Initial commit

cmake/GitVersion.cmake

@@ -0,0 +1,127 @@
+find_package(Git REQUIRED)
+
+if (NOT DEFINED PRE_CONFIGURE_DIR)
+    set(PRE_CONFIGURE_DIR ${PROJECT_SOURCE_DIR}/src/common/utils)
+endif ()
+
+if (NOT DEFINED POST_BUILD_DIR)
+    set(POST_BUILD_DIR ${PROJECT_BINARY_DIR})
+endif ()
+
+set(PRE_CONFIGURE_FILE ${PRE_CONFIGURE_DIR}/VersionInfo.cc.in)
+set(POST_CONFIGURE_FILE ${POST_BUILD_DIR}/src/common/utils/VersionInfo.cc)
+
+function(CheckGitWrite git_hash)
+    file(WRITE ${POST_BUILD_DIR}/git-state.txt ${git_hash})
+endfunction()
+
+function(CheckGitRead git_hash)
+    if (EXISTS ${POST_BUILD_DIR}/git-state.txt)
+        file(STRINGS ${POST_BUILD_DIR}/git-state.txt CONTENT)
+        LIST(GET CONTENT 0 var)
+        set(${git_hash} ${var} PARENT_SCOPE)
+    endif ()
+endfunction()
+
+function(CheckGitVersion)
+    # Get the latest abbreviated commit hash of the working branch
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --short=8 HEAD
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_COMMIT_HASH_SHORT
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_COMMIT_HASH_FULL
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} log -1 --format=%at --date=local
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_TIMESTAMP
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+            COMMAND date -d @${BUILD_TIMESTAMP} +%Y%m%d
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_DATE
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} describe --tags --abbrev=0
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_TAG
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+            COMMAND bash -c "${GIT_EXECUTABLE} describe --tags --long | sed -E 's/(.*)-([0-9]+)-(\\w+)/\\2/g'"
+            WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+            OUTPUT_VARIABLE BUILD_TAG_SEQ_NUM
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if(NOT DEFINED BUILD_TAG OR BUILD_TAG STREQUAL "")
+        set(BUILD_TAG "250228")
+    endif()
+    if(NOT DEFINED BUILD_TAG_SEQ_NUM OR BUILD_TAG_SEQ_NUM STREQUAL "")
+        set(BUILD_TAG_SEQ_NUM "1")
+    endif()
+    message(STATUS "Git Commit hash: ${BUILD_COMMIT_HASH_SHORT} ${BUILD_COMMIT_HASH_FULL}")
+    message(STATUS "Git Commit Date & Timestamp: ${BUILD_DATE} ${BUILD_TIMESTAMP}")
+    message(STATUS "Git Commit Tag & Seq Num: ${BUILD_TAG} ${BUILD_TAG_SEQ_NUM}")
+
+    set(BUILD_VERSION_MAJOR "${PROJECT_VERSION_MAJOR}")
+    set(BUILD_VERSION_MINOR "${PROJECT_VERSION_MINOR}")
+    set(BUILD_VERSION_PATCH "${PROJECT_VERSION_PATCH}")
+    set(BUILD_VERSION "${PROJECT_VERSION}")
+
+    CheckGitRead(GIT_HASH_CACHE)
+
+    if (NOT DEFINED GIT_HASH_CACHE)
+        set(GIT_HASH_CACHE "INVALID")
+    endif ()
+
+    if (NOT DEFINED BUILD_ON_RELEASE_BRANCH)
+      set(BUILD_ON_RELEASE_BRANCH "false")
+    endif ()
+
+    if (NOT DEFINED BUILD_PIPELINE_ID)
+        set(BUILD_PIPELINE_ID "999999")
+    endif()
+
+    # Only update the git_version.cpp if the hash has changed. This will
+    # prevent us from rebuilding the project more than we need to.
+    if (NOT ${BUILD_COMMIT_HASH_FULL} STREQUAL ${GIT_HASH_CACHE} OR NOT EXISTS ${POST_CONFIGURE_FILE})
+        # Set che GIT_HASH_CACHE variable the next build won't have
+        # to regenerate the source file.
+        CheckGitWrite("${BUILD_COMMIT_HASH_FULL}")
+        configure_file(${PRE_CONFIGURE_FILE} ${POST_CONFIGURE_FILE} @ONLY)
+    endif ()
+endfunction()
+
+function(CheckGitSetup project_src_dir)
+    add_custom_target(AlwaysCheckGit COMMAND ${CMAKE_COMMAND}
+        -DRUN_CHECK_GIT_VERSION=1
+        -DPRE_CONFIGURE_DIR=${PRE_CONFIGURE_DIR}
+        -DPOST_BUILD_DIR=${POST_BUILD_DIR}
+        -DGIT_HASH_CACHE=${GIT_HASH_CACHE}
+        -DPROJECT_VERSION_MAJOR=${PROJECT_VERSION_MAJOR}
+        -DPROJECT_VERSION_MINOR=${PROJECT_VERSION_MINOR}
+        -DPROJECT_VERSION_PATCH=${PROJECT_VERSION_PATCH}
+        -DPROJECT_VERSION=${PROJECT_VERSION}
+        -DPROJECT_SOURCE_DIR=${project_src_dir}
+        -P ${PROJECT_SOURCE_DIR}/cmake/GitVersion.cmake
+        DEPENDS ${PRE_CONFIGURE_FILE}
+        BYPRODUCTS ${POST_CONFIGURE_FILE}
+    )
+
+    add_library(version-info STATIC ${POST_CONFIGURE_FILE})
+    target_include_directories(version-info PUBLIC ${PROJECT_SOURCE_DIR}/src)
+    add_dependencies(version-info AlwaysCheckGit)
+    CheckGitVersion()
+endfunction()
+
+if (RUN_CHECK_GIT_VERSION)
+    CheckGitVersion()
+endif ()