Install and update hugo extdended on linux 64bit including man pages and bash completion

update-hugo.sh

#!/bin/bash

# Change to temporary directory
pushd /tmp/

# Get latest hugo version
if test -f "$HOME/.local/bin/hugo"; then
  _currentver=$(hugo version | grep -m 1 -Eo '[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}')
else
  _currentver="Not installed"
fi
_latestver=$(curl --silent -N "https://api.github.com/repos/gohugoio/hugo/tags" | grep -m 1 -Eo '[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}')

echo "Latest version: $_latestver"
echo "Current version: $_currentver"

if [ "$_latestver" != "$_currentver" ]; then

  echo "Downloading hugo v${_latestver}"
  curl -L "https://github.com/gohugoio/hugo/releases/download/v${_latestver}/hugo_extended_${_latestver}_Linux-64bit.tar.gz" --progress-bar >hugo_extended_${_latestver}_Linux-64bit.tar.gz

  echo "Extracting hugo binary..."
  tar xvfz hugo_extended_${_latestver}_Linux-64bit.tar.gz hugo

  # Make hugo binary executable
  echo "Making hugo executable..."
  chmod +x hugo

  # Move hugo binary to a location that is already in your PATH
  echo "Moving hugo to ~/.local/bin..."
  mv hugo $HOME/.local/bin/

  # Install man pages
  echo "Installing man pages..."
  mkdir -p $HOME/.local/share/man/man1
  rm $HOME/.local/share/man/man1/hugo* -rf
  hugo gen man --dir $HOME/.local/share/man/man1

  # Install shell completion files
  echo "Installing bash completion..."
  mkdir -p $HOME/.local/share/bash-completion/completions/
  hugo completion bash > $HOME/.local/share/bash-completion/completions/hugo
  echo "Installing fish completion..."
  mkdir -p $HOME/.config/fish/completions/
  hugo completion fish > $HOME/.config/fish/completions/hugo.fish


  # Go back to previous directory
  popd

  # Display hugo binary location and version
  location="$(which hugo)"
  echo "Hugo binary location: $location"
  version="$(hugo version)"
  echo "Hugo binary version: $version"
else
  echo "Latest version ${_latestver} is already installed"
fi