Class: Binbundle::GemBins

Inherits:
Object
  • Object
show all
Defined in:
lib/binbundle/gem_bins.rb

Overview

Main class

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ GemBins

Returns a new instance of GemBins.



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# File 'lib/binbundle/gem_bins.rb', line 10

def initialize(options = {})
  @include_version = options[:include_version] || false
  @user_install = options[:user_install]
  @sudo = options[:sudo]
  @dry_run = options[:dry_run]
  @file = File.expand_path(options[:file])

  @local_gems = local_gems.delete_if { |_, specs| specs.delete_if { |spec| spec.executables.empty? }.empty? }
end

Instance Method Details

#bins_to_s ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 104

def bins_to_s
  gems_with_bins = {}

  @local_gems.each do |g, specs|
    versions = specs.map { |spec| spec.version.to_s }
    bins = specs.map(&:executables)
    gems_with_bins[g] = { version: versions.max, bins: bins.sort.uniq }
  end

  gems_with_bins.map { |gem, attrs| gem_command(gem, attrs) }.join("\n\n")
end

#gem_command(gem, attrs) ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 97

def gem_command(gem, attrs)
  ver = @include_version ? " -v '#{attrs[:version]}'" : ''
  ui = @user_install ? '--user-install ' : ''
  sudo = @sudo ? 'sudo ' : ''
  "# Executables: #{attrs[:bins].join(', ')}\n#{sudo}gem install #{ui}#{gem}#{ver}"
end

#generate ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 116

def generate
  output = bins_to_s

  if @dry_run
    puts output
  else
    write_file(output)
  end
end

#info(options) ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 20

def info(options)
  unless File.exist?(@file) || options[:local]
    puts "File #{@file} not found"
    Process.exit 1
  end

  contents = if options[:local]
               bins_to_s
             else
               IO.read(@file)
             end

  gem_list = GemList.new(contents, include_version: @include_version)
  if options[:gem_for]
    gem_list.gem_for_bin(options[:gem_for])
  elsif options[:bin_for]
    gem_list.bins_for_gem(options[:bin_for])
  end
end

#install ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 40

def install
  unless File.exist?(@file)
    puts "File #{@file} not found"
    Process.exit 1
  end

  res = Prompt.yn("Install gems from #{File.basename(@file)}", default_response: true)

  Process.exit 0 unless res

  puts "Installing gems from #{@file}"

  contents = IO.read(@file)
  gem_list = GemList.new(contents, include_version: @include_version)
  lines = if @sudo
            gem_list.sudo
          elsif @user_install
            gem_list.user_install
          else
            gem_list.normal_install
          end

  if @dry_run
    puts lines.join("\n")
    Process.exit 0
  end

  `sudo echo -n ''` if @sudo

  @errors = []

  lines.each do |cmd|
    # rubocop:disable Naming/VariableNumber
     = TTY::Spinner.new("[:spinner] #{cmd} ...", hide_cursor: true, format: :dots_2)
    # rubocop:enable Naming/VariableNumber

    .auto_spin

    output = `/bin/bash -c '#{cmd}' 2>&1`
    result = $CHILD_STATUS.success?

    if result
      .success
      .stop
    else
      .error
      .stop
      @errors << output
    end
  end

  return if @errors.empty?

  puts 'ERRORS:'
  puts @errors.join("\n")
end

#local_gems ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 6

def local_gems
  Gem::Specification.sort_by { |g| [g.name.downcase, g.version] }.group_by(&:name)
end

#write_file(output) ⇒ Object 



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# File 'lib/binbundle/gem_bins.rb', line 126

def write_file(output)
  if File.exist?(@file)
    res = Prompt.yn("#{@file} already exists, overwrite", default_response: false)
    Process.exit 1 unless res
  end

  File.open(@file, 'w') do |f|
    f.puts '#!/bin/bash'
    f.puts
    f.puts output
  end

  puts "Wrote list to #{@file}"

  res = Prompt.yn('Make file executable', default_response: true)

  return unless res

  FileUtils.chmod 0o777, @file
  puts 'Made file executable'
end