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Enhance version string

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Use sha and git diff-index status for full version string.

closes https://github.com/official-stockfish/Stockfish/pull/6965

No functional change
This commit is contained in:
Joost VandeVondele
2026-07-11 20:35:16 +02:00
parent 924d29d3ca
commit c18feef187
3 changed files with 17 additions and 9 deletions
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.gitignore
+1
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@@ -6,6 +6,7 @@ src/temp_builds
src/universal/network_dump.inc
.build_sha.txt
.build_date.txt
.build_diffindex.txt
# Built binary
src/stockfish*
src/Makefile
+12 -9
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@@ -911,13 +911,15 @@ ifeq ($(syzygy),no)
endif
### 3.8.1 Try to include git info for versioning and avoid recompiles if nothing changes
BUILD_SHA_FILE := .build_sha.txt
BUILD_DATE_FILE := .build_date.txt
GIT_SHA := $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8 || true)
GIT_DATE := $(shell git show -s --date=format:%Y%m%d --format=%cd HEAD 2>/dev/null || true)
COMPILER_DATE := $(shell date +%Y%m%d 2>/dev/null)
BUILD_SHA_FILE := .build_sha.txt
BUILD_DATE_FILE := .build_date.txt
BUILD_DIFFINDEX_FILE := .build_diffindex.txt
GIT_SHA := $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8 || true)
GIT_DATE := $(shell git show -s --date=format:%Y%m%d --format=%cd HEAD 2>/dev/null || true)
GIT_DIFFINDEX := $(shell git diff-index --quiet HEAD -- 2>/dev/null; [ $$? -eq 1 ] && echo 1 || true)
COMPILER_DATE := $(shell date +%Y%m%d 2>/dev/null)
BUILD_DATE := $(if $(GIT_DATE),$(GIT_DATE),$(COMPILER_DATE))
BUILD_DATE := $(if $(GIT_DATE),$(GIT_DATE),$(COMPILER_DATE))
define cache_file_contents
$(shell \
@@ -929,6 +931,7 @@ endef
ifneq ($(filter $(MAKECMDGOALS),help strip install clean net objclean profileclean format config-sanity),$(MAKECMDGOALS))
_ := $(call cache_file_contents,$(BUILD_SHA_FILE),$(GIT_SHA))
_ := $(call cache_file_contents,$(BUILD_DATE_FILE),$(BUILD_DATE))
_ := $(call cache_file_contents,$(BUILD_DIFFINDEX_FILE),$(BUILD_DIFFINDEX))
endif
### 3.8.2 Try to include architecture
@@ -1207,7 +1210,7 @@ clean: objclean profileclean universalclean
# clean binaries and objects
objclean:
@rm -f stockfish stockfish.exe *.o ./syzygy/*.o ./nnue/*.o ./nnue/features/*.o $(BUILD_SHA_FILE) $(BUILD_DATE_FILE)
@rm -f stockfish stockfish.exe *.o ./syzygy/*.o ./nnue/*.o ./nnue/features/*.o $(BUILD_SHA_FILE) $(BUILD_DATE_FILE) $(BUILD_DIFFINDEX_FILE)
# clean auxiliary profiling files
profileclean:
@@ -1313,8 +1316,8 @@ $(EXE): $(OBJS)
%.o: %.cpp
$(strip $(CXX) $(CPPFLAGS) $(CXXFLAGS)) -c -o $@ $<
misc.o: misc.cpp $(BUILD_SHA_FILE) $(BUILD_DATE_FILE)
$(strip $(CXX) $(CPPFLAGS) $(CXXFLAGS) $(if $(GIT_SHA),-DGIT_SHA=$(GIT_SHA)) $(if $(GIT_DATE),-DGIT_DATE=$(GIT_DATE))) -c -o $@ $<
misc.o: misc.cpp $(BUILD_SHA_FILE) $(BUILD_DATE_FILE) $(BUILD_DIFFINDEX_FILE)
$(strip $(CXX) $(CPPFLAGS) $(CXXFLAGS) $(if $(GIT_SHA),-DGIT_SHA=$(GIT_SHA)) $(if $(GIT_DATE),-DGIT_DATE=$(GIT_DATE))) $(if $(GIT_DIFFINDEX),-DGIT_DIFFINDEX=$(GIT_DIFFINDEX)) -c -o $@ $<
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
src/misc.cpp
+4
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@@ -158,6 +158,10 @@ std::string engine_version_info() {
<< std::setw(2) << std::setfill('0') << day;
#endif
#ifdef GIT_DIFFINDEX
ss << "-m";
#endif
ss << "-";
#ifdef GIT_SHA