auto require

5 files changed, 141 insertions, 0 deletions

diff --git a/lib/autorequire/config.rb b/lib/autorequire/config.rb
new file mode 100644
index 0000000..b9dc5ac
--- /dev/null
+++ b/lib/autorequire/config.rb
@@ -0,0 +1,18 @@
+require 'toml'
+
+module RCM
+  # Configuration
+  module Config
+    @@config = File.exist?('config.toml') ? TOML.load_file('config.toml') : {}
+
+    def config(key)
+      raise "No such config key: #{key}" unless @@config.key?(key)
+
+      @@config[key]
+    end
+
+    def dump_config
+      p @@config
+    end
+  end
+end
diff --git a/lib/autorequire/file.rb b/lib/autorequire/file.rb
new file mode 100644
index 0000000..2a25a07
--- /dev/null
+++ b/lib/autorequire/file.rb
@@ -0,0 +1,33 @@
+module RCM
+  # Managing files
+  class File
+    attr_reader :path
+
+    def initialize(path)
+      @path = path
+    end
+
+    def content(content = nil)
+      content.nil? ? @content : @content = content
+    end
+
+    def to_s
+      @path
+    end
+
+    def do!
+      puts "Evaluating #{self.class}:#{self}"
+    end
+  end
+
+  # Add file keyword to the DSL
+  class RCM
+    def file(path, &block)
+      return unless @conds_met
+
+      f = File.new(path)
+      f.instance_eval(&block)
+      self << f
+    end
+  end
+end
diff --git a/lib/autorequire/only_when.rb b/lib/autorequire/only_when.rb
new file mode 100644
index 0000000..2700bee
--- /dev/null
+++ b/lib/autorequire/only_when.rb
@@ -0,0 +1,37 @@
+module RCM
+  # OnlyWhen (e.g. run on host foo)
+  class OnlyWhen
+    require 'socket'
+
+    def initialize
+      @conds = {}
+    end
+
+    def is(arg)
+      arg
+    end
+
+    def method_missing(method_name, *args, &block)
+      @conds[method_name] = args.first
+    end
+
+    def respond_to_missing?
+      true
+    end
+
+    def met?
+      return false if @conds.key?(:hostname) && Socket.gethostname != @conds[:hostname].to_s
+
+      true
+    end
+  end
+
+  # Add 'only_when' to DSL
+  class RCM
+    def only_when(&block)
+      conds = OnlyWhen.new
+      conds.instance_eval(&block)
+      @conds_met = conds.met?
+    end
+  end
+end
diff --git a/lib/autorequire/options.rb b/lib/autorequire/options.rb
new file mode 100644
index 0000000..de54888
--- /dev/null
+++ b/lib/autorequire/options.rb
@@ -0,0 +1,23 @@
+require 'optparse'
+
+module RCM
+  # Command line options
+  module Options
+    @@options = {
+      verbose: false
+    }
+
+    after_double_dash = ARGV.slice_before('--').to_a.last.drop(1)
+
+    OptionParser.new do |opts|
+      opts.banner = 'Usage: rake [task] -- [options]'
+      opts.on('-v', '--[no-]verbose', 'run verbosely') { |v| @@options[:verbose] = v }
+    end.parse!(after_double_dash)
+
+    def option(key)
+      raise "No such option: #{key}" unless @@options.key?(key)
+
+      @@options[key]
+    end
+  end
+end
diff --git a/lib/rcm.rb b/lib/rcm.rb
new file mode 100644
index 0000000..0c3d028
--- /dev/null
+++ b/lib/rcm.rb
@@ -0,0 +1,30 @@
+Dir["#{Dir.pwd}/lib/autorequire/*.rb"].each { |m| require m }
+
+# Ruby Configiration Management system
+module RCM
+
+  # Here all starts
+  class RCM
+    include Config
+    include Options
+
+    def initialize
+      @objs = []
+      @conds_met = true
+    end
+
+    def do!
+      @objs.each(&:do!)
+    end
+
+    def <<(obj)
+      @objs << obj
+    end
+  end
+end
+
+def make_it_so(&block)
+  rcm = RCM::RCM.new
+  rcm.instance_eval(&block)
+  rcm.do!
+end