Replace the build and release scripts by a Makefile

Makefile

@@ -0,0 +1,32 @@
+SHELL = /bin/bash
+
+BUILD_DIR := ./build
+DIST_DIR  := ./dist
+SRC_DIR   := ./src
+BIN_NAME := tsm
+BIN_DIR := $(DIST_DIR)/bin
+FUNCTIONS_DIR := $(DIST_DIR)/functions
+
+FILES := shebang logo setup $(addsuffix /*,core utils helpers commands) main tsm
+SRC_FILES := $(addsuffix .zsh,$(addprefix $(SRC_DIR)/,$(FILES)))
+COMPLETION_FILE := ./share/zsh/_tsm
+VERSION_FILE := VERSION.txt
+
+all: build
+
+.PHONY: release
+release: build
+	@mkdir -p -m 700 $(BIN_DIR) $(FUNCTIONS_DIR)
+	@cp -f $(BUILD_DIR)/$(BIN_NAME) $(BIN_DIR)/$(BIN_NAME)
+	@cp -f $(COMPLETION_FILE) $(FUNCTIONS_DIR)/
+	@$(BIN_DIR)/$(BIN_NAME) version > $(VERSION_FILE)
+
+.PHONY: build
+build: $(SRC_FILES)
+	@mkdir -p -m 700 $(BUILD_DIR)
+	@awk 'FNR==1 && NR > 1 {print ""}{print}' $(SRC_FILES) > $(BUILD_DIR)/$(BIN_NAME)
+	@chmod a+x $(BUILD_DIR)/$(BIN_NAME)
+
+.PHONY: clean
+clean:
+	rm -rf $(BUILD_DIR)