I want to use a fork of one of my dub dependencies so I can make sure that it works before I merge the fork into upstream.

http://code.dlang.org/advanced_usage
says

    Path-based dependencies
    Package descriptions in the dub.json/dub.sdl can specify a path instead of a version; this can be used with Git submodules or subtrees, or with a known directory layout, to use arbitrarily defined versions of a dependency. Note that this should only be used for non-public packages.
    Path-based selections
    You can specify arbitrary versions, branches, and paths in the dub.selections.json file, even if they contradict the dependency specification of the packages involved (note that DUB will output a warning in that case).

but doesn't give any examples.

my dub.selections.json is currently:

{
	"fileVersion": 1,
	"versions": {
		"derelict-cl": "2.0.0",
		"derelict-cuda": "2.0.1",
		"derelict-util": "2.1.0",
		"taggedalgebraic": "0.10.7"
	}
}

I want derelict-cl to use
C:\Users\me\Documents\GitHub\DerelictCL

How do I do that?

Thanks
Nic

On 23/09/2017 4:13 AM, Nicholas Wilson wrote:
> I want to use a fork of one of my dub dependencies so I can make sure that it works before I merge the fork into upstream.
> 
> http://code.dlang.org/advanced_usage
> says
> 
>      Path-based dependencies
>      Package descriptions in the dub.json/dub.sdl can specify a path instead of a version; this can be used with Git submodules or subtrees, or with a known directory layout, to use arbitrarily defined versions of a dependency. Note that this should only be used for non-public packages.
>      Path-based selections
>      You can specify arbitrary versions, branches, and paths in the dub.selections.json file, even if they contradict the dependency specification of the packages involved (note that DUB will output a warning in that case).
> 
> but doesn't give any examples.
> 
> my dub.selections.json is currently:
> 
> {
>      "fileVersion": 1,
>      "versions": {
>          "derelict-cl": "2.0.0",
>          "derelict-cuda": "2.0.1",
>          "derelict-util": "2.1.0",
>          "taggedalgebraic": "0.10.7"
>      }
> }
> 
> I want derelict-cl to use
> C:\Users\me\Documents\GitHub\DerelictCL
> 
> How do I do that?
> 
> Thanks
> Nic
> 

Alternatively you can alter the package that dub already knows about.
Does the trick more easily ;)

On Saturday, 23 September 2017 at 03:13:15 UTC, Nicholas Wilson wrote:

> my dub.selections.json is currently:
>
> {
> 	"fileVersion": 1,
> 	"versions": {
> 		"derelict-cl": "2.0.0",
> 		"derelict-cuda": "2.0.1",
> 		"derelict-util": "2.1.0",
> 		"taggedalgebraic": "0.10.7"
> 	}
> }
>
> I want derelict-cl to use
> C:\Users\me\Documents\GitHub\DerelictCL
>
> How do I do that?
>

http://code.dlang.org/package-format?lang=json#version-specs

"derelict-cl": { "path": "C:/Users/me/Documents/GitHub/DerelictCL" }

On Saturday, 23 September 2017 at 04:45:47 UTC, Mike Parker wrote:
> On Saturday, 23 September 2017 at 03:13:15 UTC, Nicholas Wilson wrote:
>
>> my dub.selections.json is currently:
>>
>> {
>> 	"fileVersion": 1,
>> 	"versions": {
>> 		"derelict-cl": "2.0.0",
>> 		"derelict-cuda": "2.0.1",
>> 		"derelict-util": "2.1.0",
>> 		"taggedalgebraic": "0.10.7"
>> 	}
>> }
>>
>> I want derelict-cl to use
>> C:\Users\me\Documents\GitHub\DerelictCL
>>
>> How do I do that?
>>
>
> http://code.dlang.org/package-format?lang=json#version-specs
>
> "derelict-cl": { "path": "C:/Users/me/Documents/GitHub/DerelictCL" }

Thanks!

On Saturday, 23 September 2017 at 03:16:30 UTC, rikki cattermole wrote:
>
> Alternatively you can alter the package that dub already knows about.
> Does the trick more easily ;)

+1
That's the dirty trick I'm using too

On 23/09/2017 10:34 AM, Guillaume Piolat wrote:
> On Saturday, 23 September 2017 at 03:16:30 UTC, rikki cattermole wrote:
>>
>> Alternatively you can alter the package that dub already knows about.
>> Does the trick more easily ;)
> 
> +1
> That's the dirty trick I'm using too

You can also do the same for Phobos+druntime when it comes to templated symbols. Of course it won't redownload if you delete the file, so gotta be a bit more careful. But a wonderful way to confirm that your fix actually fixes it before a PR.

On Saturday, 23 September 2017 at 09:37:54 UTC, rikki cattermole wrote:
> On 23/09/2017 10:34 AM, Guillaume Piolat wrote:
>> On Saturday, 23 September 2017 at 03:16:30 UTC, rikki cattermole wrote:
>>>
>>> Alternatively you can alter the package that dub already knows about.
>>> Does the trick more easily ;)
>> 
>> +1
>> That's the dirty trick I'm using too
>
> You can also do the same for Phobos+druntime when it comes to templated symbols. Of course it won't redownload if you delete the file, so gotta be a bit more careful. But a wonderful way to confirm that your fix actually fixes it before a PR.

Heh, I'm used to swapping out Phobos/Druntime from fiddling with the compiler.
But in this case I'm adding functionality so I want to make sure that it a) compiles (I forgot a semicolon and one symbol) and b) works the way I think it does. That's a little trickier when things are spread over more than one repo and dub is involved. Hopefully I should have dcompute kernels running on OpenCL 2.x very soon.