replaced archived survey dep with osutils.YesNoPrompt helper

tools/osutils/cmd.go

@@ -1,8 +1,12 @@
 package osutils
 
 import (
+	"bufio"
+	"fmt"
+	"os"
 	"os/exec"
 	"runtime"
+	"strings"
 
 	"github.com/go-ozzo/ozzo-validation/v4/is"
 )
@@ -29,3 +33,33 @@ func LaunchURL(url string) error {
 		return exec.Command("xdg-open", url).Start()
 	}
 }
+
+// YesNoPrompt performs a console prompt that asks the user for Yes/No answer.
+//
+// If the user just press Enter (aka. doesn't type anything) it returns the fallback value.
+func YesNoPrompt(message string, fallback bool) bool {
+	options := "Y/n"
+	if !fallback {
+		options = "y/N"
+	}
+
+	r := bufio.NewReader(os.Stdin)
+
+	var s string
+	for {
+		fmt.Fprintf(os.Stderr, "%s (%s) ", message, options)
+
+		s, _ = r.ReadString('\n')
+
+		s = strings.ToLower(strings.TrimSpace(s))
+
+		switch s {
+		case "":
+			return fallback
+		case "y", "yes":
+			return true
+		case "n", "no":
+			return false
+		}
+	}
+}

tools/osutils/cmd_test.go

@@ -0,0 +1,66 @@
+package osutils_test
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/pocketbase/pocketbase/tools/osutils"
+)
+
+func TestYesNoPrompt(t *testing.T) {
+	scenarios := []struct {
+		stdin    string
+		fallback bool
+		expected bool
+	}{
+		{"", false, false},
+		{"", true, true},
+
+		// yes
+		{"y", false, true},
+		{"Y", false, true},
+		{"Yes", false, true},
+		{"yes", false, true},
+
+		// no
+		{"n", true, false},
+		{"N", true, false},
+		{"No", true, false},
+		{"no", true, false},
+
+		// invalid -> no/yes
+		{"invalid|no", true, false},
+		{"invalid|yes", false, true},
+	}
+
+	for _, s := range scenarios {
+		t.Run(fmt.Sprintf("%s_%v", s.stdin, s.fallback), func(t *testing.T) {
+			stdinread, stdinwrite, err := os.Pipe()
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			parts := strings.Split(s.stdin, "|")
+			for _, p := range parts {
+				if _, err := stdinwrite.WriteString(p + "\n"); err != nil {
+					t.Fatalf("Failed to write test stdin part %q: %v", p, err)
+				}
+			}
+
+			if err = stdinwrite.Close(); err != nil {
+				t.Fatal(err)
+			}
+
+			defer func(oldStdin *os.File) { os.Stdin = oldStdin }(os.Stdin)
+			os.Stdin = stdinread
+
+			result := osutils.YesNoPrompt("test", s.fallback)
+
+			if result != s.expected {
+				t.Fatalf("Expected %v, got %v", s.expected, result)
+			}
+		})
+	}
+}