🐛 Program should still halt even with spinner

cli/context/signal.go

@@ -0,0 +1,21 @@
+package context
+
+import (
+	"context"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func SelfCancelingCotext(ctx context.Context) (context.Context, context.CancelFunc) {
+	c, done := context.WithCancel(ctx)
+	ch := make(chan os.Signal, 1)
+	signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
+	go func() {
+		for range ch {
+			done()
+		}
+	}()
+
+	return c, done
+}

cli/spin/spin.go

@@ -94,7 +94,12 @@ func (s *spin) Err() error {
 }
 
 func Spin(ctx context.Context, message string) Spinner {
-	p := tea.NewProgram(newModel(message), tea.WithContext(ctx))
+	p := tea.NewProgram(
+		newModel(message),
+		tea.WithContext(ctx),
+		tea.WithoutSignalHandler(),
+		tea.WithInput(nil),
+	)
 	s := &spin{p: p, finished: make(chan struct{}, 1)}
 	go func() {
 		_, err := s.p.Run()

cmd/cool-down/main.go

@@ -4,12 +4,15 @@ import (
 	"context"
 
 	"codeberg.org/danjones000/utils/chill"
+	c "codeberg.org/danjones000/utils/cli/context"
 	e "codeberg.org/danjones000/utils/cli/err"
 	"codeberg.org/danjones000/utils/cli/spin"
 )
 
 func main() {
-	ctx := chill.Chill(context.Background())
+	ctx, done := c.SelfCancelingCotext(context.Background())
+	defer done()
+	ctx = chill.Chill(ctx)
 	s := spin.Spin(ctx, "Waiting for CPU to cool...")
 	err := s.Wait()
 	e.HandleErr(err)