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BUILD.md

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The BFG is written in Scala, a modern functional language that runs on the JVM - so it can run anywhere Java can.

Here's a rough set of instructions for building the BFG, if you don't want to use the pre-built downloads:

  • Install Java 6 or above
  • Install sbt
  • git clone git@github.com:rtyley/bfg-repo-cleaner.git
  • cd bfg-repo-cleaner
  • sbt<- start the sbt console
  • bfg/assembly <- download dependencies, run the tests, build the jar

To find the jar once it's built, just look at the last few lines of output from the assembly task - it'll say something like this:

[info] Packaging /Users/roberto/development/bfg-repo-cleaner/bfg/target/bfg-1.11.9-SNAPSHOT-master-21d2115.jar ...
[info] Done packaging.
[success] Total time: 19 s, completed 26-Sep-2014 16:05:11

If you're going to make changes to the Scala code, you may want to use IntelliJ and it's Scala plugin to help with the Scala syntax...!

I personally found Coursera's online Scale course very helpful in learning Scala, YMMV.