Automatically integrates git build information into executables.

Usage:
func.exe -V
adnl-pong -V
validator-engine -V
and so on.
Result will be shown in the following format:
Func build information: [ Commit: d8b751d, Date: 2021-02-27 14:34:41 +0200]

CMakeLists.txt

@@ -4,7 +4,15 @@ project(TON VERSION 0.5 LANGUAGES C CXX)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 #set(OPENSSL_USE_STATIC_LIBS TRUE)
 
-ADD_DEFINITIONS( -DBUILD_VERSION=\"3.0.0\" )
+# Define the two required variables before including the source code for watching a git repository.
+set(PRE_CONFIGURE_FILE "git.cc.in")
+set(POST_CONFIGURE_FILE "${CMAKE_CURRENT_BINARY_DIR}/git.cc")
+include(git_watcher.cmake)
+
+# Create a library out of the compiled post-configure file.
+add_library(git STATIC ${POST_CONFIGURE_FILE})
+target_include_directories(git PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+add_dependencies(git check_git)
 
 # Prevent in-source build
 get_filename_component(TON_REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)

adnl/CMakeLists.txt

@@ -89,12 +89,12 @@ target_link_libraries(adnl PUBLIC tdactor ton_crypto tl_api tdnet tddb keys keyr
 add_executable(adnl-proxy ${ADNL_PROXY_SOURCE})
 target_include_directories(adnl-proxy PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
 target_link_libraries(adnl-proxy PUBLIC tdactor ton_crypto tl_api tdnet common
-  tl-utils)
+  tl-utils git)
 
 add_executable(adnl-pong adnl-pong.cpp)
 target_include_directories(adnl-pong PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
 target_link_libraries(adnl-pong PUBLIC tdactor ton_crypto tl_api tdnet common
-  tl-utils adnl dht)
+  tl-utils adnl dht git)
 
 add_library(adnltest STATIC ${ADNL_TEST_SOURCE})
 target_include_directories(adnltest PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
@@ -105,4 +105,4 @@ endif()
 add_library(adnllite STATIC ${ADNL_LITE_SOURCE})
 
 target_include_directories(adnllite PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
-target_link_libraries(adnllite PUBLIC tdactor ton_crypto tl_lite_api tdnet keys )
+target_link_libraries(adnllite PUBLIC tdactor ton_crypto tl_lite_api tdnet keys)

adnl/adnl-pong.cpp

@@ -41,6 +41,7 @@
 #include "auto/tl/ton_api_json.h"
 #include "adnl/adnl.h"
 #include <map>
+#include "git.h"
 
 #if TD_DARWIN || TD_LINUX
 #include <unistd.h>
@@ -97,8 +98,8 @@ int main(int argc, char *argv[]) {
     int v = VERBOSITY_NAME(FATAL) + (td::to_integer<int>(arg));
     SET_VERBOSITY_LEVEL(v);
   });
-  p.add_option('V', "version", "shows adnl-pong build version", [&]() {
-    std::cout << "adnl-pong build version: [" << BUILD_VERSION << "]\n";
+  p.add_option('V', "version", "shows adnl-pong build information", [&]() {
+    std::cout << "adnl-pong build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
     std::exit(0);
   });
   p.add_option('h', "help", "prints_help", [&]() {

adnl/adnl-proxy.cpp

@@ -43,6 +43,7 @@
 #include "adnl-proxy-types.h"
 #include "adnl-received-mask.h"
 #include <map>
+#include "git.h"
 
 #if TD_DARWIN || TD_LINUX
 #include <unistd.h>
@@ -303,8 +304,8 @@ int main(int argc, char *argv[]) {
     int v = VERBOSITY_NAME(FATAL) + (td::to_integer<int>(arg));
     SET_VERBOSITY_LEVEL(v);
   });
-  p.add_option('V', "version", "shows adnl-proxy build version", [&]() {
-    std::cout << "adnl-proxy build version: [" << BUILD_VERSION << "]\n";
+  p.add_option('V', "version", "shows adnl-proxy build information", [&]() {
+    std::cout << "adnl-proxy build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
     std::exit(0);
   });
   p.add_option('h', "help", "prints_help", [&]() {

create-hardfork/CMakeLists.txt

@@ -12,6 +12,6 @@ set(CREATE_HARDFORK_SOURCE
 add_executable(create-hardfork ${CREATE_HARDFORK_SOURCE})
 target_link_libraries(create-hardfork overlay tdutils tdactor adnl tl_api dht
   rldp catchain validatorsession full-node validator-hardfork ton_validator
-  validator-hardfork fift-lib memprof ${JEMALLOC_LIBRARIES})
+  validator-hardfork fift-lib memprof git ${JEMALLOC_LIBRARIES})
 
 install(TARGETS create-hardfork RUNTIME DESTINATION bin)

create-hardfork/create-hardfork.cpp

@@ -55,6 +55,7 @@
 #endif
 #include <iostream>
 #include <sstream>
+#include "git.h"
 
 int verbosity;
 
