recipe[emacs::source24] to install Emacs 24 from Git source

source24.rb

# 
# Author:: Joshua Timberman <opensource@housepub.org>
# Copyright:: Copyright (c) 2012, Joshua Timberman
# License:: Apache License, Version 2.0
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#    http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 

if platform?("ubuntu","debian","linuxmint")
  srcdir = "#{Chef::Config[:file_cache_path]}/emacs-source"

  %w{ git-core build-essential texinfo autoconf libncurses-dev }.each {|prereq| package prereq}

  git "#{Chef::Config[:file_cache_path]}/emacs-source" do
    repository "git://git.savannah.gnu.org/emacs.git"
    action :checkout
  end

  bash "build emacs24" do
    cwd srcdir
    creates "#{srcdir}/src/emacs"
    code <<-EOH
      ./autogen.sh && \
      ./configure --without-x && \
      make bootstrap && \
      make 2>&1 >| make-#{node.name}-#{node['ohai_time']}
    EOH
  end

  execute "install emacs24" do
    cwd srcdir
    command "make install 2>&1 >| make-#{node.name}-#{node['ohai_time']}"
    creates "/usr/local/bin/emacs"
    only_if "#{srcdir}/src/emacs --version"
  end
else
  Chef::Log.warn("#{cookbook_name}::#{recipe_name} is not supported on #{node['platform']}")
end