do not use libgit2 by default for adding files
tree3f54515b7fb748b0442b53816226b2412d662ab4
-rw-r--r-- 628 .gitignore
-rw-r--r-- 543 .gitmodules
drwxr-xr-x - Languages
-rw-r--r-- 3425 build.txt
drwxr-xr-x - common
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 145 release.txt
drwxr-xr-x - src
drwxr-xr-x - test