CMakeLists.txt

#-----------------------------------------------------------------------------
project(TestGitCmd)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
cmake_minimum_required(VERSION 2.8)
#-----------------------------------------------------------------------------

find_program(git_EXECUTABLE 
    NAMES git.cmd git eg.cmd eg 
    PATHS
     "C:/Program Files/Git/bin"
     "C:/Program Files (x86)/Git/bin"
    DOC "git command line client")

if (NOT git_EXECUTABLE)
  message(FATAL_ERROR "git_EXECUTABLE  not found !")
endif()


set(git_repository "git://github.com/jcfr/Gitakest.git")
set(src_name "Gitakest-source")
set(work_dir ${CMAKE_CURRENT_BINARY_DIR})

set(shell_EXECUTABLE)
if(WIN32)
  get_filename_component(git_EXECUTABLE_EXT ${git_EXECUTABLE} EXT)
  if(git_EXECUTABLE_EXT STREQUAL ".bat" OR git_EXECUTABLE_EXT STREQUAL ".cmd")
    find_program(shell_EXECUTABLE
      NAMES cmd.exe
      DOC "Command shell"
      )
    if (NOT shell_EXECUTABLE)
      message(FATAL_ERROR "shell_EXECUTABLE  not found !")
    endif()
    set(shell_EXECUTABLE "${shell_EXECUTABLE} /c")
  endif()
endif()

execute_process(
  COMMAND ${shell_EXECUTABLE} ${git_EXECUTABLE} clone ${git_repository} ${src_name}
  WORKING_DIRECTORY "${work_dir}"
  RESULT_VARIABLE error_code
  )
if(error_code)
  message(FATAL_ERROR "Failed to clone repository: '${git_repository}'")
endif()