The DUB package manager

[Jacob Carlborg]

On 2013-02-16 21:02, Johannes Pfau wrote:

> Having a common standard build tool is always good. But some kind of
> projects require custom build scripts (calling swig, generating
> interface files for ipc stuff, executing the C compiler to check if a
> function is available to disable / enable additional features, calling
> pkgconfig for some reason, compiling additional c/c++ files, assembling
> additional files, ...).
>
>
> I think splitting DUB into a package manger and build tool would be a
> good idea. Ship them as one package, so that everyone using the package
> manager also has the build tool installed. And integrate them as much
> as possible, the default setup can still work exactly the same as if
> they were integrated.
>
> The benefit of splitting them in this way: You're forced to provide
> interfaces for the build tool to communicate with the package manager
> and every other build tool can use those interfaces as well. This way
> there are no second class build systems.
>
> As an example:
>
> package.json
> {
> 	"name": "myproject",
> 	"description": "A little web service of mine.",
> 	"authors": ["Peter Parker"],
> 	"homepage": "http://myproject.com",
> 	"license": "GPL v2",
> 	"dependencies": {
> 		"vibe-d": ">=0.7.11"
> 	},
>          "build": "DUB"
> }
>
> build.json
> {
> 	"configurations": {
> 		"metro-app": {
> 			"versions": ["MetroApp"],
> 			"libs": ["d3d11"]
> 		},
> 		"desktop-app": {
> 			"versions": ["DesktopApp"],
> 			"libs": ["d3d9"]
> 		}
> 	}
> }
>
> doing a "dub-pkg install myproject" should fetch the sources, then call
> "dub-build build.json". dub-build will have to ask the package manager
> for some information: "dub-pkg package.json --query dependencies",
> "dub-pkg package.json --query --package=vibe.d --link-path". Or it
> might require some additional actions: "dup-pkg --install-dependency
> d3d9"
>

Exactly. But I see no reason for communicating with processes. Just make 
them both into libraries and call functions plain functions.

-- 
/Jacob Carlborg