diff options
Diffstat (limited to 'pkgs/development/interpreters/ruby/bundler-env/gen-bin-stubs.rb')
-rw-r--r-- | pkgs/development/interpreters/ruby/bundler-env/gen-bin-stubs.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/ruby/bundler-env/gen-bin-stubs.rb b/pkgs/development/interpreters/ruby/bundler-env/gen-bin-stubs.rb new file mode 100644 index 000000000000..fac9c9ad9446 --- /dev/null +++ b/pkgs/development/interpreters/ruby/bundler-env/gen-bin-stubs.rb @@ -0,0 +1,46 @@ +require 'rbconfig' +require 'rubygems' +require 'rubygems/specification' +require 'fileutils' + +# args/settings +out = ENV["out"] +ruby = ARGV[0] +gemfile = ARGV[1] +bundle_path = ARGV[2] +bundler_gem_path = ARGV[3] +paths = ARGV[4].split + +# generate binstubs +FileUtils.mkdir_p("#{out}/bin") +paths.each do |path| + next unless File.directory?("#{path}/nix-support/gem-meta") + + name = File.read("#{path}/nix-support/gem-meta/name") + executables = File.read("#{path}/nix-support/gem-meta/executables").split + executables.each do |exe| + File.open("#{out}/bin/#{exe}", "w") do |f| + f.write(<<-EOF) +#!#{ruby} +# +# This file was generated by Nix. +# +# The application '#{exe}' is installed as part of a gem, and +# this file is here to facilitate running it. +# + +ENV["BUNDLE_GEMFILE"] = "#{gemfile}" +ENV["BUNDLE_PATH"] = "#{bundle_path}" + +gem_path = ENV["GEM_PATH"] +ENV["GEM_PATH"] = "\#{gem_path}\#{":" unless gem_path.nil? || gem_path.empty?}#{bundler_gem_path}" + +require 'rubygems' +require 'bundler/setup' + +load Gem.bin_path(#{name.inspect}, #{exe.inspect}) +EOF + FileUtils.chmod("+x", "#{out}/bin/#{exe}") + end + end +end |