==> git log -n1 <==
commit f01eced9f8a25f78fac3fad0547b828ab47d4c73
Author: Ray Donnelly <mingw.android@gmail.com>
Date:   Mon Mar 19 12:46:19 2018 +0000

    Add ADD_*FLAGS to end of commandlines
    
    .. so they take precedence.
==> git describe --tags --dirty <==
v0.90-5-gf01eced9f
==> git status <==
HEAD detached from 515f5f5c4
Untracked files:
  (use "git add <file>..." to include in what will be committed)
	build_env_setup.sh
	conda_build.sh
	install-libxgboost.sh
	install-py-xgboost.sh
	install-r-xgboost.sh
	metadata_conda_debug.yaml
	test-py-xgboost.py

nothing added to commit but untracked files present (use "git add" to track)
