On this page
FindGit
The module defines the following variables:
GIT_EXECUTABLE- Path to Git command-line client.
 Git_FOUND, GIT_FOUND- True if the Git command-line client was found.
 GIT_VERSION_STRING- The version of Git found.
 
Example usage:
find_package(Git)
if(Git_FOUND)
  message("Git found: ${GIT_EXECUTABLE}")
endif()
  © 2000–2019 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
 https://cmake.org/cmake/help/v3.6/module/FindGit.html