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Rake > 0.8.7 has a handy
Rake::Task#locations method that makes it
damn easy to know where a task is defined or enhanced.
During the last LyonRb meetup we read a quite large portion of Rake’s source code. The idea was to find an easy way to determine what file was defining/enhancing what task.
Richard and I just opened Rake 0.8.7’s source code (from our local machine’s RVM directory) and started hacking a bit to have that feature…
Two days after I can tell you that you won’t need to hack anything because it’s actually already implemented in Rake’s master since May 19th 2009 by Jim Weirich.
It wasn’t obvious to us as Rake 0.8.7 has been released on… May 15th 2009!
``` ~ cd /tmp && git clone git://github.com/jimweirich/rake.git && cd rake && rake gem && gem install pkg/rake-0.8.99.5.gem Cloning into rake… remote: Counting objects: 5804, done. remote: Compressing objects: 100% (2489/2489), done. remote: Total 5804 (delta 3387), reused 5519 (delta 3180) Receiving objects: 100% (5804/5804), 1.23 MiB | 613 KiB/s, done. Resolving deltas: 100% (3387/3387), done. RCov is not available ERROR: unknown action ‘gemsets’ Successfully installed rake-0.8.99.5 1 gem installed
/tmp cat » foo.rb « EOF heredoc> desc ‘foo’ heredoc> task :foo do; end heredoc> desc ‘foobar’ heredoc> task :foobar do; end heredoc> EOF
/tmp cat » baz.rb « EOF heredoc> desc ‘baz’ heredoc> task :baz do; end heredoc> task ‘foobaz’ heredoc> task :foobar do; end heredoc> EOF
/tmp cat » Rakefile « EOF heredoc> load ‘foo.rb’ heredoc> load ‘baz.rb’ heredoc> EOF
/tmp rake -T rake baz # baz rake foo # foo rake foobar # foobar
/tmp rake –where
rake baz baz.rb:2:in
rake foo foo.rb:2:in <top (required)>’
rake foobar foo.rb:4:in
rake foobar baz.rb:4:in <top (required)>’