Moves the contents of relative path $dir to $old_dir, under a folder for the current project version, excluding $old_dir, as it's a subfolder of $dir

versioning.sh

#!/bin/bash
old_dir="old"
dir="public"
echo "Determining version..."
if [ "$(command -v xmllint)" ]; then
  echo "using XMLlint."
  version="$(xmllint --xpath '/*[local-name()="project"]/*[local-name()="version"]/text()' pom.xml)"
else
  echo "using Maven."
  version="$(mvn -q \
    -Dexec.executable=echo \
    -Dexec.args='${project.version}' \
    --non-recursive \
    exec:exec)"
fi

if [ -n "$version" ] && [ -f "./${dir}/index.html" ]; then
  new_dir="${dir}/${old_dir}/${version}"
  echo "Copying documentation version $version to $new_dir..."
  if [ -f "./${new_dir}/index.html" ]; then
    echo "Overwriting existing files in $new_dir..."
  fi
  mkdir -p "./$new_dir"
  echo '{ "version" : "'"$version"'" }' >> "./$new_dir/version.json"
  folders="$(find ./$dir -mindepth 1 -type d \( -path "**/$old_dir/**" -o -path "**/$old_dir" \) -prune -o -printf "%P\n")"
  for folder in $folders; do
#    echo "Copying $folder to ./${new_dir}/${folder}..."
    cp -r -f "./${dir}/${folder}" "./${new_dir}/${folder}"
  done
  echo "Copying of documentation version $version done."
elif [ -n "$version" ]; then
  echo "No documentation under $dir found, skipping copy."
else
  echo "Version could not be determined from pom.xml."
fi