show last commit id when server start (#717)

* #709 show last commit id when server start

* #709 fix typo error

CHANGELOG.md

@@ -69,6 +69,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#560 - Add version in server config file
 - \#605 - Print more messages when server start
 - \#644 - Add a new rpc command to get milvus build version whether cpu or gpu
+- \#709 - Show last commit id when server start
 
 ## Improvement
 - \#255 - Add ivfsq8 test report detailed version

core/CMakeLists.txt

@@ -23,6 +23,7 @@ message(STATUS "Building using CMake version: ${CMAKE_VERSION}")
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
+# get build time
 MACRO(GET_CURRENT_TIME CURRENT_TIME)
     execute_process(COMMAND "date" +"%Y-%m-%d %H:%M.%S" OUTPUT_VARIABLE ${CURRENT_TIME})
 ENDMACRO(GET_CURRENT_TIME)
@@ -35,6 +36,7 @@ if (NOT DEFINED CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build.")
 endif ()
 
+# get Milvus version via branch name
 set(GIT_BRANCH_NAME_REGEX "[0-9]+\\.[0-9]+\\.[0-9]")
 
 MACRO(GET_GIT_BRANCH_NAME GIT_BRANCH_NAME)
@@ -57,6 +59,21 @@ endif ()
 set(MILVUS_VERSION "${GIT_BRANCH_NAME}")
 string(REGEX MATCH "${GIT_BRANCH_NAME_REGEX}" MILVUS_VERSION "${MILVUS_VERSION}")
 
+# get last commit id
+MACRO(GET_LAST_COMMIT_ID LAST_COMMIT_ID)
+    execute_process(COMMAND sh "-c" "git log --decorate | head -n 1 | awk '{print $2}'"
+            OUTPUT_VARIABLE ${LAST_COMMIT_ID})
+ENDMACRO(GET_LAST_COMMIT_ID)
+
+GET_LAST_COMMIT_ID(LAST_COMMIT_ID)
+message(STATUS "LAST_COMMIT_ID = ${LAST_COMMIT_ID}")
+if (NOT LAST_COMMIT_ID STREQUAL "")
+    string(REGEX REPLACE "\n" "" LAST_COMMIT_ID ${LAST_COMMIT_ID})
+endif ()
+
+set(LAST_COMMIT_ID "${LAST_COMMIT_ID}")
+
+# set build type
 if (CMAKE_BUILD_TYPE STREQUAL "Release")
     set(BUILD_TYPE "Release")
 else ()

core/src/main.cpp

@@ -63,6 +63,7 @@ print_banner() {
 #else
     std::cout << "You are using Milvus CPU edition" << std::endl;
 #endif
+    std::cout << "Last commit id: " << LAST_COMMIT_ID << std::endl;
     std::cout << std::endl;
 }
 

core/src/version.h.in

@@ -17,4 +17,5 @@
 
 #cmakedefine MILVUS_VERSION "@MILVUS_VERSION@"
 #cmakedefine BUILD_TYPE "@BUILD_TYPE@"
-#cmakedefine BUILD_TIME @BUILD_TIME@
+#cmakedefine BUILD_TIME @BUILD_TIME@
+#cmakedefine LAST_COMMIT_ID "@LAST_COMMIT_ID@"