Added Makefile, .gitignore, deps and --version

.gitignore

@@ -0,0 +1,2 @@
+random_data_load*
+vendor/

Gopkg.toml

@@ -29,6 +29,10 @@
   branch = "master"
   name = "github.com/gosuri/uiprogress"
 
+[[constraint]]
+  branch = "master"
+  name = "github.com/hashicorp/go-version"
+
 [[constraint]]
   branch = "master"
   name = "github.com/icrowley/fake"
@@ -37,6 +41,10 @@
   branch = "master"
   name = "github.com/kr/pretty"
 
+[[constraint]]
+  name = "github.com/pkg/errors"
+  version = "0.8.0"
+
 [[constraint]]
   name = "gopkg.in/alecthomas/kingpin.v2"
   version = "2.2.5"

Makefile

@@ -0,0 +1,53 @@
+GO := go
+pkgs   = $(shell basename `git rev-parse --show-toplevel`)
+VERSION=$(shell git describe --abbrev=0)
+BUILD=$(shell date +%FT%T%z)
+GOVERSION=$(shell go version | cut --delimiter=" " -f3)
+COMMIT=$(shell git rev-parse HEAD)
+BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
+
+PREFIX=$(shell pwd)
+TOP_DIR=$(shell git rev-parse --show-toplevel)
+BIN_DIR=$(shell git rev-parse --show-toplevel)/bin
+SRC_DIR=$(shell git rev-parse --show-toplevel)/src/go
+LDFLAGS="-X main.Version=${VERSION} -X main.Build=${BUILD} -X main.Commit=${COMMIT} -X main.Branch=${BRANCH} -X main.GoVersion=${GOVERSION} -s -w"
+
+.PHONY: all style format build test vet tarball linux-amd64
+
+all: clean linux-amd64 darwin-amd64
+
+clean:
+	@echo "Cleaning binaries dir ${BIN_DIR}"
+	@rm -rf ${BIN_DIR}/ 2> /dev/null
+
+linux-amd64: 
+	@echo "Building linux/amd64 binaries in ${BIN_DIR}"
+	@mkdir -p ${BIN_DIR}
+	@$(foreach pkg,$(pkgs),GOOS=linux GOARCH=amd64 go build -ldflags ${LDFLAGS} -o ${BIN_DIR}/$(pkg)_linux_amd64 ./;)
+
+linux-386: 
+	@echo "Building linux/386 binaries in ${BIN_DIR}"
+	@mkdir -p ${BIN_DIR}
+	@$(foreach pkg,$(pkgs),GOOS=linux GOARCH=386 go build -ldflags ${LDFLAGS} -o ${BIN_DIR}/$(pkg)_linux_386 ./;)
+
+darwin-amd64: 
+	@echo "Building darwin/amd64 binaries in ${BIN_DIR}"
+	@mkdir -p ${BIN_DIR}
+	@$(foreach pkg,$(pkgs),GOOS=darwin GOARCH=amd64 go build -ldflags ${LDFLAGS} -o ${BIN_DIR}/$(pkg)_darwin_amd64 ./;)
+
+style:
+	@echo ">> checking code style"
+	@! gofmt -d $(shell find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'
+
+test:
+	@echo ">> running tests"
+	@./runtests.sh
+
+format:
+	@echo ">> formatting code"
+	@$(GO) fmt $(pkgs)
+
+vet:
+	@echo ">> vetting code"
+	@$(GO) vet $(pkgs)
+

main.go

@@ -34,10 +34,11 @@ var (
 	progress   = app.Flag("show-progressbar", "Show progress bar").Default("true").Bool()
 	samples    = app.Flag("max-fk-samples", "Maximum number of samples for foreign keys fields").Default("100").Int64()
 	factor     = app.Flag("fk-samples-factor", "Percentage used to get random samples for foreign keys fields").Default("0.3").Float64()
+	version    = app.Flag("version", "Show version and exit").Bool()
 	//
-	schema    = app.Arg("database", "Database").Required().String()
-	tableName = app.Arg("table", "Table").Required().String()
-	rows      = app.Arg("rows", "Number of rows to insert").Required().Int()
+	schema    = app.Arg("database", "Database").String()
+	tableName = app.Arg("table", "Table").String()
+	rows      = app.Arg("rows", "Number of rows to insert").Int()
 
 	validFunctions = []string{"int", "string", "date", "date_in_range"}
 	maxValues      = map[string]int64{
@@ -51,6 +52,12 @@ var (
 		"double":    0x7FFFFFFF,
 		"bigint":    0x7FFFFFFFFFFFFFFF,
 	}
+
+	Version   = "0.0.0."
+	Commit    = "<sha1>"
+	Branch    = "branch-name"
+	Build     = "2017-01-01"
+	GoVersion = "1.9.2"
 )
 
 type insertValues []getters.Getter
@@ -66,6 +73,15 @@ func (g insertValues) String() string {
 func main() {
 	kingpin.MustParse(app.Parse(os.Args[1:]))
 
+	if *version {
+		fmt.Printf("Version   : %s\n", Version)
+		fmt.Printf("Commit    : %s\n", Commit)
+		fmt.Printf("Branch    : %s\n", Branch)
+		fmt.Printf("Build     : %s\n", Build)
+		fmt.Printf("Go version: %s\n", GoVersion)
+		return
+	}
+
 	address := *host
 	net := "unix"
 	if address != "localhost" {