feat: yes|gum confirm

confirm/command.go

@@ -7,12 +7,25 @@ import (
 
 	"github.com/charmbracelet/bubbles/help"
 	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/gum/internal/stdin"
 	"github.com/charmbracelet/gum/internal/timeout"
 )
 
+var errNotConfirmed = errors.New("not confirmed")
+
 // Run provides a shell script interface for prompting a user to confirm an
 // action with an affirmative or negative answer.
 func (o Options) Run() error {
+	line, err := stdin.ReadLine()
+	if err == nil {
+		switch line {
+		case "yes", "y":
+			return nil
+		default:
+			return errNotConfirmed
+		}
+	}
+
 	ctx, cancel := timeout.Context(o.Timeout)
 	defer cancel()
 
@@ -52,5 +65,5 @@ func (o Options) Run() error {
 		return nil
 	}
 
-	return errors.New("not confirmed")
+	return errNotConfirmed
 }

internal/stdin/stdin.go

@@ -2,6 +2,7 @@
 
 import (
 	"bufio"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -10,10 +11,12 @@
 	"github.com/charmbracelet/x/ansi"
 )
 
+var ErrEmpty = errors.New("stdin is empty")
+
 // Read reads input from an stdin pipe.
 func Read() (string, error) {
 	if IsEmpty() {
-		return "", fmt.Errorf("stdin is empty")
+		return "", ErrEmpty
 	}
 
 	reader := bufio.NewReader(os.Stdin)
@@ -39,6 +42,16 @@
 	return ansi.Strip(s), err
 }
 
+// ReadLine reads only one line and returns it.
+func ReadLine() (string, error) {
+	if IsEmpty() {
+		return "", ErrEmpty
+	}
+	reader := bufio.NewReader(os.Stdin)
+	line, _, err := reader.ReadLine()
+	return strings.TrimSpace(string(line)), err
+}
+
 // IsEmpty returns whether stdin is empty.
 func IsEmpty() bool {
 	stat, err := os.Stdin.Stat()