On Fri, 1 Mar 2013 06:12:11 -0800 (PST)
Robin Green <
gre...@gmail.com> wrote:
> I have some questions about multi-project build in sbt 0.12, that are not
> clear to me from the Getting Started page on multi-projects in the docs:
>
> 1. Is a root project required, or optional?
It is required to have a project in the base directory (file(".")). It does not have to aggregate other projects or anything else.
> 2. Does it work well with revision control in Eclipse? For example, is the
> Mercurial Eclipse plugin able to cope with the fact that the Eclipse
> project root directory for each subproject (i.e. the subproject root
> directory) is not the repository root directory?
I can't comment on Eclipse, but I would guess it can because Maven does things similarly. If you want, though, you can make all projects have the same base directory. You have to change `target` and `sourceDirectory` to avoid collisions.
> 3. Why is there both a project id and a project name?
`name` is a human readable name that forms the basis for many other settings. The project ID is used as a unique ID in several places, such as the command line or in scopes. This has been discussed in some other places, such as:
https://github.com/sbt/sbt/issues/554
> 3a. Is there anything wrong with using the same name for the id and the
> name?
No, but you might want `name` to use capitals and spaces. It is the basis for the title of scaladoc, but you could override that directly instead.
> 4. Which one is used when publishing a project - the id or the name?
You can `inspect` your way to more information (project-id -> module-name -> normalized-name -> name -> project ID), but for most projects, it will be determined by the normalized name (normalized-name). This is the `name` but lower-cased and with spaces removed to be suitable for Maven/Ivy.
-Mark
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