feat: bind context for signal termination

Author: smlx

cmd/go-cli-github/main.go

@@ -2,6 +2,11 @@
 package main
 
 import (
+	"context"
+	"os"
+	"os/signal"
+	"syscall"
+
 	"github.com/alecthomas/kong"
 )
 
@@ -12,10 +17,14 @@ type CLI struct {
 }
 
 func main() {
+	ctx, stop := signal.NotifyContext(
+		context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
 	// parse CLI config
 	cli := CLI{}
 	kctx := kong.Parse(&cli,
 		kong.UsageOnError(),
+		kong.BindFor(ctx),
 	)
 	// execute CLI
 	kctx.FatalIfErrorf(kctx.Run())

cmd/go-cli-github/serve.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"time"
 
@@ -11,7 +12,7 @@ import (
 type ServeCmd struct{}
 
 // Run the serve command.
-func (*ServeCmd) Run() error {
+func (*ServeCmd) Run(ctx context.Context) error {
 	fmt.Println(server.New(time.Now).Serve())
 	return nil
 }

cmd/go-cli-github/version.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"runtime"
@@ -18,7 +19,7 @@ var (
 type VersionCmd struct{}
 
 // Run the Version command.
-func (*VersionCmd) Run() error {
+func (*VersionCmd) Run(ctx context.Context) error {
 	v, err := json.Marshal(
 		struct {
 			ProjectName string