Update Makefile

Author: straight-shoota

Makefile

@@ -1,5 +1,7 @@
-BIN ?= bin
-SHARDS := shards
+SHARDS ::= shards
+
+SRC_SOURCES ::= $(shell find src -name '*.cr' 2>/dev/null)
+LIB_SOURCES ::= $(shell find lib -name '*.cr' 2>/dev/null)
 
 .PHONY: test
 test: format
@@ -9,19 +11,39 @@ test: format
 	# format Crystal code as well
 	crystal tool format --check src spec
 
-.PHONY: build
-build: $(BIN)/catalog_tools
+.PHONY: format
+format: bin/catalog_tools
+	bin/catalog_tools format
 
-$(BIN)/catalog_tools: src/* shard.lock
+bin/catalog_tools: $(SRC_SOURCES) $(LIB_SOURCES) lib
 	$(SHARDS) build catalog_tools
 
+.PHONY: build
+build: bin/catalog_tools
+
+lib: shard.lock
+	$(SHARDS) install
+
 shard.lock: shard.yml
 	$(SHARDS) update
 
-.PHONY: format
-format: $(BIN)/catalog_tools
-	$(BIN)/catalog_tools format
-
 .PHONY: clean
-clean:
-	rm -f $(BIN)/catalog_tools
+clean: ## Remove application binary
+	rm -f bin/catalog_tools
+
+.PHONY: help
+help: ## Show this help
+	@echo
+	@printf '\033[34mtargets:\033[0m\n'
+	@grep -hE '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) |\
+		sort |\
+		awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2}'
+	@echo
+	@printf '\033[34moptional variables:\033[0m\n'
+	@grep -hE '^[a-zA-Z_-]+ \?=.*?## .*$$' $(MAKEFILE_LIST) |\
+		sort |\
+		awk 'BEGIN {FS = " \\?=.*?## "}; {printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2}'
+	@echo
+	@printf '\033[34mrecipes:\033[0m\n'
+	@grep -hE '^##.*$$' $(MAKEFILE_LIST) |\
+		awk 'BEGIN {FS = "## "}; /^## [a-zA-Z_-]/ {printf "  \033[36m%s\033[0m\n", $$2}; /^##  / {printf "  %s\n", $$2}'

src/awesome_list.cr

@@ -1,5 +1,3 @@
-#! /usr/bin/env crystal
-#
 require "http/client"
 require "file_utils"
 require "shardbox-core/catalog"