create makefile

makefile

@@ -0,0 +1,34 @@
+# Makefile for building Go tool for different platforms and compressing binaries
+
+# Binary name
+BINARY_NAME=git-commits-vis
+
+# Output directory
+OUTPUT_DIR=bin
+
+# Cross-compilation targets
+PLATFORMS=linux/amd64 linux/386 windows/amd64 windows/386 darwin/amd64
+
+# Build command for each platform
+build:
+	@for platform in $(PLATFORMS); do \
+		export GOOS=$${platform%/*}; \
+		export GOARCH=$${platform#*/}; \
+		output_name=$(OUTPUT_DIR)/$(BINARY_NAME)_$${GOOS}_$${GOARCH}; \
+		if [ $$GOOS = "windows" ]; then output_name=$$output_name.exe; fi; \
+		echo "Building $$output_name"; \
+		go build -o $$output_name; \
+	done
+
+# Compress binaries into a zip file
+compress:
+	zip -j $(OUTPUT_DIR)/$(BINARY_NAME)_binaries.zip $(OUTPUT_DIR)/*
+
+# Clean the binaries and zip file
+clean:
+	rm -rf $(OUTPUT_DIR)/*
+
+# Build and compress
+all: clean build compress
+
+.PHONY: build compress clean all