Rake Only Lists Tasks With Descriptions
Rake describes the
-T flag as
Display the tasks (matching optional PATTERN) with descriptions, then exit.
rake -T does just exactly that. It lists all the tasks with
descriptions. Any rake task that you define without a
desc will not be
Consider the following rake task definitions
desc 'foobar does this and that' task :foobar do puts 'this and that' end task :foobaz do puts 'not so much' end
This is what I get when listing the rake tasks filtered by foo
$ rake -T foo rake foobar # foobar does this and that
foobar task (which has a description) is listed, but
foobaz is not.
A hack of sorts to get around this is to use the
-P flag which will end up
listing all tasks even if they do not have a description (
rake -P | grep 'foo').