add package initially

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/dslkeywords/package.rb b/lib/dslkeywords/package.rb
new file mode 100644
index 0000000..d0bce85
--- /dev/null
+++ b/lib/dslkeywords/package.rb
@@ -0,0 +1,68 @@
+require 'erb'
+require 'fileutils'
+
+require_relative 'resource'
+
+module RCM
+  # Managing packages
+  class Package < Resource
+    attr_reader :path
+
+    def initialize(name)
+      super(name)
+      @name = name
+    end
+
+    def evaluate!
+      # return unless super
+      return evaluate_ensure_line! unless @ensure_line.nil?
+
+      write_content!(real_content)
+    end
+
+    private
+
+    def evaluate_ensure_line!
+      return write_content!(@ensure_line) unless ::Package.file?(@name)
+      return if ::Package.readlines(@name, chomp: true).include?(@ensure_line)
+
+      ::Package.open(@name, 'a') do |fd|
+        fd.puts(@ensure_line)
+      end
+    end
+
+    def write_content!(text)
+      create_parent_directory!
+      debug text if option :debug
+      info "Creating file #{@name}"
+      tmp_path = "#{@name}.tmp"
+      ::Package.write(tmp_path, text)
+      ::Package.rename(tmp_path, @name)
+    end
+
+    def create_parent_directory!
+      dirname = ::Package.dirname(@name)
+      return unless !::Package.directory?(dirname) && @create_parent
+
+      info "Creating parent directory #{dirname}"
+      PackageUtils.mkdir_p(dirname)
+    end
+
+    def real_content
+      text = @from_sourcefile ? ::Package.read(@content) : @content
+      @from_template ? ERB.new(text).result : text
+    end
+  end
+
+  # Add file keyword to the DSL
+  class DSL
+    def file(name, &block)
+      return unless @conds_met
+
+      f = Package.new(name)
+      f.content(f.instance_eval(&block))
+      self << f
+      f
+    end
+  end
+end