Add Makefile to facilitate building and testing.

Add --version, which will be taken from git tag or HEAD

Ran "go mod vendor" to fix some issues.

Makefile

@@ -0,0 +1,21 @@
+.PHONY: clean build test
+
+MAIN_DIRECTORY := .
+BIN_OUTPUT := $(if $(filter $(shell go env GOOS), windows), mikrotik-fwban.exe, mikrotik-fwban)
+
+TAG_NAME := $(shell git tag -l --contains HEAD)
+SHA := $(shell git rev-parse HEAD)
+VERSION := $(if $(TAG_NAME),$(TAG_NAME),$(SHA))
+
+default: clean test build
+
+clean:
+	@echo BIN_OUTPUT: ${BIN_OUTPUT}
+	rm -rf ${BIN_OUTPUT} coverage.out
+
+build: clean
+	@echo Version: $(VERSION)
+	go build -v -trimpath -ldflags '-X "main.version=${VERSION}"' -o ${BIN_OUTPUT} ${MAIN_DIRECTORY}
+
+test: clean
+	go test -cover ./...

go.mod

@@ -1,5 +1,7 @@
 module github.com/middelink/mikrotik-fwban
 
+go 1.15
+
 require (
 	github.com/google/gops v0.3.5
 	github.com/howeyc/fsnotify v0.9.0
@@ -9,4 +11,5 @@ require (
 	gopkg.in/routeros.v2 v2.0.0-20171228113335-2dc19c12445c
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v2 v2.2.2
+	launchpad.net/gocheck v0.0.0-20140225173054-000000000087 // indirect
 )

go.sum

@@ -16,3 +16,5 @@ gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+launchpad.net/gocheck v0.0.0-20140225173054-000000000087 h1:Izowp2XBH6Ya6rv+hqbceQyw/gSGoXfH/UPoTGduL54=
+launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM=

main.go

@@ -22,6 +22,7 @@ import (
 	"net"
 	"os"
 	"os/signal"
+	"runtime"
 	"strings"
 	"syscall"
 	"time"
@@ -41,8 +42,10 @@ var (
 	debug         = flag.Bool("debug", false, "Be absolutely staggering in our logging.")
 	verbose       = flag.Bool("verbose", false, "Be more verbose in our logging.")
 	configchanged = flag.Bool("configchange", false, "Exit process when config file changes.")
+	hasVersion    = flag.Bool("version", false, "output version information and exit")
 
-	cfg Config
+	version = "dev"
+	cfg     Config
 )
 
 func setFlags(flags ...string) error {
@@ -61,6 +64,11 @@ func setFlags(flags ...string) error {
 
 func main() {
 	setFlags()
+	if *hasVersion {
+		fmt.Fprintf(flag.CommandLine.Output(), "mikrotik-fwban version %s %s/%s\n", version, runtime.GOOS, runtime.GOARCH)
+		return
+	}
+
 	var err error
 	cfg, err = newConfigFile(*filename, uint16(*port), Duration(*blocktime), *autodelete, *verbose)
 	if err != nil {

vendor/modules.txt

@@ -1,24 +1,34 @@
 # github.com/google/gops v0.3.5
+## explicit
 github.com/google/gops/agent
 github.com/google/gops/internal
 github.com/google/gops/signal
 # github.com/howeyc/fsnotify v0.9.0
+## explicit
 github.com/howeyc/fsnotify
 # github.com/jeromer/syslogparser v0.0.0-20180622150051-323c7ad120db
+## explicit
 github.com/jeromer/syslogparser
 github.com/jeromer/syslogparser/rfc3164
 github.com/jeromer/syslogparser/rfc5424
 # github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1
+## explicit
 github.com/kardianos/osext
 # gopkg.in/gcfg.v1 v1.2.3
+## explicit
 gopkg.in/gcfg.v1
 gopkg.in/gcfg.v1/scanner
 gopkg.in/gcfg.v1/token
 gopkg.in/gcfg.v1/types
 # gopkg.in/routeros.v2 v2.0.0-20171228113335-2dc19c12445c
+## explicit
 gopkg.in/routeros.v2
 gopkg.in/routeros.v2/proto
 # gopkg.in/warnings.v0 v0.1.2
+## explicit
 gopkg.in/warnings.v0
 # gopkg.in/yaml.v2 v2.2.2
+## explicit
 gopkg.in/yaml.v2
+# launchpad.net/gocheck v0.0.0-20140225173054-000000000087
+## explicit