@@ -263,8 +264,8 @@ int main(int argc, char *argv[]) {
     std::cout << sb.as_cslice().c_str();
     std::exit(2);
   });
-  p.add_option('V', "version", "shows create-hardfork build version", [&]() {
-    std::cout << "create-hardfork build version: [" << BUILD_VERSION << "]\n";
+  p.add_option('V', "version", "shows create-hardfork build information", [&]() {
+    std::cout << "create-hardfork build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
     std::exit(0);
   });
   p.add_option('D', "db", "root for dbs",

crypto/CMakeLists.txt

@@ -284,7 +284,7 @@ target_link_libraries(fift-lib PUBLIC ton_crypto ton_db tdutils ton_block)
 set_target_properties(fift-lib PROPERTIES OUTPUT_NAME fift)
 
 add_executable(fift fift/fift-main.cpp)
-target_link_libraries(fift PUBLIC fift-lib)
+target_link_libraries(fift PUBLIC fift-lib git)
 if (WINGETOPT_FOUND)
   target_link_libraries_system(fift wingetopt)
 endif()
@@ -295,7 +295,7 @@ target_link_libraries(src_parser PUBLIC ton_crypto)
 
 add_executable(func func/func.cpp ${FUNC_LIB_SOURCE})
 target_include_directories(func PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
-target_link_libraries(func PUBLIC ton_crypto src_parser)
+target_link_libraries(func PUBLIC ton_crypto src_parser git)
 if (WINGETOPT_FOUND)
   target_link_libraries_system(func wingetopt)
 endif()
@@ -312,10 +312,11 @@ target_include_directories(pow-miner-lib PUBLIC $<BUILD_INTERFACE:${CMAKE_CURREN
 target_link_libraries(pow-miner-lib PUBLIC ton_crypto ton_block)
 
 add_executable(pow-miner util/pow-miner.cpp)
-target_link_libraries(pow-miner PRIVATE ton_crypto ton_block pow-miner-lib)
+target_link_libraries(pow-miner PRIVATE ton_crypto ton_block pow-miner-lib git)
 
 if (WINGETOPT_FOUND)
   target_link_libraries_system(fift wingetopt)
+  target_link_libraries_system(pow-miner wingetopt)
 endif()
 
 add_library(ton_block ${BLOCK_SOURCE})
@@ -404,12 +405,12 @@ add_executable(create-state block/create-state.cpp)
 target_include_directories(create-state PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
 if (INTERNAL_COMPILE)
-  target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block tonlib)
+  target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block tonlib git)
 else()
   if (TONLIB_COMPILE) 
-    target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block tonlib)
+    target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block tonlib git)
   else()
-    target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block)
+    target_link_libraries(create-state PUBLIC ton_crypto fift-lib ton_block git)
   endif()
 endif()
 if (WINGETOPT_FOUND)
@@ -419,23 +420,24 @@ endif()
 add_executable(dump-block block/dump-block.cpp)
 target_include_directories(dump-block PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
-target_link_libraries(dump-block PUBLIC ton_crypto fift-lib ton_block)
+target_link_libraries(dump-block PUBLIC ton_crypto fift-lib ton_block git)
 if (WINGETOPT_FOUND)
   target_link_libraries_system(dump-block wingetopt)
 endif()
 
 add_executable(adjust-block block/adjust-block.cpp)
 target_include_directories(adjust-block PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
-target_link_libraries(adjust-block PUBLIC ton_crypto fift-lib ton_block)
+target_link_libraries(adjust-block PUBLIC ton_crypto fift-lib ton_block git)
 if (WINGETOPT_FOUND)
   target_link_libraries_system(dump-block wingetopt)
+  target_link_libraries_system(adjust-block wingetopt)
 endif()
 
