Class: GitHooksHelper::Hook

Inherits:
Object
  • Object
show all
Defined in:
lib/git-hooks-helper/hook.rb

Constant Summary collapse

RB_REGEXP = 
/\.(rb|rake|task|prawn|[Rr]akefile|task)\z/.freeze
ERB_REGEXP = 
/\.erb\z/.freeze
JS_REGEXP = 
/\.js\z/.freeze
HAML_REGEXP = 
/\.haml\z/.freeze
COFFEE_REGEXP = 
/\.coffee\z/.freeze
SLIM_REGEXP = 
/\.slim\z/.freeze
FILETYPES = 
{
  rb:     RB_REGEXP,
  erb:    ERB_REGEXP,
  js:     JS_REGEXP,
  haml:   HAML_REGEXP,
  coffee: COFFEE_REGEXP,
  slim:   SLIM_REGEXP
}.freeze
RB_WARNING_REGEXP = 
/[0-9]+:\s+warning:/.freeze
HAML_INVALID_REGEXP = 
/error/.freeze
ERB_INVALID_REGEXP = 
/invalid\z/.freeze
SLIM_INVALID_REGEXP = 
/Slim::Parser/.freeze
COLOR_REGEXP = 
/\e\[(\d+)m/.freeze

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Hook

Set this to true if you want warnings to stop your commit



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# File 'lib/git-hooks-helper/hook.rb', line 34

def initialize(&block)
  @ruby = GitHooksHelper::Ruby.new
  @debug = false

  @result = GitHooksHelper::Result.new(false)
  @changed_files = GitHooksHelper::Git.in_index
  debug("changed files")
  debug @changed_files
  instance_eval(&block) if block

  if @result.errors?
    status = 1
    puts "ERRORS:".red
    puts @result.errors.join("\n")
    puts "--------\n".red
  end

  if @result.warnings?
    if @result.stop_on_warnings
      puts "WARNINGS:".yellow
    else
      puts "Warnings:".yellow
    end
    puts @result.warnings.join("\n")
    puts "--------\n".yellow
  end

  if @result.perfect_commit?
    puts "Perfect commit!".green
  end

  if @result.continue?
    # all good
    puts("COMMIT OK:".green)
    exit 0
  else
    puts("COMMIT FAILED".red)
    exit 1
  end
end

Instance Method Details

#changed_files(filetypes = [:all]) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 115

def changed_files(filetypes = [:all])
  filetypes = Array(filetypes)
   @changed_files.select{ |file| file_matches_filetypes?(file, filetypes) and File.readable?(file) }
end

#check_best_practices ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 179

def check_best_practices
  Open3.popen3("pwd") do |stdin, stdout, stderr|
    puts stdout.read
  end
  each_changed_file([:rb, :erb, :haml]) do |file|
    Open3.popen3("rails_best_practices --spec --test #{file}") do |stdin, stdout, stderr|
      @result.warn(stdout.read.split("\n").map do |line|
        if line =~ /#{file}/
          line.gsub(COLOR_REGEXP, '').strip
        end
      end.compact)
    end
  end
end

#check_erb ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 136

def check_erb
  each_changed_file([:erb]) do |file|
    Open3.popen3("rails-erb-check #{file}") do |stdin, stdout, stderr|
      lines = stdout.read.split("\n")
      errors = lines.map do |line|
        if line.gsub(COLOR_REGEXP, '') =~ ERB_INVALID_REGEXP
          "#{file} => invalid ERB syntax"
        end
      end.compact
      @result.errors.concat errors
    end
  end
end

#check_haml ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 165

def check_haml
  each_changed_file([:haml]) do |file|
    Open3.popen3("haml --check #{file}") do |stdin, stdout, stderr|
      lines = stderr.read.split("\n")
      errors = lines.map do |line|
        if line.gsub(COLOR_REGEXP, '') =~ HAML_INVALID_REGEXP
          "#{file} => invalid HAML syntax\n  #{line}"
        end
      end.compact
      @result.errors.concat errors
    end
  end
end

