design/assistant/progressbarsgit-annexhttp://git-annex.branchable.com/design/assistant/progressbars/git-annexikiwiki2013-11-27T22:47:37Zlibrsynchttp://git-annex.branchable.com/design/assistant/progressbars/comment_1_3ea263b1f334e8e38e14f00a96202988/abhidg [myopenid.com]2013-11-27T22:47:37Z2012-06-13T02:14:29Z
There's librsync which might support reporting the progress through its API, but it seems to be in beta.