 add_executable(test-weight-distr block/test-weight-distr.cpp)
 target_include_directories(test-weight-distr PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>)
-target_link_libraries(test-weight-distr PUBLIC ton_crypto fift-lib ton_block)
+target_link_libraries(test-weight-distr PUBLIC ton_crypto fift-lib ton_block git)
 if (WINGETOPT_FOUND)
   target_link_libraries_system(test-weight-distr wingetopt)
 endif()

crypto/block/adjust-block.cpp

@@ -34,6 +34,7 @@
 #include "vm/cp0.h"
 #include "td/utils/crypto.h"
 #include <getopt.h>
+#include "git.h"
 
 using td::Ref;
 using namespace std::literals::string_literals;
@@ -144,7 +145,7 @@ int main(int argc, char* const argv[]) {
   int i, vseqno_incr = 1;
   int new_verbosity_level = VERBOSITY_NAME(INFO);
   std::string in_fname, out_fname;
-  while ((i = getopt(argc, argv, "hi:v:")) != -1) {
+  while ((i = getopt(argc, argv, "hi:v:V")) != -1) {
     switch (i) {
       case 'h':
         usage();
@@ -156,6 +157,10 @@ int main(int argc, char* const argv[]) {
       case 'v':
         new_verbosity_level = VERBOSITY_NAME(FATAL) + (verbosity = td::to_integer<int>(td::Slice(optarg)));
         break;
+      case 'V':
+        std::cout << "adjust-block build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
+        std::exit(0);
+        break;
       default:
         usage();
         break;

crypto/block/create-state.cpp

@@ -59,6 +59,7 @@
 #include "block-parse.h"
 #include "block-auto.h"
 #include "mc-config.h"
+#include "git.h"
 
 #if defined(_INTERNAL_COMPILE) || defined(_TONLIB_COMPILE)
 #define WITH_TONLIB
@@ -805,7 +806,7 @@ void usage(const char* progname) {
                "$FIFTPATH is used instead.\n"
                "\t-L<library-fif-file>\tPre-loads a library source file\n"
                "\t-v<verbosity-level>\tSet verbosity level\n"
-               "\t-V<version>\tShow create-state build version\n";
+               "\t-V<version>\tShow create-state build information\n";
   std::exit(2);
 }
 
@@ -865,8 +866,8 @@ int main(int argc, char* const argv[]) {
       case 'v':
         new_verbosity_level = VERBOSITY_NAME(FATAL) + (verbosity = td::to_integer<int>(td::Slice(optarg)));
         break;
-      case 'V':
-        std::cout << "create-state build version: [" << BUILD_VERSION << "]\n";
+      case 'V':        
+        std::cout << "create-state build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
         std::exit(0);
         break;
       case 'h':

crypto/block/dump-block.cpp

@@ -34,6 +34,7 @@
 #include "mc-config.h"
 #include "vm/cp0.h"
 #include <getopt.h>
+#include "git.h"
 
 using td::Ref;
 using namespace std::literals::string_literals;
@@ -247,7 +248,7 @@ void usage() {
   std::cout << "usage: dump-block [-t<typename>][-S][<boc-file>]\n\tor dump-block -h\n\tDumps specified blockchain "
                "block or state "
                "from <boc-file>, or runs some tests\n\t-S\tDump a blockchain state instead of a block\n"
-               "\t-V<version>\tShow fift build version\n";
+               "\t-V<version>\tShow fift build information\n";
   std::exit(2);
 }
 
@@ -282,7 +283,7 @@ int main(int argc, char* const argv[]) {
         dump = 0;
         break;
       case 'V':
-        std::cout << "dump-block build version: [" << BUILD_VERSION << "]\n";
+        std::cout << "dump-block build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
         std::exit(0);
         break;
       case 'h':

crypto/fift/fift-main.cpp

@@ -53,6 +53,8 @@
 #include "td/utils/Parser.h"
 #include "td/utils/port/path.h"
 
+#include "git.h"
+
 void usage(const char* progname) {
   std::cerr << "A simple Fift interpreter. Type `bye` to quit, or `words` to get a list of all commands\n";
   std::cerr
@@ -66,7 +68,7 @@ void usage(const char* progname) {
                "\t-d<ton-db-path>\tUse a ton database\n"
                "\t-s\tScript mode: use first argument as a fift source file and import remaining arguments as $n)\n"
                "\t-v<verbosity-level>\tSet verbosity level\n"
-               "\t-V<version>\tShow fift build version\n";
+               "\t-V<version>\tShow fift build information\n";
   std::exit(2);
 }
 
