Custom HTTP User-Agent, move version to internal package

Makefile

@@ -1,7 +1,7 @@
 NAME := ndog
 
 VERSION := $(if $(VERSION),$(VERSION),$(shell git describe --tags --match 'v*' HEAD))
-LDFLAGS := -X main.Version=$(VERSION)
+LDFLAGS := -X github.com/isobit/ndog/internal/version.Version=$(VERSION)
 
 .PHONY: all build fmt test lint
 

internal/schemes/http/connect.go

@@ -12,6 +12,7 @@ import (
 	"github.com/isobit/ndog/internal"
 	"github.com/isobit/ndog/internal/log"
 	"github.com/isobit/ndog/internal/util"
+	"github.com/isobit/ndog/internal/version"
 )
 
 type connectOptions struct {
@@ -31,8 +32,10 @@ var connectOptionHelpGraphql = ndog.OptionsHelp{}.
 
 func extractConnectOptions(opts ndog.Options, subscheme string) (connectOptions, error) {
 	o := connectOptions{
-		Method:  "GET",
-		Headers: map[string]string{},
+		Method: "GET",
+		Headers: map[string]string{
+			"User-Agent": fmt.Sprintf("ndog/%s", version.Version),
+		},
 	}
 
 	switch subscheme {

internal/version/version.go

@@ -0,0 +1,3 @@
+package version
+
+var Version string = "unknown"

main.go

@@ -15,10 +15,9 @@ import (
 	ndog_log "github.com/isobit/ndog/internal/log"
 	"github.com/isobit/ndog/internal/schemes"
 	ndog_tls "github.com/isobit/ndog/internal/tls"
+	ndog_version "github.com/isobit/ndog/internal/version"
 )
 
-var Version string = "unknown"
-
 func main() {
 	if stderrStat, err := os.Stderr.Stat(); err == nil {
 		if stderrStat.Mode()&os.ModeCharDevice != 0 {
@@ -67,7 +66,7 @@ func (cmd Ndog) Run() error {
 		return schemeHelp(cmd.SchemeHelp)
 	}
 	if cmd.Version {
-		fmt.Fprintln(os.Stderr, Version)
+		fmt.Fprintln(os.Stderr, ndog_version.Version)
 		return nil
 	}