[erlang-questions] erlang package manager

[Eric B Merritt]

I am really interested in feedback on Sinan the latest sinan. Let me
know if you run into issues and what those issues might be.

Thanks,
Eric

On Mon, 2011-12-19 at 08:45 -0800, eigenfunction wrote:
> Thank you for the detailed break down. After playing with sinan and
> rebar,
> i tend to like sinan more. Of course, my view might change as i
> become
> more experience with the tool. I have tried to stay away from maven,
> since java build tools usually give me nightmares. But since you use
> rebar
> and package your stuff maven style, i am going to bring maven back
> into the equation since
> i already know how it works.
> 
> 
> On Dec 19, 2:44 am, Tim Watson <watson.timo...@REDACTED> wrote:
> > On 18 December 2011 18:56, eigenfunction <emeka_1...@REDACTED> wrote:
> >
> > > Hi everybody,
> > > I have been doing some erlang programming recently and have always
> > > generated the release manually and never really used neither rebar nor
> > > sinan. It seems like most people in the community have settled for
> > > rebar. Before i spend the next couple of days playing with those
> > > tools, can someone pls give me a quick recap on the differences
> > > between both?
> >
> > In terms of building your code, there isn't much difference really. In
> > terms of package management, there's a big difference. The Erlware tool
> > chain relies on a custom repository that holds binary (i.e., pre-built)
> > artefacts and fetches the right ones for your system (based on OTP/erts
> > version, OS, etc) - this is a good thing IMHO as I like just grabbing a
> > thing once and not having to worry about the build steps, incompatibilities
> > in build config, etc. The down side of the Erlware stack is that it hasn't
> > been heavily adopted, so not that many of the libs/apps you want are
> > available through the package manager. There are ways around this, but it's
> > put me off to date.
> >
> > Now rebar on the other hand, doesn't do *package management* as such. It
> > has a facility for fetching dependencies from the internet using version
> > control tools (git, mercurial, subversion, bazaar) and puts these into a
> > local build folder. All the commands you run at the top level basically
> > recurse into the dependencies folder(s), so running `rebar get-deps
> > compile` will fetch the stuff the build config needs and compile everything.
> >
> > There are other tools out there that do package management of sorts, agner
> > probably being the most heavily adopted, but also there is sutro and epm.
> > Of these, only agner integrates with rebar.
> >
> > There appears to be an effort by the erlware guys to produce another
> > package manager that supports rebar and sinan based builds - they have
> > repos on github and I'm sure will comment on this.
> >
> > There is also meant to be a successor to cean coming out soon, which will
> > probably be quite similar in spirit (support numerous build tools and/or
> > dependency management strategies) but we heard about it on the list some
> > time ago and it hasn't materialised yet - seehttp://erlang.org/pipermail/erlang-questions/2011-June/059195.html. I do
> > hope that the major players will collaborate if only to standardise their
> > configuration handling, as it'd be nice to *write once, install using
> > anything* as it were.
> >
> > I have been considering hacking together an alternative dependency manager
> > for rebar, but I'm waiting to see if cean 2.0 comes out soon and how well
> > it is adopted (or whether it will fetch stuff from alternative locations
> > besides the main artefact repository).
> >
> > Hope that's a useful start - I'm sure lots of others will pipe up about
> > this as it's a popular topic.
> >
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