git diff of files that have been staged ie 'git add'ed git diff --cached
git diff --cached
http://www.commandlinefu.com/commands/view/1242/git-diff-of-files-that-have-been-staged-ie-git-added
$ git commit ... $ git reset --soft HEAD^ (1) $ edit (2)
And just commit again.
goal of JGit/EGit "to provide an Eclipse plugin for working with software using the Git SCM."