fatal: Not a git repository:

jalal@klein:~/computer_vision/py-faster-rcnn$ git status
On branch master

Initial commit

Untracked files:
  (use "git add <file>..." to include in what will be committed)

	LICENSE
	README.md
	caffe-fast-rcnn/
	data/
	experiments/
	lib/
	models/
	test
	tools/

nothing added to commit but untracked files present (use "git add" to track)
jalal@klein:~/computer_vision/py-faster-rcnn$ git add LICENSE
jalal@klein:~/computer_vision/py-faster-rcnn$ git add README.md
jalal@klein:~/computer_vision/py-faster-rcnn$ git add caffe-fast-rcnn/
fatal: Not a git repository: caffe-fast-rcnn/../.git/modules/caffe-fast-rcnn
jalal@klein:~/computer_vision/py-faster-rcnn$ git add experiments/
jalal@klein:~/computer_vision/py-faster-rcnn$ git add lib
jalal@klein:~/computer_vision/py-faster-rcnn$ git add models/
jalal@klein:~/computer_vision/py-faster-rcnn$ git add test
jalal@klein:~/computer_vision/py-faster-rcnn$ git add tools
jalal@klein:~/computer_vision/py-faster-rcnn$ git add caffe-fast-rcnn/
fatal: Not a git repository: caffe-fast-rcnn/../.git/modules/caffe-fast-rcnn