docmachine-containers/scripts/gx-mkteaching

#!/usr/bin/env ruby
# frozen_string_literal: true

require 'fileutils'
require 'find'
require 'thor'
require 'colorize'

EXCLUDE_LIST = ['.git', 'node_modules'].freeze
SKEL_DIR = ENV['HOME'] + '/src/Glenux.Teaching/teaching-boilerplate'

if ! File.directory? SKEL_DIR
  warn "ERROR: missing #{SKEL_DIR}"
  exit 1
end

# TeachingCli
class TeachingCli < Thor
  desc 'create PROJECT', 'Create PROJECT directory'
  def create(target)
    # Create dir
    if target.empty?
      warn 'Target not specified'
      exit 1
    end

    puts "Creating project #{target}"
    FileUtils.mkdir_p target

    # Create structure
    Find.find(SKEL_DIR) do |path|
      if EXCLUDE_LIST.include? File.basename(path)
        Find.prune
        next
      end
      next unless File.directory?(path)

      shortpath = path.gsub(SKEL_DIR, '').gsub(%r{^/}, '')
      next if shortpath.empty?

      targetpath = File.join(target, shortpath)
      print "Creating directory #{shortpath}… "
      FileUtils.mkdir_p targetpath
      puts 'ok'.green
    end

    # Create files if possible
    Find.find(SKEL_DIR) do |path|
      if EXCLUDE_LIST.include? File.basename(path)
        Find.prune
        next
      end

      next if File.directory?(path)

      shortpath = path.gsub(SKEL_DIR, '').gsub(%r{^/}, '')
      next if shortpath.empty?

      targetpath = File.join(target, shortpath)
      print "Creating file #{shortpath}… "

      # File does not exist => install it
      unless File.exist? targetpath
        FileUtils.cp path, targetpath
        puts 'ok (installed)'.green
        next
      end

      # File exist & different
      unless system 'cmp', '--quiet', path, targetpath
        if File.exist? targetpath + '.new'
          puts 'error (pease solve previous conflict)'.red
        else
          puts 'warning (conflict when creating file)'.yellow
          FileUtils.cp path, targetpath + '.new'
        end
        next
      end

      puts 'ok (identical)'.green
      FileUtils.cp path, targetpath
    end
  end
end

TeachingCli.start(ARGV)