pkg/cli/prompt.go

@@ -102,14 +102,14 @@ func MultiSelect(label string, options []string) ([]string, error) {
 
 	r := newReader()
 	input, err := r.ReadString('\n')
-	if err != nil && strings.TrimSpace(input) == "" {
+	trimmed := strings.TrimSpace(input)
+	if err != nil && trimmed == "" {
 		return []string{}, nil
 	}
-	if err != nil {
+	if err != nil && !errors.Is(err, io.EOF) {
 		return nil, err
 	}
 
-	trimmed := strings.TrimSpace(input)
 	selected, parseErr := parseMultiSelection(trimmed, len(options))
 	if parseErr != nil {
 		return nil, fmt.Errorf("invalid selection %q: %w", trimmed, parseErr)

pkg/cli/prompt_test.go

@@ -137,6 +137,15 @@ func TestMultiSelect_Bad_EOFReturnsEmptySelection(t *testing.T) {
 	assert.Empty(t, vals)
 }
 
+func TestMultiSelect_Good_EOFWithInput(t *testing.T) {
+	SetStdin(strings.NewReader("1 3"))
+	defer SetStdin(nil)
+
+	vals, err := MultiSelect("Pick", []string{"a", "b", "c"})
+	assert.NoError(t, err)
+	assert.Equal(t, []string{"a", "c"}, vals)
+}
+
 func TestMultiSelect_Good_DedupesSelections(t *testing.T) {
 	SetStdin(strings.NewReader("1 1 2-3 2\n"))
 	defer SetStdin(nil)