1 files changed, 17 insertions, 7 deletions
diff --git a/Library/Formula/sbt.rb b/Library/Formula/sbt.rb
index be02e9ea2..b441eefdd 100644
--- a/Library/Formula/sbt.rb
+++ b/Library/Formula/sbt.rb
@@ -7,14 +7,24 @@ class Sbt <Formula
   md5 '8903fb141037056a497925f3efdb9edf'
 
   def install
-    (bin+'sbt').write <<-EOS
-#!/bin/sh
-if test -f ~/.sbtconfig; then
-  . ~/.sbtconfig
-fi
-exec java -Xmx512M ${SBT_OPTS} -jar #{libexec}/#{JAR} "$@"
-EOS
+    (bin+'sbt').write <<-EOS.undent
+      #!/bin/sh
+      if test -f ~/.sbtconfig; then
+        . ~/.sbtconfig
+      fi
+      exec java -Xmx512M ${SBT_OPTS} -jar #{libexec}/#{JAR} "$@"
+    EOS
 
     libexec.install Dir['*']
   end
+
+  def caveats
+    <<-EOS.undent
+      You can use $SBT_OPTS to pass additional JVM options to SBT.
+      For convenience, this can specified in `~/.sbtconfig`.
+
+      For example:
+          SBT_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256M"
+    EOS
+  end
 end