Previously, the length of git commit hashes could vary depending on the git environment.
closes https://github.com/official-stockfish/Stockfish/pull/4527
No functional change
endif
### 3.7.1 Try to include git commit sha for versioning
endif
### 3.7.1 Try to include git commit sha for versioning
-GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
+GIT_SHA = $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
ifneq ($(GIT_SHA), )
CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
endif
ifneq ($(GIT_SHA), )
CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
endif