I thought this is a question better directed at the source instead of
ruby-talk :).
Now, I have a script that generates HTML from XML for part of a site.
I use tasks to get the files from the source control repository, copy
them to a directory that mirrors the structure of the actual site and
then I scp the files over.
Now, I'm using the following code to find the files to copy:
#a file task for each target file
def to_target src,target_dir,trim=nil
tgt=File.join(target_dir,src)
tgt=File.join(target_dir,src.sub(trim,"")) if trim
file tgt=>[src] do
mkdir_p(File.dirname(tgt))
cp(src,tgt) unless File.directory?(src)
end
return tgt
end
#lots of file tasks as prerequisites to :copy_generated
def create_list
sitelist=FileList["/publish/generated/**/*"]
sitelist.each{|src|
targeted=to_target(src,PUBLISH,/htdocs\//)
task :copy_generated=>[targeted]
@changed_files<<targeted if
Rake::Task.lookup(targeted).needed?
}
end
task :generate do
#generate lots of files in /publish/generated/
end
task :post_generate=>[:generate] do
create_list
end
task :copy_generated=>[:post_generate]
Now, the problem is that :copy_generated does not cause the file tasks
added as requisites in :post_generate to be executed although the
Task#lookup(..).needed? call returns true and gives me the proper task
name.
This at the moment forces me to generate that part of the site
everytime. The other workaround I have is rewrite the generator to use
Rake filetasks, but that is not done in 10 minutes.
Obviously at the moment :copy_generated is called the prerequisites are
evaluated and when we come back from any other tasks it is assumed that
prerequisites have not changed.
Is this a reasonable feature request (re-evaluating the list of
prerequisites when all prerequisite tasks are done)? Do I miss something?
Cheers,
V.-
--
http://www.braveworld.net/riva
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