git init
git add *
git commit -m "my new files yay!"
git remote add s3 amazon-s3://.jgit_s3_public@test-git-repo/tesing/s3-git
jgit push s3 refs/heads/master

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
 SLF4J: Defaulting to no-operation (NOP) logger implementation
 SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further     details.
  java.lang.IllegalStateException: Cannot set value to a final field     'org.eclipse.jgit.pgm.Push.refSpecs'.
at org.kohsuke.args4j.spi.Setters.create(Setters.java:32)
at org.kohsuke.args4j.ClassParser.parse(ClassParser.java:38)
at org.kohsuke.args4j.CmdLineParser.<init>(CmdLineParser.java:96)
at org.kohsuke.args4j.CmdLineParser.<init>(CmdLineParser.java:71)
at org.eclipse.jgit.pgm.opt.CmdLineParser.<init>(CmdLineParser.java:119)
at org.eclipse.jgit.pgm.opt.CmdLineParser.<init>(CmdLineParser.java:102)
at org.eclipse.jgit.pgm.TextBuiltin.parseArguments(TextBuiltin.java:224)
at org.eclipse.jgit.pgm.TextBuiltin.execute(TextBuiltin.java:208)
at org.eclipse.jgit.pgm.Main.execute(Main.java:223)
at org.eclipse.jgit.pgm.Main.run(Main.java:124)
at org.eclipse.jgit.pgm.Main.main(Main.java:98)

jgit config