diff options
| -rw-r--r-- | TODO.md | 2 | ||||
| -rw-r--r-- | lib/dslkeywords/package.rb | 68 |
2 files changed, 69 insertions, 1 deletions
@@ -1,7 +1,7 @@ # TODO -* Recursively install a directory * Backup of files when changed +* Recursively install a directory * Support for file deletion * Support for file modes (owner, chmod) * Support for symlinks 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 |