Re: [Module::Build] Document install_base_relpaths

[Randy W. S. <ml...@th...>]

David Wheeler wrote:
> On Mar 4, 2006, at 09:11, Ken Williams wrote:
> 
>> In general, with custom stuff in a distro, you first specify how it  
>> gets mapped to blib/, then how it gets mapped to installation  
>> directories.
> 
> 
> Yes, but I think that a reasonable default would be "copy all of the  
> files from the distribution directory named for the element to the  same 
> named directory under the install base." That's what I'm running  into 
> when, for example, I want to install Mason components. They  don't need 
> to be processed at all, just copied from comp to blib/comp  during 
> ./Build, and from blib/comp to install_base/comp during ./ Build install.
> 
> That's why I was suggesting a separate method, so that it could be  
> independent. But ultimately what's happening for me is that I want to  
> make sure that the contents of the comp directory are installed in  comp 
> relative to the install base, even if it should change during  the build 
> process.
> 
> So I'm thinking something like this:
> 
>   sub add_build_dir {
>       my ($self, $dir) = @_;
>       die "What the?" unless -d $dir;
>       $self->add_build_element($dir);
>       $self->install_base_relpaths->{$elem} ||= [$elem];
>       no strict 'refs';
>       *{ref $self . "::process_$dir\_files"} = sub {
>           my self = shift;
>           my $files = $self->find_files_in_dir($dir);
>           while (my ($file, $dest) = each %$files) {
>               $self->copy_if_modified(
>                   from => $file,
>                   to => File::Spec->catfile($self->blib, $dest)
>               );
>           }
>       };
>   }
> 
> Only perhaps less magical. Do you see what I'm getting at?

Does this work with 0.27x ?

IIUC, the desired behavior is that by saying:

my $build = Module::Build->new(
   ...
   conf_files => { 'conf/myconf' => 'conf/myconf' },
};

$build->add_build_dir('conf');

The 'conf' files will be automatically installed when an 'install_base' 
is supplied? Eg.

   ./Build install --install-base ~

rather than requiring an explicit install-path

   .Build install --install-base ~ --install-path conf=~/conf

But the supplied patches don't do anything because ->install_types() 
still don't know about 'conf' files.

Also, would something similar be done for 'prefix'? Where would the 
default location be? Somewhere like:

   "$prefix/share/$dist_name/$elem"

Or did I miss the intent?

Randy.