setup.sh

#!/bin/bash
#ver=> Ubuntu 20.04*

###@ MoltenObsidian setup script
###@ https://github.com/Nodsoft/setup-moltenobsidian
###@
###@ This script is intended to be used on a GitHub Actions runner
###@ to setup the MoltenObsidian CLI tool.
###@ It is assumed that the runner already has the following installed:
###@ - dotnet

# Try/catch functions
function try() {
  [[ $- = *e* ]]
  SAVED_OPT_E=$?
  set +e
}

function catch() {
  export ex_code=$?
  (($SAVED_OPT_E)) && set +e
  return $ex_code
}

function throw() {
  exit $1
}

version=null

# Catch any errors
try
(
  # Get version if any (option: -v <version>)
  while getopts v: flag; do
    if [ $flag == "v" ]; then
      version=$OPTARG
    fi
  done

  # Install MoltenObsidian
  echo "Installing MoltenObsidian..."

  command="dotnet tool install -g Nodsoft.MoltenObsidian.Tool"
  if [ "$version" != "latest" ]; then
    command="$command --version $version"
  fi

  # Debug
  echo "::debug::Command: $command"

  $command

  echo "::group::MoltenObsidian installed successfully."
  echo "Installed version: $(moltenobsidian --version)"
  echo "::endgroup::"
)
catch ||
  (
    # Okay, something went wrong.
    # Let's send an error back to the runner.

    echo "::error title=Failed to install MoltenObsidian::Error: $ex_code"
  )