Added makefile and helper scripts

.gitignore

@@ -8,8 +8,8 @@
 # Test binary, built with `go test -c`
 *.test
 
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
+# Output of the go coverage tool
+coverage.*
 
 # Dependency directories (remove the comment below to include it)
 # vendor/

Makefile

@@ -0,0 +1,70 @@
+PROJECT := bazaar
+VERSION_COMMIT := $git rev-parse --short HEAD)
+SOURCE_FILES ?=./internal/... ./cmd/... ./pkg/...
+TEST_OPTIONS ?= -v -failfast -race -bench=. -benchtime=100000x -cover -coverprofile=coverage.out
+TEST_TIMEOUT ?=1m
+CLEAN_OPTIONS ?=-modcache -testcache
+LD_FLAGS := -X main.version=$(VERSION) -s -w
+BUILDS_PATH := ./build
+FROM_MAKEFILE := y
+
+# Common exports
+export FROM_MAKEFILE
+export VERSION_COMMIT
+
+export LD_FLAGS
+export SOURCE_FILES
+export TEST_OPTIONS
+export TEST_TIMEOUT
+export BUILDS_PATH
+
+.PHONY: all
+all: help
+
+# this is godly
+# https://news.ycombinator.com/item?id=11939200
+.PHONY: help
+help:	### this screen. Keep it first target to be default
+ifeq ($(UNAME), Linux)
+	@grep -P '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | \
+		awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
+else
+	@# this is not tested, but prepared in advance for you, Mac drivers
+	@awk -F ':.*###' '$$0 ~ FS {printf "%15s%s\n", $$1 ":", $$2}' \
+		$(MAKEFILE_LIST) | grep -v '@awk' | sort
+endif
+
+.PHONY: clean
+clean: ###  clean test cache, build files
+	$(info: Make: Clean)
+	@rm -rf ${BUILDS_PATH}
+	@go clean ${CLEAN_OPTIONS}
+
+.PHONY: build
+build: clean ### builds the project for the setup os/arch combinations
+	$(info: Make: Build)
+	@go build -a -v -ldflags "${LD_FLAGS}" -o ${BUILDS_PATH}/bazaar ./cmd/bazaar/*.go
+	@chmod +x ${BUILDS_PATH}/bazaar
+
+.PHONY: quick-run
+quick-run: ### Executes the project using golang
+	@go run ./cmd/bazaar/*.go
+
+.PHONY: run
+run: ### Executes the project build locally
+	@make build
+	${BUILDS_PATH}/bazaar
+
+.PHONY: format
+format: ### Executes the formatting pipeline on the project
+	$(info: Make: Format)
+	@bash scripts/format.sh
+
+.PHONY: lint
+lint: ### Check the project for errors
+	$(info: Make: Lint)
+	@bash scripts/lint.sh
+
+.PHONY: test
+test: ### Runs the test suite
+	@bash scripts/test.sh

scripts/format.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -e
+
+if [ -z "$FROM_MAKEFILE" ]; then
+    echo "Do not call this file directly - use the make command"
+    exit 1
+fi
+
+# Enable/Disable formatters
+GOFMT_ENABLED=${GOFMT_ENABLED:-y}
+
+# Add go binaries path to current $PATH
+PATH=$PATH:$(go env GOPATH)/bin
+
+files=$(find . -name '*.go')
+
+for file in $files
+do
+    if [ "$GOFMT_ENABLED" == "y" ]; then
+        gofmt -w -s $file
+    fi
+done

scripts/lint.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -e
+
+if [ -z "$FROM_MAKEFILE" ]; then
+    echo "Do not call this file directly - use the make command"
+    exit 1
+fi
+
+golangci-lint run --tests=false

scripts/test.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -e
+
+if [ -z "$FROM_MAKEFILE" ]; then
+    echo "Do not call this file directly - use the make command"
+    exit 1
+fi
+
+COVERAGE_PATH=coverage.out
+COVERAGE_HTML_PATH=coverage.html
+
+go test ${TEST_OPTIONS} ${SOURCE_FILES} -timeout=${TEST_TIMEOUT}
+
+echo
+echo "== Coverage report =="
+echo
+
+go tool cover -html=${COVERAGE_PATH} -o ${COVERAGE_HTML_PATH}
+go tool cover -func=${COVERAGE_PATH}