| # - Returns a version string from Git tags |
| # |
| # This function inspects the annotated git tags for the project and returns a string |
| # into a CMake variable |
| # |
| # get_git_version(<var>) |
| # |
| # - Example |
| # |
| # include(GetGitVersion) |
| # get_git_version(GIT_VERSION) |
| # |
| # Requires CMake 2.8.11+ |
| find_package(Git) |
| |
| if(__get_git_version) |
| return() |
| endif() |
| set(__get_git_version INCLUDED) |
| |
| function(get_git_version var) |
| if(GIT_EXECUTABLE) |
| execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --match "v[0-9]*.[0-9]*.[0-9]*" --abbrev=8 |
| WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} |
| RESULT_VARIABLE status |
| OUTPUT_VARIABLE GIT_DESCRIBE_VERSION |
| ERROR_QUIET) |
| if(status) |
| set(GIT_DESCRIBE_VERSION "v0.0.0") |
| endif() |
| |
| string(STRIP ${GIT_DESCRIBE_VERSION} GIT_DESCRIBE_VERSION) |
| if(GIT_DESCRIBE_VERSION MATCHES v[^-]*-) |
| string(REGEX REPLACE "v([^-]*)-([0-9]+)-.*" "\\1.\\2" GIT_VERSION ${GIT_DESCRIBE_VERSION}) |
| else() |
| string(REGEX REPLACE "v(.*)" "\\1" GIT_VERSION ${GIT_DESCRIBE_VERSION}) |
| endif() |
| |
| # Work out if the repository is dirty |
| execute_process(COMMAND ${GIT_EXECUTABLE} update-index -q --refresh |
| WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} |
| OUTPUT_QUIET |
| ERROR_QUIET) |
| execute_process(COMMAND ${GIT_EXECUTABLE} diff-index --name-only HEAD -- |
| WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} |
| OUTPUT_VARIABLE GIT_DIFF_INDEX |
| ERROR_QUIET) |
| string(COMPARE NOTEQUAL "${GIT_DIFF_INDEX}" "" GIT_DIRTY) |
| if (${GIT_DIRTY}) |
| set(GIT_DESCRIBE_VERSION "${GIT_DESCRIBE_VERSION}-dirty") |
| endif() |
| message(STATUS "git version: ${GIT_DESCRIBE_VERSION} normalized to ${GIT_VERSION}") |
| else() |
| set(GIT_VERSION "0.0.0") |
| endif() |
| |
| set(${var} ${GIT_VERSION} PARENT_SCOPE) |
| endfunction() |
