Contents

#!/usr/bin/env ruby

require "fileutils"
require "pathname"

include FileUtils

gem_name = ARGV[0]

if gem_name.nil?
  puts "usage: #{$0} gem_name"
  exit 1
end

root = Pathname(__FILE__).dirname / ".."

module_name = gem_name.split(/_/).map { |part|
  part.capitalize
}.join

mkdir_p root / "lib"

File.open(root / "lib" / "#{gem_name}.rb", "w") do |file|
  file.puts "module #{module_name}"
  file.puts "end"
end

mkdir_p root / "lib" / gem_name

File.open(root / "lib" / gem_name / "version.rb", "w") do |file|
  file.puts "module #{module_name}"
  file.puts "  VERSION=\"1.0.0\""
  file.puts "end"
end

gemspec = File.read("rubygem.gemspec")
File.open(root / "#{gem_name}.gemspec","w") do |file|
  file.puts "require_relative \"lib/#{gem_name}/version\""
  file.puts
  gemspec.split(/\n/).each do |line|
    if line =~ /^\s*spec.name/
      file.puts "  spec.name = \"#{gem_name}\""
    elsif line =~ /^\s*spec.version/
      file.puts "  spec.version = #{module_name}::VERSION"
    elsif line.include?("«gem_name»")
      file.puts line.gsub(/«gem_name»/,gem_name)
    else
      file.puts line
    end
  end
end

license = File.read(root / "LICENSE.md")
File.open(root / "LICENSE.md","w") do |file|
  license.split(/\n/).each_with_index do |line,index|
    if index == 0
      file.puts "[#{gem_name}] Copyright (2021) (David Copeland)(“Licensor”)"
    else
      file.puts line
    end
  end
end

readme = File.read(root / "README.md")
File.open(root / "README.md","w") do |file|
  license.split(/\n/).each_with_index do |line,index|
    if index == 0
      file.puts "# #{gem_name} - does a thing"
    else
      file.puts line
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
with_clues-1.2.0	bin/mk_gem
with_clues-1.1.0	bin/mk_gem
with_clues-1.0.0	bin/mk_gem