[jira] Reopened: (BUILDR-190) make it easy to exclude java source files from compilation

["Ittay Dror (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BUILDR-190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ittay Dror reopened BUILDR-190:
-------------------------------


actually, sources are resolved in several places:
def from(*sources)
      @sources |= sources.flatten
      guess_compiler if @compiler.nil? && sources.flatten.any? { |source| File.exist?(source) }
      self
end
in the second line sources.flatten resolves the FileList

and since #from is called when 'compile' is called:
def compile(*sources, &block)
      task('compile').from(sources).enhance &block
end

it is very easily resolved. in particular, after_define resolves it.

finally, since @sources is converted to Array in invoke_prerequisites, it is hard to create prerequisite tasks that set sources using  a FileList

(fwiw, i track when FileList is resolved by adding a fail in FileList#resolve and running buildr with a non-existent task)


> make it easy to exclude java source files from compilation
> ----------------------------------------------------------
>
>                 Key: BUILDR-190
>                 URL: https://issues.apache.org/jira/browse/BUILDR-190
>             Project: Buildr
>          Issue Type: Wish
>    Affects Versions: 1.3.2
>            Reporter: Ittay Dror
>             Fix For: 1.3.4
>
>
> I have cases where there are source files that should not be compiled (and yet it is desired to keep them in scm). 
> i can use FileList inside the project definition (assign to compile.sources), but then it means the files are scanned during the definition phase (where afterwards this project's build may not be invoked)
> it would be nice if compile.sources could be a proc (or contain proc) that is evaluated only before compilation

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