| # Try to identify the current development source version. |
| set(CMake_VERSION_SOURCE "") |
| if(EXISTS ${CMake_SOURCE_DIR}/.git/HEAD) |
| find_program(GIT_EXECUTABLE NAMES git git.cmd) |
| mark_as_advanced(GIT_EXECUTABLE) |
| if(GIT_EXECUTABLE) |
| execute_process( |
| COMMAND ${GIT_EXECUTABLE} rev-parse --verify -q --short=4 HEAD |
| OUTPUT_VARIABLE head |
| OUTPUT_STRIP_TRAILING_WHITESPACE |
| WORKING_DIRECTORY ${CMake_SOURCE_DIR} |
| ) |
| if(head) |
| set(CMake_VERSION_SOURCE "g${head}") |
| execute_process( |
| COMMAND ${GIT_EXECUTABLE} update-index -q --refresh |
| WORKING_DIRECTORY ${CMake_SOURCE_DIR} |
| ) |
| execute_process( |
| COMMAND ${GIT_EXECUTABLE} diff-index --name-only HEAD -- |
| OUTPUT_VARIABLE dirty |
| OUTPUT_STRIP_TRAILING_WHITESPACE |
| WORKING_DIRECTORY ${CMake_SOURCE_DIR} |
| ) |
| if(dirty) |
| set(CMake_VERSION_IS_DIRTY 1) |
| endif() |
| endif() |
| endif() |
| endif() |