Назначение префикса и placeholder через переменные оболочки

cmd/app/main.go

@@ -5,41 +5,129 @@ import (
 	"os"
 	"strings"
 
-	"nshell/executor"
-	"nshell/suggestions"
+	"charm.land/bubbles/v2/textinput"
+	tea "charm.land/bubbletea/v2"
+	"charm.land/lipgloss/v2"
 
-	"github.com/c-bata/go-prompt"
-	"golang.org/x/term"
+	"nshell/executor"
 )
 
-var oldStateTerminal *term.State
+// Сообщение, которое сигнализирует о завершении работы внешней команды
+type processFinishedMsg struct{ err error }
 
-func getColor(color string) prompt.Color {
-	color = strings.ToUpper(color)
-	switch color {
-	case "CYAN":
-		return prompt.Cyan
-	case "RED":
-		return prompt.Red
-	default:
-		return prompt.Green
+type model struct {
+	textInput textinput.Model
+	lastInput string // Храним последнюю введенную строку для красивого лога
+	errText   string // Храним ошибку, если команда не найдена
+}
+
+func initialModel(placeholderText string, prefixText string) model {
+	ti := textinput.New()
+	ti.Placeholder = placeholderText
+	ti.Focus()
+	ti.CharLimit = 250
+	ti.SetWidth(60)
+
+	// НАСТРОЙКА TRUECOLOR
+	prefixStyle := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("#FF00FA")).
+		Bold(true)
+
+	ti.Prompt = prefixStyle.Render(prefixText)
+
+	return model{
+		textInput: ti,
+		lastInput: "",
+		errText:   "",
 	}
 }
 
+func (m model) Init() tea.Cmd {
+	return textinput.Blink
+}
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "ctrl+c":
+			m.textInput.SetValue("")
+			return m, nil
+		case "ctrl+d":
+			return m, tea.Quit
+
+		case "enter":
+			inputVal := m.textInput.Value()
+			m.textInput.SetValue("") // Очищаем поле ввода сразу
+			m.errText = ""           // Сбрасываем прошлые ошибки
+
+			if strings.TrimSpace(inputVal) == "" {
+				return m, nil
+			}
+
+			m.lastInput = inputVal
+
+			// Передаем ввод в наш executor для подготовки команды
+			c, err := executor.PrepareCommand(inputVal)
+			if err != nil {
+				if err == executor.ErrBuiltInExit {
+					return m, tea.Quit
+				}
+				// Если exec.LookPath не нашел бинарник в системе
+				m.errText = fmt.Sprintf("noko-shell: command not found: %s", strings.Fields(inputVal)[0])
+				return m, nil
+			}
+
+			// Универсальный запуск процесса (и для ls, и для nano/top/htop)
+			// Мы связываем IO процесса с системным, чтобы stderr и stdout вывелись в терминал напрямую.
+			c.Stdin = os.Stdin
+			c.Stdout = os.Stdout
+			c.Stderr = os.Stderr
+
+			// Вызываем ExecProcess, который сворачивает TUI, выполняет команду и возвращает управление
+			return m, tea.ExecProcess(c, func(err error) tea.Msg {
+				return processFinishedMsg{err: err}
+			})
+		}
+
+	case processFinishedMsg:
+		if msg.err != nil {
+			// Ошибка самого процесса (например, неверные флаги у команды)
+			m.errText = fmt.Sprintf("process exited with error: %v", msg.err)
+		}
+		return m, nil
+	}
+
+	var cmd tea.Cmd
+	m.textInput, cmd = m.textInput.Update(msg)
+	return m, cmd
+}
+
+func (m model) View() tea.View {
+	var s strings.Builder
+
+	if m.errText != "" {
+		errStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("#FF0000"))
+		s.WriteString(errStyle.Render(m.errText))
+		s.WriteString("\n")
+	}
+
+	s.WriteString(m.textInput.View())
+
+	// Возвращаем объект tea.View, обернув в него строку
+	return tea.NewView(s.String())
+}
+
 func main() {
-	fd := int(os.Stdin.Fd())
-	if state, err := term.GetState(fd); err == nil {
-		oldStateTerminal = state
-	}
-	fmt.Println("Wellcome to noko-shell(nshell) :3")
+	// Применение setup скрипта
+	executor.ExecSetUpScript()
+	placeholderText := executor.GetVariable("NSHELL_NO_TEXT_PLACEHOLDER")
+	prefixText := executor.GetVariable("NSHELL_PREFIX")
 