#check_ruby_syntax ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 126

def check_ruby_syntax
  each_changed_file([:rb]) do |file|
    Open3.popen3(GitHooksHelper::Ruby.check_syntax(file)) do |stdin, stdout, stderr|
      stderr.read.split("\n").each do |line|
        line =~ RB_WARNING_REGEXP ? @result.warnings << line : @result.errors << line
      end
    end
  end
end

#check_slim ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 150

def check_slim
  each_changed_file([:slim]) do |file|
    Open3.popen3("slimrb -c #{file}") do |stdin, stdout, stderr|
      lines = stderr.read.split("\n")
      # HELP NEEDED HERE.
      # Somewhy this appears in stderr when runnin in read world:
      # 'fatal: Not a git repository: '.git''
      errors = if lines.size > 0 && lines.any?{|line| line =~ SLIM_INVALID_REGEXP}
        # skip last 2 lines from output. There is only trace info.
        @result.errors << "#{file} => invalid SLIM syntax\n  " + lines[0..-3].join("\n  ")
      end
    end
  end
end

#debug(msg) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 241

def debug(msg)
  puts msg if @debug
end

#do_not_stop_on_warnings ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 87

def do_not_stop_on_warnings
  @result.stop_on_warnings = false
end

#each_changed_file(filetypes = [:all]) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 103

def each_changed_file(filetypes = [:all])
  filetypes = Array(filetypes)
  if @result.continue?
    debug("Can continue")
    changed_files(filetypes).each do |file|
      yield file
    end
  else
    debug("Cannot continue")
  end
end

#file_matches_filetypes?(file, filetypes) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/git-hooks-helper/hook.rb', line 120

def file_matches_filetypes?(file, filetypes)
  filetypes.any? do |type|
    file =~ FILETYPES[type] || type == :all
  end
end

#flog_methods(threshold = 20) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 194

def flog_methods(threshold = 20)
  files = changed_files(:rb).join(' ')
  if files != ''
    Open3.popen3("flog -m #{files}") do |stdin, stdout, stderr|
      punishment = stdout.read.split("\n")[3..-1]
      punishment.each do |line|
        line   = line.split(" ")
        score  = line[0].to_f
        method = line[1].strip
        path   = line[2].strip
        if score >= threshold
          @result.warn("Flog for #{method} in #{path} returned #{score}")
        else
          break
        end
      end
    end
  end
end

#info(text) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 229

def info(text)
  puts(text.green)
end

#list_files(filetypes = [:all]) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 95

def list_files(filetypes = [:all])
  puts "--- Listing files of type: #{filetypes}"
  each_changed_file(filetypes) do |file|
    puts file
  end
  puts "--- End of list"
end

#never_stop ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 91

def never_stop
  @result.never_stop = true
end

#notice(text) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 233

def notice(text)
  puts(text.yellow)
end

#start_debug ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 75

def start_debug
  @debug = true
end

#stop_debug ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 79

def stop_debug
  @debug = false
end

#stop_on_warnings ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 83

def stop_on_warnings
  @result.stop_on_warnings = true
end

#warn(text) ⇒ Object 



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# File 'lib/git-hooks-helper/hook.rb', line 237

def warn(text)
  puts(text.red)
end

#warning_on(*args) ⇒ Object

Maybe need options for different file types :rb :erb :js



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# File 'lib/git-hooks-helper/hook.rb', line 215

def warning_on(*args)
  options = (args[-1].kind_of?(Hash) ? args.pop : {})
  each_changed_file(options[:in] || [:all]) do |file|
    Open3.popen3("fgrep -nH \"#{args.join("\n")}\" #{file}") do |stdin, stdout, stderr|
      err = stdout.read
      err.split("\n").each do |msg|
        args.each do |string|
          @result.warn("#{msg.split(" ").first} contains #{string}") if msg =~ /#{string}/
        end
      end
    end
  end
end