+    $XDG_CACHE_HOME/hugo --gc --minify -b https://ag-institutional-rse-networking.onrender.com/
+
+fi