This post originated from an RSS feed registered with Ruby Buzz by Jonathan Weiss. Original Post: Creating FreeBSD ports for ruby gems Feed Title: BlogFish Feed URL: http://blog.innerewut.de/feed/atom.xml Feed Description: Weblog by Jonathan Weiss about Unix, BSD, security, Programming in Ruby, Ruby on Rails and Agile Development. Latest Ruby Buzz Posts Latest Ruby Buzz Posts by Jonathan Weiss Latest Posts From BlogFish

Creating FreeBSD ports for ruby gems involves creating a pkg-plist that lists all files and directories for a given port. This kind of sucks for gems that have a lot of rdoc documentation (like ActiveSupport). There are a couple of automatic solutions like pkg_trackinst but none is perfect.

While updating the ports for Rails 1.2.1 I had enough and created a small Ruby script to help with the generation of pkg-plists. Updating a Rubygem port now looks like this:

# cd /usr/ports/devel/rubygem-activesupport
# vim Makefile
(update PORTVERSION)
# make makesum

At first update the port version and create the new checksum. Now install the new version (without updating the pkg-plist, so will will get a lot of errors during deinstall).

# make install

Now run the script to generate the new pkg-plist out of the installed gem:

# /tmp/gen_plist.rb activesupport-1.4.0 > pkg-plist

The script assembles a pkg-plist of of all files and directories under /gems and /doc. Any other files like the rails executable for the Rails gem must be added by hand as they will not be installed under /usr/local/lib/ruby/gems/1.8/.

What's left to do now is to cleanup manually the installation and test the pkg-plist through creating a package and deinstalling the port.

The small script looks like this:

#! /usr/bin/env ruby  

package_name = ARGV[0]

raise ArgumentError if (package_name.nil? || package_name == '')

prefix = "/usr/local"
gem_lib_dir = "#{prefix}/lib/ruby/gems/1.8/gems/#{package_name}"
gem_doc_dir = "#{prefix}/lib/ruby/gems/1.8/doc/#{package_name}"

pkg_plist = ["%%GEM_CACHE%%", "%%GEM_SPEC%%"]

# add lib
lib_files = `find #{gem_lib_dir} -type f`.split("\n")
lib_dirs = `find #{gem_lib_dir} -type d`.split("\n").reverse
lib_dirs = lib_dirs.collect{|d| "@dirrm #{d}"}

# add doc
doc_files = `find #{gem_doc_dir} -type f`.split("\n")
doc_dirs = `find #{gem_doc_dir} -type d`.split("\n").reverse
doc_dirs = doc_dirs.collect{|d| "@dirrm #{d}"}

# assemble
pkg_plist += lib_files + doc_files + lib_dirs + doc_dirs

# change PLIST_SUBs
pkg_plist.each do |line|
  line.gsub!(gem_doc_dir, "%%GEM_DOC_DIR%%")
  line.gsub!(gem_lib_dir, "%%GEM_LIB_DIR%%")
end

# print out pkg-plist
pkg_plist.each do |line|
  puts line
end