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| author | Jan Holthuis <jan.holthuis@ruhr-uni-bochum.de> | 2021-05-07 13:15:26 +0200 |
|---|---|---|
| committer | Jan Holthuis <jan.holthuis@ruhr-uni-bochum.de> | 2021-05-07 18:15:51 +0200 |
| commit | a01f34ec7928e8526d7f42f324e529c2de43fbf4 (patch) | |
| tree | 5f25f9cedc1fbb5781504d544a6f6cbcb16c5d3a /cmake | |
| parent | 0eb2b0e22bf3ba5ec676e6f38330d7b4fc0168c5 (diff) | |
CMake: Fetch latest Git information on build without reconfig
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/modules/GitInfo.cmake | 65 | ||||
| -rw-r--r-- | cmake/scripts/gitinfo.cmake | 3 |
2 files changed, 68 insertions, 0 deletions
diff --git a/cmake/modules/GitInfo.cmake b/cmake/modules/GitInfo.cmake new file mode 100644 index 0000000000..ae74f9eb1d --- /dev/null +++ b/cmake/modules/GitInfo.cmake @@ -0,0 +1,65 @@ +# Get the current commit ref +execute_process( + COMMAND git describe --tags --always --dirty=-modified + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + OUTPUT_VARIABLE GIT_DESCRIBE + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) +if(NOT GIT_DESCRIBE) + message(NOTICE "Git describe: unknown") +else() + message(NOTICE "Git describe: ${GIT_DESCRIBE}") + string(REGEX MATCH "-modified$" GIT_DIRTY "${GIT_DESCRIBE}") + if (GIT_DIRTY) + message("Git worktree modified: yes") + set(GIT_DIRTY 1) + else() + message(NOTICE "Git worktree modified: no") + set(GIT_DIRTY 0) + endif() +endif() + +# Get the current working branch +execute_process( + COMMAND git rev-parse --abbrev-ref HEAD + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + OUTPUT_VARIABLE GIT_BRANCH + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) +if(NOT GIT_BRANCH) + message(NOTICE "Git branch: unknown") +else() + message(NOTICE "Git branch: ${GIT_BRANCH}") +endif() + +# Get the current commit date +execute_process( + COMMAND git show --quiet --format=%cI --date=short + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + OUTPUT_VARIABLE GIT_COMMIT_DATE + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) +if(NOT GIT_COMMIT_DATE) + message(NOTICE "Git commit date: unknown") +else() + message(NOTICE "Git commit date: ${GIT_COMMIT_DATE}") + string(REGEX MATCH "^[0-9][0-9][0-9][0-9]" GIT_COMMIT_YEAR "${GIT_COMMIT_DATE}") + message(NOTICE "Git commit year: ${GIT_COMMIT_YEAR}") +endif() + +# Get the number of commits on the working branch +execute_process( + COMMAND git rev-list --count --first-parent HEAD + WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" + OUTPUT_VARIABLE GIT_COMMIT_COUNT + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) +if(NOT GIT_COMMIT_COUNT) + message(NOTICE "Git commit count: unknown") +else() + message(NOTICE "Git commit count: ${GIT_COMMIT_COUNT}") +endif() diff --git a/cmake/scripts/gitinfo.cmake b/cmake/scripts/gitinfo.cmake new file mode 100644 index 0000000000..7ff8a599e0 --- /dev/null +++ b/cmake/scripts/gitinfo.cmake @@ -0,0 +1,3 @@ +list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules") +include(GitInfo) +configure_file("${INPUT_FILE}" "${OUTPUT_FILE}" @ONLY) |