-	options := []prompt.Option{
-		prompt.OptionLivePrefix(func() (string, bool) {
-			return executor.GetVariable("NSHELL_PREFIX_TEXT"), true
-		}),
-		prompt.OptionPrefixTextColor(getColor(executor.GetVariable("NSHELL_PREFIX_COLOR"))),
+	// Запускаем программу
+	p := tea.NewProgram(initialModel(placeholderText, prefixText))
+	if _, err := p.Run(); err != nil {
+		fmt.Printf("Error running noko-shell: %v\n", err)
+		os.Exit(1)
 	}
-
-	p := prompt.New(executor.BuildExecutor(oldStateTerminal, &fd), suggestions.Completer, options...)
-	p.Run()
 }

executor/executor.go

@@ -2,67 +2,57 @@
 package executor
 
 import (
-	"fmt"
+	"errors"
 	"os"
 	"os/exec"
 	"strings"
-
-	"golang.org/x/term"
 )
 
-var localVars = make(map[string]string)
+var (
+	ErrBuiltInExit = errors.New("exit command")
+	localVars      = make(map[string]string)
+)
 
-func BuildExecutor(oldStateTerminal *term.State, fd *int) func(string) {
-	return func(line string) {
-		line = strings.TrimSpace(line)
-
-		if strings.Contains(line, "=") && !strings.HasPrefix(line, "export ") {
-			parts := strings.SplitN(line, "=", 2)
+func PrepareCommand(in string) (*exec.Cmd, error) {
+	in = strings.TrimSpace(in)
+	if in == "" {
+		return nil, nil
+	}
+	if strings.Contains(in, "=") && !strings.HasPrefix(in, "export ") {
+		parts := strings.SplitN(in, "=", 2)
 		key := strings.TrimSpace(parts[0])
 		value := strings.TrimSpace(parts[1])
 
 		localVars[key] = value
-			return
+		return nil, nil
 	}
 
-		line = os.Expand(line, GetVariable)
+	in = os.Expand(in, GetVariable)
+	in = strings.TrimSpace(in)
 
-		if line == "" {
-			return
+	parts := strings.Fields(in)
+	head := parts[0]
+	args := parts[1:]
+
+	if len(parts) == 0 {
+		return nil, nil // Если после os.Expand строка стала пустой, безопасно выходим
 	}
 
-		args := strings.Fields(line)
-		command := args[0]
-		commandArgs := args[1:]
-
-		if command == "exit" {
-			fmt.Println("Bye Bye my small deer :3")
-			if oldStateTerminal != nil {
-				_ = term.Restore(*fd, oldStateTerminal)
-			}
-			os.Exit(0)
+	switch head {
+	case "exit":
+		return nil, ErrBuiltInExit
+	case "help":
+		return exec.Command("echo", "noko-shell: available commands: any system command, help, exit"), nil
 	}
 
-		if command == "cd" {
-			if len(commandArgs) < 1 {
-				fmt.Fprintln(os.Stderr, "cd: argument was skipped")
-				return
-			}
-			if err := os.Chdir(commandArgs[0]); err != nil {
-				fmt.Fprintln(os.Stderr, err)
-			}
-			return
+	// Поиск системной утилиты в PATH (авто-проверка на существование)
+	fullPath, err := exec.LookPath(head)
+	if err != nil {
+		return nil, err
 	}
 
