rake and rdoc help needed - target seems to be generated twice

[Kelly Felkins]

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Hello,

I set up some rake tasks to generate documentation for my rails app. I
started with the doc:app task from rails and the rdoctask in rake
definitions. I'm learning rake so please go easy on me. ;-) Here is what I
came up with:

desc "Generate API Documentation"
SRC =3D
FileList['doc/README_FOR_APP','doc/REQUIREMENTS','doc/DESIGN','app/**/*.rb'=
]
file "doc/app/index.html" =3D> SRC do
rm Dir.glob('doc/app/**/*.html')
require 'rdoc/rdoc'
options =3D []
options << "-o" << 'doc/app'
options << "--title" << "Goals System"
RDoc::RDoc.new.document( options+SRC )
end

task :gendocs =3D> "doc/app/index.html"

desc "Clobber API Documentation"
task :clobberdocs do
rm Dir.glob('doc/app/**/*.html')
end


When I do

rake --trace gendocs

It appears the documentation is generated, then deleted, then generated
again.

???

That's my question -- why does it generate, delete, and then generate it
again.


Additional background:

I'm trying to address 2 problems:

1. I want to include doc/REQUIREMENTS, and doc/DESIGN in my rdoc run.
2. We have a policy here of saving generated documentation in cvs. The
rdoctask that comes with rake does a rm_r, deleting everything in the ta=
rget
directory including .CVS files. This makes it difficult to do a commit t=
o
cvs.

Thank you.

-Kelly

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[Jim Weirich]

I set up some rake tasks to generate documentation for my rails app. [...]
When I do

rake --trace gendocs

It appears the documentation is generated, then deleted, then generated
again.

???

That's my question -- why does it generate, delete, and then generate it
again.

I'm getting this:

-------------------------------------------
$ rake gendocs --trace
(in /media/hda5/jim/pgm/ruby/rake/docapi)
** Invoke gendocs (first_time)
** Invoke doc/app/index.html (first_time)
** Invoke doc/README_FOR_APP (first_time, not_needed)
** Invoke doc/REQUIREMENTS (first_time, not_needed)
** Invoke doc/DESIGN (first_time, not_needed)
** Invoke app/code.rb (first_time, not_needed)
** Execute doc/app/index.html
rm doc/app/fr_file_index.html doc/app/fr_class_index.html
doc/app/fr_method_index.html doc/app/index.html
doc/app/files/doc/README_FOR_APP.html
doc/app/files/doc/REQUIREMENTS.html doc/app/files/doc/DESIGN.html
doc/app/files/app/code_rb.html doc/app/classes/Code.html

README_FOR_APP:
REQUIREMENTS:
DESIGN:
code.rb: c
Generating HTML...

Files: 4
Classes: 1
Modules: 0
Methods: 0
Elapsed: 0.079s
** Execute gendocs