Class: Gjp::ScriptGenerator

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/gjp/script_generator.rb

Overview

generates build scripts from bash_history

Instance Method Summary collapse

Methods included from Logging

#log

Constructor Details

#initialize(project, history_path) ⇒ ScriptGenerator 



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# File 'lib/gjp/script_generator.rb', line 8

def initialize(project, history_path)
  @project = project
  @ant_runner = Gjp::AntRunner.new(project)
  @maven_runner = Gjp::MavenRunner.new(project)
  @history_path = history_path
end

Instance Method Details

#generate_build_script(name) ⇒ Object 



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# File 'lib/gjp/script_generator.rb', line 15

def generate_build_script(name)
  @project.from_directory do
    history_lines = File.readlines(@history_path).map { |e| e.strip }
    relevant_lines =
      history_lines
        .reverse
        .take_while { |e| e.match(/gjp +dry-run/).nil? }
        .reverse
        .take_while { |e| e.match(/gjp +finish/).nil? }
        .select { |e| e.match(/^#/).nil? }

    script_lines = [
      "#!/bin/bash",
      "PROJECT_PREFIX=`readlink -e .`",
      "cd #{@project.latest_dry_run_directory}"
    ] +
    relevant_lines.map do |line|
      if line =~ /gjp +mvn/
        line.gsub(/gjp +mvn/, "#{@maven_runner.get_maven_commandline("$PROJECT_PREFIX", ["-o"])}")
      elsif line =~ /gjp +ant/
        line.gsub(/gjp +ant/, "#{@ant_runner.get_ant_commandline("$PROJECT_PREFIX")}")
      else
        line
      end
    end

    new_content = script_lines.join("\n") + "\n"

    script_name = "build.sh"
    result_path = File.join("src", name, script_name)
    conflict_count = @project.merge_new_content(new_content, result_path, "Build script generated",
                                                "generate_#{name}_build_script")

    destination_dir = File.join("output", name)
    FileUtils.mkdir_p(destination_dir)
    destination_script_path =  File.join(destination_dir, script_name)
    FileUtils.symlink(File.expand_path(result_path), destination_script_path, force: true)

    [result_path, conflict_count]
  end
end