[TD-3402] <feature>: taosdemo version. (#5574)

feature completed.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

src/kit/taosdemo/CMakeLists.txt

@@ -3,6 +3,53 @@ PROJECT(TDengine)
 
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/client/inc)
 
+FIND_PACKAGE(Git)
+IF (GIT_FOUND)
+    MESSAGE("Git found")
+    EXECUTE_PROCESS(
+        COMMAND ${GIT_EXECUTABLE} log --pretty=oneline -n 1 ../src/kit/taosdemo/taosdemo.c
+        RESULT_VARIABLE RESULT
+        OUTPUT_VARIABLE TAOSDEMO_COMMIT)
+    EXECUTE_PROCESS(
+        COMMAND bash "-c" "echo '${TAOSDEMO_COMMIT}' | awk '{print $1}' | cut -c -9"
+        RESULT_VARIABLE RESULT
+        OUTPUT_VARIABLE TAOSDEMO_COMMIT_SHA1)
+    EXECUTE_PROCESS(
+        COMMAND ${GIT_EXECUTABLE} status -z -s ../src/kit/taosdemo/taosdemo.c
+        RESULT_VARIABLE RESULT
+        OUTPUT_VARIABLE TAOSDEMO_STATUS)
+    EXECUTE_PROCESS(
+        COMMAND bash "-c" "echo '${TAOSDEMO_STATUS}' | awk '{print $1}'"
+        RESULT_VARIABLE RESULT
+        OUTPUT_VARIABLE TAOSDEMO_STATUS)
+    MESSAGE("taosdemo.c status: " ${TAOSDEMO_STATUS})
+ELSE()
+    MESSAGE("Git not found")
+    SET(TAOSDEMO_COMMIT_SHA1 "unknown")
+    SET(TAOSDEMO_STATUS "unknown")
+ENDIF (GIT_FOUND)
+
+STRING(STRIP ${TAOSDEMO_COMMIT_SHA1} TAOSDEMO_COMMIT_SHA1)
+MESSAGE("taosdemo's latest commit in short is:" ${TAOSDEMO_COMMIT_SHA1})
+STRING(STRIP ${TAOSDEMO_STATUS} TAOSDEMO_STATUS)
+
+IF (TAOSDEMO_STATUS MATCHES "M")
+    SET(TAOSDEMO_STATUS "modified")
+ELSE()
+    SET(TAOSDEMO_STATUS "")
+ENDIF ()
+MESSAGE("taosdemo's status is:" ${TAOSDEMO_STATUS})
+
+ADD_DEFINITIONS(-DTAOSDEMO_COMMIT_SHA1="${TAOSDEMO_COMMIT_SHA1}")
+ADD_DEFINITIONS(-DTAOSDEMO_STATUS="${TAOSDEMO_STATUS}")
+
+MESSAGE("VERNUMBER is:" ${VERNUMBER})
+IF (VERNUMBER MATCHES "")
+    ADD_DEFINITIONS(-DTD_VERNUMBER="TDengie-version-unknown")
+ELSE()
+    ADD_DEFINITIONS(-DTD_VERNUMBER="${VERNUMBER}")
+ENDIF ()
+
 IF (TD_LINUX)
   AUX_SOURCE_DIRECTORY(. SRC)
   ADD_EXECUTABLE(taosdemo ${SRC})

src/kit/taosdemo/taosdemo.c

@@ -94,6 +94,7 @@ enum TEST_MODE {
 
 #define DEFAULT_TIMESTAMP_STEP  1
 
+
 typedef enum CREATE_SUB_TALBE_MOD_EN {
   PRE_CREATE_SUBTBL,
   AUTO_CREATE_SUBTBL,
@@ -590,6 +591,32 @@ static FILE *          g_fpOfInsertResult = NULL;
 
 static void ERROR_EXIT(const char *msg) { perror(msg); exit(-1); }
 
+#ifndef TAOSDEMO_COMMIT_SHA1
+#define TAOSDEMO_COMMIT_SHA1 "unknown"
+#endif
+
+#ifndef TD_VERNUMBER
+#define TD_VERNUMBER    "unknown"
+#endif
+
+#ifndef TAOSDEMO_STATUS 
+#define TAOSDEMO_STATUS "unknown"
+#endif
+
+static void printVersion() {
+    char tdengine_ver[] = TD_VERNUMBER;
+    char taosdemo_ver[] = TAOSDEMO_COMMIT_SHA1;
+    char taosdemo_status[] = TAOSDEMO_STATUS;
+
+    if (strlen(taosdemo_status) == 0) {
+        printf("taosdemo verison %s-%s\n",
+                tdengine_ver, taosdemo_ver);
+    } else {
+        printf("taosdemo verison %s-%s, status:%s\n",
+                tdengine_ver, taosdemo_ver, taosdemo_status);
+    }
+}
+
 static void printHelp() {
   char indent[10] = "        ";
   printf("%s%s%s%s\n", indent, "-f", indent, 
@@ -647,6 +674,8 @@ static void printHelp() {
           "Out of order data's range, ms, default is 1000.");
   printf("%s%s%s%s\n", indent, "-g", indent, 
           "Print debug info.");
+  printf("%s%s%s%s\n", indent, "-V, --version", indent, 
+          "Print version info.");
 /*    printf("%s%s%s%s\n", indent, "-D", indent, 
           "if elete database if exists. 0: no, 1: yes, default is 1");
           */
@@ -788,6 +817,10 @@ static void parse_args(int argc, char *argv[], SArguments *arguments) {
               || arguments->method_of_delete > 3) {
         arguments->method_of_delete = 0;
       }
+    } else if ((strcmp(argv[i], "--version") == 0) ||
+        (strcmp(argv[i], "-V") == 0)){
+      printVersion();
+      exit(0);
     } else if (strcmp(argv[i], "--help") == 0) {
       printHelp();
       exit(0);
@@ -5187,7 +5220,8 @@ static void *readTable(void *sarg) {
     double totalT = 0;
     int count = 0;
     for (int i = 0; i < num_of_tables; i++) {
-      sprintf(command, "select %s from %s%d where ts>= %" PRId64, aggreFunc[j], tb_prefix, i, sTime);
+      sprintf(command, "select %s from %s%d where ts>= %" PRId64,
+              aggreFunc[j], tb_prefix, i, sTime);
 
       double t = getCurrentTime();
       TAOS_RES *pSql = taos_query(taos, command);