Contains the released binaries for Ninja and automatically uses the correct one for your platform (Linux, Mac, or Windows).
ninja binary is available after the package is installed:
$ npm install ninja-binaries -g
To update the Ninja binaries in the project, run
./get-binaries.sh VERSION where
VERSION is the version of Ninja you want:
$ ./get-binaries.sh v1.7.2
See the script for details.