@@ -118,7 +120,7 @@ int main(int argc, char* const argv[]) {
         new_verbosity_level = VERBOSITY_NAME(FATAL) + td::to_integer<int>(td::Slice(optarg));
         break;
       case 'V':
-        std::cout << "Fift build version: [" << BUILD_VERSION << "]\n";
+        std::cout << "Fift build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
         std::exit(0);
         break;
 

crypto/func/func.cpp

@@ -31,6 +31,7 @@
 #include "parser/symtable.h"
 #include <getopt.h>
 #include <fstream>
+#include "git.h"
 
 namespace funC {
 
@@ -172,7 +173,7 @@ void usage(const char* progname) {
          "-R\tInclude operation rewrite comments in the output code\n"
          "-W<output-boc-file>\tInclude Fift code to serialize and save generated code into specified BoC file. Enables "
          "-A and -P.\n"
-         "\t-V<version>\tShow func build version\n";
+         "\t-V<version>\tShow func build information\n";
   std::exit(2);
 }
 
@@ -215,7 +216,7 @@ int main(int argc, char* const argv[]) {
         funC::asm_preamble = funC::program_envelope = true;
         break;
       case 'V':
-        std::cout << "Func build version: [" << BUILD_VERSION << "]\n";
+        std::cout << "Func build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
         std::exit(0);
         break;
       case 'h':

crypto/util/pow-miner.cpp

@@ -37,7 +37,7 @@
 #include <thread>
 #include <cstdlib>
 #include <getopt.h>
-
+#include "git.h"
 #include "Miner.h"
 
 const char* progname;
@@ -46,7 +46,7 @@ int usage() {
   std::cerr
       << "usage: " << progname
       << " [-v][-B][-w<threads>] [-t<timeout>] <my-address> <pow-seed> <pow-complexity> <iterations> [<miner-addr> "
-         "<output-ext-msg-boc>]\n"
+         "<output-ext-msg-boc>] [-V]\n"
          "Outputs a valid <rdata> value for proof-of-work testgiver after computing at most <iterations> hashes "
          "or terminates with non-zero exit code\n";
   std::exit(2);
@@ -156,7 +156,7 @@ int main(int argc, char* const argv[]) {
   progname = argv[0];
   int i, threads = 0;
   bool bounce = false, benchmark = false;
-  while ((i = getopt(argc, argv, "bnvw:t:Bh")) != -1) {
+  while ((i = getopt(argc, argv, "bnvw:t:Bh:V")) != -1) {
     switch (i) {
       case 'v':
         ++verbosity;
@@ -180,6 +180,10 @@ int main(int argc, char* const argv[]) {
       case 'n':
         bounce = false;
         break;
+      case 'V':
+        std::cout << "pow-miner build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
+        std::exit(0);
+        break;
       case 'h':
         return usage();
       default:

dht-server/CMakeLists.txt

@@ -11,6 +11,6 @@ set (DHT_SERVER_SOURCE
 )
 
 add_executable (dht-server ${DHT_SERVER_SOURCE})
-target_link_libraries(dht-server tdutils tdactor adnl tl_api dht memprof ${JEMALLOC_LIBRARIES})
+target_link_libraries(dht-server tdutils tdactor adnl tl_api dht memprof git ${JEMALLOC_LIBRARIES})
 
 install(TARGETS dht-server RUNTIME DESTINATION bin)

dht-server/dht-server.cpp

@@ -48,6 +48,7 @@
 #include <sstream>
 #include <cstdlib>
 #include <set>
+#include "git.h"
 
 Config::Config() {
   out_port = 3278;
@@ -1182,8 +1183,8 @@ int main(int argc, char *argv[]) {
     int v = VERBOSITY_NAME(FATAL) + (td::to_integer<int>(arg));
     SET_VERBOSITY_LEVEL(v);
   });
-  p.add_option('V', "version", "shows dht-server build version", [&]() {
-    std::cout << "dht-server build version: [" << BUILD_VERSION << "]\n";
+  p.add_option('V', "version", "shows dht-server build information", [&]() {
+    std::cout << "dht-server build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
     std::exit(0);
   });
   p.add_option('h', "help", "prints_help", [&]() {