[erlang-questions] Erlang package managers?

[Steve Davis]

Hi Olav,

I guess I'm being dense about this (if so, accept my apology and educate my 
ignorance), but if your (versioned) app file was allowed to specify (where 
needed) a version of a dependent app - then what is the distinction that 
remains? 

best,
/s

On Thursday, May 30, 2013 9:41:26 AM UTC-5, Olav Frengstad wrote:
>
> Hey Steve, 
>
> You are touching on something different than "how to maintain my 
> dependencies". As i see it there are 2 cases where you need to select 
> correct dependencies: when you run the app and when you run tests. 
>
> For the first one can easily be solved if you generate a release for 
> every run, you will then specify the version to include in reltool (i 
> use relx from erlware which has a nice way to specify dependency 
> versions). Otherwise your are stuck with same approach as when running 
> tests. 
>
> For the second one it depends on how you invoke your tests, I add 
> everything in lib/* to the codepath and assume there are no conflicts. 
>
> Is there a need for running applications with specific dependency 
> versions? So far i have managed fine by adding everything. 
>
>
> 2013/5/30 Steve Davis <steven.cha...@REDACTED <javascript:>>: 
> > I'm a bit bemused about the whole "deps" thing and am likely being naive 
> > about this issue. 
> > 
> > However, it seems to me that ERL_LIBS works pretty good for me... except 
> > where we have "deps" on particular versions. 
> > 
> > I'm throwing it out that if our apps were reliably semantically 
> versioned 
> > (www.semver.org) and that the .app file were updated to recognize 
> versions 
> > in 
> > {application, _, {applications, [...]}} 
> > 
> > ...where atom was "latest" and {atom, version} were some .ez or other 
> > ERL_LIBS folder... 
> > 
> > ...would that not solve a whole raft of the issues here? 
> > 
> > Interested in the responses :) 
> > 
> > /s 
> > 
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>
>
>
> -- 
> Med Vennlig Hilsen 
> Olav Frengstad 
>
> Systemutvikler // FWT 
> +47 920 42 090 
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