diff options
Diffstat (limited to 'cmake/gitversion.cmake')
-rw-r--r-- | cmake/gitversion.cmake | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/cmake/gitversion.cmake b/cmake/gitversion.cmake new file mode 100644 index 0000000..5854a7f --- /dev/null +++ b/cmake/gitversion.cmake @@ -0,0 +1,50 @@ +# Get commit hash +execute_process(COMMAND git log --format='%H' -n 1 + OUTPUT_VARIABLE GIT_COMMIT_HASH + ERROR_QUIET) +# Check whether we got any revision (which isn't always the case, e.g. when +# someone downloaded a zip file instead of a checkout) +if ("${GIT_COMMIT_HASH}" STREQUAL "") + set(GIT_BRANCH "N/A") + set(GIT_COMMITS "") + set(GIT_COMMIT_HASH "N/A") + set(GIT_COMMIT_SHORT "N/A") + set(GIT_DIFF "") + set(GIT_TAG "N/A") +else() + execute_process(COMMAND + bash -c "git diff --quiet --exit-code || echo +" + OUTPUT_VARIABLE GIT_DIFF) + execute_process(COMMAND + bash -c "git describe --always --tags |cut -f1 -d'-'" + OUTPUT_VARIABLE GIT_TAG ERROR_QUIET) + execute_process(COMMAND + bash -c "git describe --always --tags |cut -f2 -d'-'" + OUTPUT_VARIABLE GIT_COMMITS ERROR_QUIET) + execute_process(COMMAND + git rev-parse --abbrev-ref HEAD + OUTPUT_VARIABLE GIT_BRANCH) + string(STRIP "${GIT_COMMIT_HASH}" GIT_COMMIT_HASH) + string(SUBSTRING "${GIT_COMMIT_HASH}" 1 7 GIT_COMMIT_SHORT) + string(STRIP "${GIT_BRANCH}" GIT_BRANCH) + string(STRIP "${GIT_COMMITS}" GIT_COMMITS) + string(STRIP "${GIT_DIFF}" GIT_DIFF) + string(STRIP "${GIT_TAG}" GIT_TAG) +endif() + +set(VERSION "const char* GIT_BRANCH=\"${GIT_BRANCH}\"; +const char* GIT_COMMIT=\"${GIT_COMMIT_SHORT}\"; +const char* GIT_COMMITS=\"${GIT_COMMITS}\"; +const char* GIT_TAG=\"${GIT_TAG}\"; +const char* VERSION=\"${GIT_TAG}-r${GIT_COMMITS}-g${GIT_COMMIT_SHORT}${GIT_DIFF}\"; +") + +message(DEBUG "Generated Version: \"${VERSION}\"") +if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/version.h) + file(READ ${CMAKE_CURRENT_SOURCE_DIR}/version.h VERSION_) +else() + set(VERSION_ "") +endif() +if (NOT "${VERSION}" STREQUAL "${VERSION_}") + file(WRITE "${CMAKE_CURRENT_SOURCE_DIR}/version.h" "${VERSION}") +endif() |