feeding leiningen a local JAR file

[Dick Davies]

I've got a couple of projects that need a newer version of a JAR
than is available in Maven.

Is there any support/syntax in project.clj that will allow me to point
at a local JAR file?

Also, is it possible to 'override' a given dependency to favour a local JAR
over the 'official' maven one?

[ specifically, I'm trying to use clj-xmpp which uses the SMACK XMPP
libraries under the hood, and the maven shipped version won't authenticate
against our ejabberd ]

[Jim foo.bar]

On 21/11/12 11:47, Dick Davies wrote:
> Also, is it possible to 'override' a given dependency to favour a local JAR
> over the 'official' maven one?

just install the jar into your local maven repo (~/.m2/) (with
identifiable name) and then pull it from whatever project you want. I
think Leiningen will look first in your .m2 dir and only if it cannot
find the jar it will ask maven, clojars etc etc...am I right?

Jim

[Shantanu Kumar]

On Wednesday, 21 November 2012 17:17:40 UTC+5:30, Dick Davies wrote:

I've got a couple of projects that need a newer version of a JAR
than is available in Maven.

Is there any support/syntax in project.clj that will allow me to point
at a local JAR file?

Also, is it possible to 'override' a given dependency to favour a local JAR
over the 'official' maven one?

Consider lein-localrepo; give the JAR a different version number: https://github.com/kumarshantanu/lein-localrepo

and the usual warning: https://github.com/technomancy/leiningen/wiki/Repeatability

Shantanu

[Dick Davies]

Thanks, that's helpful to know (I was a java dev a long time ago,
before Maven took over
the world), but really I wanted to isolate this hack to a specific
project directory, rather
than globallly.

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[David Williams]

Try here

http://nakkaya.com/2010/03/16/adding-custom-libraries-into-local-leiningen-repository/

[Niels van Klaveren]

Leiningen uses the pomegranate library to manage dependencies and classpath. You can use this library from your project (or even the REPL) to load jars or put extra directories on the classpath, if you don't want to put them in your local repo.

Something like:

(require 'cemerick.pomegranate :as pom)
 (pom/add-classpath "/path/to/lib/dir/")

should do the trick.

[Jay Fields]

David Chelimsky recently released: https://github.com/dchelimsky/lein-expand-resource-paths

[Plínio Balduino]

I'm using the localrepo plugin.

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[Korny Sietsma]

That looks very helpful, thanks.  I've been bitten by this hard in the past - I wanted to play with a few different Processing jars in Quil, none of which had Maven versions; and even using lein-localrepo, it was excessively complex to add these jars to my local maven repo just so I could play with them.

- Korny

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Kornelis Sietsma  korny at my surname dot com http://korny.info

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