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rebar is deprecated and will receive only bug fixes. We encourage you to move to rebar3.


rebar is an Erlang build tool that makes it easy to compile and test Erlang applications, port drivers and releases.

Build Status Build status

rebar is a self-contained Erlang script, so it's easy to distribute or even embed directly in a project. Where possible, rebar uses standard Erlang/OTP conventions for project structures, thus minimizing the amount of build configuration work. rebar also provides dependency management, enabling application writers to easily re-use common libraries from a variety of locations (git, hg, etc).


Information on building and installing Erlang/OTP can be found here (more info).


To build rebar you will need a working installation of Erlang R13B03 (or later).

Should you want to clone the rebar repository, you will also require git.


You can download a pre-built binary version of rebar from:

Building rebar

$ git clone git://
$ cd rebar
$ ./bootstrap
Recompile: src/getopt
Recompile: src/rebar_utils
==> rebar (compile)
Congratulations! You now have a self-contained script called "rebar" in
your current working directory. Place this script anywhere in your path
and you can use rebar to build OTP-compliant apps.

Contributing to rebar

Please refer to CONTRIBUTING.

Community and Resources

In case of problems that cannot be solved through documentation or examples, you may want to try to contact members of the community for help. The community is also where you want to go for questions about how to extend rebar, fill in bug reports, and so on.

The main place to go for questions is the rebar mailing list. If you need quick feedback, you can try the #rebar channel on Be sure to check the wiki first, just to be sure you're not asking about things with well known answers.

For bug reports, roadmaps, and issues, visit the github issues page.

General rebar community resources and links: