refactor(10.2-01): nest framework packages under modules

- Move remaining beach packages and embedded admin assets\n- Rewrite framework, example, build, and gate paths

modules/bonfire/prompts.go

@@ -0,0 +1,133 @@
+package bonfire
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+	"strings"
+
+	"golang.org/x/term"
+)
+
+func (c *console) Ask(question, def string) (string, error) {
+	c.writeQuestion(question, def)
+	line, err := c.readLine()
+	if err != nil {
+		if err == io.EOF {
+			return def, nil
+		}
+		return "", err
+	}
+	if line == "" {
+		return def, nil
+	}
+	return line, nil
+}
+
+func (c *console) Confirm(question string, def bool) (bool, error) {
+	if !c.interactive {
+		return def, nil
+	}
+	hint := "y/N"
+	if def {
+		hint = "Y/n"
+	}
+	line, err := c.Ask(question+" ["+hint+"]", "")
+	if err != nil {
+		return false, err
+	}
+	if line == "" {
+		return def, nil
+	}
+	switch strings.ToLower(line) {
+	case "y", "yes":
+		return true, nil
+	case "n", "no":
+		return false, nil
+	default:
+		return def, nil
+	}
+}
+
+func (c *console) Choice(question string, choices []string, def int) (string, error) {
+	if len(choices) == 0 {
+		return "", fmt.Errorf("bonfire: choice has no options")
+	}
+	if def < 0 || def >= len(choices) {
+		def = 0
+	}
+	c.Println(c.style(ansiCyan, symPrompt) + " " + question)
+	for i, choice := range choices {
+		mark := " "
+		if i == def {
+			mark = "*"
+		}
+		c.Printf("  %s %d) %s\n", mark, i+1, choice)
+	}
+	line, err := c.readLine()
+	if err != nil {
+		if err == io.EOF {
+			return choices[def], nil
+		}
+		return "", err
+	}
+	if line == "" {
+		return choices[def], nil
+	}
+	n, convErr := strconv.Atoi(line)
+	if convErr != nil || n < 1 || n > len(choices) {
+		return choices[def], nil
+	}
+	return choices[n-1], nil
+}
+
+// Secret reads a hidden password on a TTY via term.ReadPassword.
+// When stdin is not a terminal it reads a plain line and never logs the value.
+func (c *console) Secret(question string) (string, error) {
+	c.writeQuestion(question, "")
+	if f, ok := c.in.(*os.File); ok && term.IsTerminal(int(f.Fd())) {
+		b, err := term.ReadPassword(int(f.Fd()))
+		c.Println()
+		if err != nil {
+			return "", err
+		}
+		return string(b), nil
+	}
+	line, err := c.readLine()
+	if err != nil {
+		if err == io.EOF {
+			return "", nil
+		}
+		return "", err
+	}
+	return line, nil
+}
+
+func (c *console) writeQuestion(question, def string) {
+	suffix := ""
+	if def != "" {
+		suffix = " " + c.dim("("+def+")")
+	}
+	c.Printf("%s %s%s %s ", c.style(ansiCyan, symPrompt), question, suffix, symArrow)
+}
+
+func (c *console) readLine() (string, error) {
+	if c.in == nil {
+		return "", io.EOF
+	}
+	reader, ok := c.in.(*bufio.Reader)
+	if !ok {
+		reader = bufio.NewReader(c.in)
+	}
+	line, err := reader.ReadString('\n')
+	line = strings.TrimRight(line, "\r\n")
+	if err != nil && err != io.EOF {
+		return "", err
+	}
+	if err == io.EOF && line == "" {
+		return "", io.EOF
+	}
+	return strings.TrimSpace(line), nil
+}