-		cmd := exec.Command(command, commandArgs...)
-		cmd.Stdin = os.Stdin
-		cmd.Stdout = os.Stdout
-		cmd.Stderr = os.Stderr
-
-		if err := cmd.Run(); err != nil {
-			fmt.Fprintf(os.Stderr, "Execution error: %v\n", err)
-		}
-	}
+	// Возвращаем подготовленный процесс
+	return exec.Command(fullPath, args...), nil
 }
 
 func GetVariable(key string) string {

executor/setup_script.go

@@ -0,0 +1,44 @@
+package executor
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+const defaultStartScript string = `
+echo meow meow
+NSHELL_NO_TEXT_PLACEHOLDER=Type Noko Meow Meow
+NSHELL_PREFIX=noko> 
+`
+
+func ExecSetUpScript() {
+	scanner := bufio.NewScanner(strings.NewReader(defaultStartScript))
+	for scanner.Scan() {
+		line := scanner.Text()
+		cmd, err := PrepareCommand(line)
+		if err != nil {
+			fmt.Printf("Error %s\n", err.Error())
+		}
+		if err != nil {
+			fmt.Printf("Error preparing command: %s\n", err.Error())
+			continue
+		}
+
+		if cmd == nil {
+			continue
+		}
+
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+
+		err = cmd.Run()
+		if err != nil {
+			fmt.Printf("Ошибка при выполнении команды: %s\n", err.Error())
+		}
+	}
+	if err := scanner.Err(); err != nil {
+		fmt.Println("Ошибка чтения:", err)
+	}
+}

go.mod

@@ -1,17 +1,28 @@
 module nshell
 
-go 1.27.2
+go 1.26.8
 
 require (
-	github.com/c-bata/go-prompt v0.2.6
-	golang.org/x/term v0.47.0
+	charm.land/bubbles/v2 v2.2.1
+	charm.land/bubbletea/v2 v2.1.0
+	charm.land/lipgloss/v2 v2.0.6
 )
 
 require (
-	github.com/mattn/go-colorable v0.1.7 // indirect
-	github.com/mattn/go-isatty v0.0.12 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
-	github.com/mattn/go-tty v0.0.3 // indirect
-	github.com/pkg/term v1.2.0-beta.2 // indirect
-	golang.org/x/sys v0.49.0 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/charmbracelet/colorprofile v0.4.3 // indirect
+	github.com/charmbracelet/ultraviolet v0.0.0-20261008173134-6b8d4baf91b4 // indirect
+	github.com/charmbracelet/x/ansi v0.11.9 // indirect
+	github.com/charmbracelet/x/term v0.2.2 // indirect
+	github.com/charmbracelet/x/termios v0.1.1 // indirect
+	github.com/charmbracelet/x/windows v0.2.2 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.4.1 // indirect
+	github.com/mattn/go-runewidth v0.0.30 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/xo/terminfo v1.0.0 // indirect
+	golang.org/x/sync v0.22.0 // indirect
+	golang.org/x/sys v0.47.0 // indirect
 )

go.sum

@@ -1,28 +1,44 @@
-github.com/c-bata/go-prompt v0.2.6 h1:POP+nrHE+DfLYx370bedwNhsqmpCUynWPxuHi0C5vZI=
-github.com/c-bata/go-prompt v0.2.6/go.mod h1:/LMAke8wD2FsNu9EXNdHxNLbd9MedkPnCdfpU9wwHfY=
-github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
-github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw=
-github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
-github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
-github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
-github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
-github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
-github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
-github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/mattn/go-tty v0.0.3 h1:5OfyWorkyO7xP52Mq7tB36ajHDG5OHrmBGIS/DtakQI=
-github.com/mattn/go-tty v0.0.3/go.mod h1:ihxohKRERHTVzN+aSVRwACLCeqIoZAWpoICkkvrWyR0=
-github.com/pkg/term v1.2.0-beta.2 h1:L3y/h2jkuBVFdWiJvNfYfKmzcCnILw7mJWm2JQuMppw=
-github.com/pkg/term v1.2.0-beta.2/go.mod h1:E25nymQcrSllhX42Ok8MRm1+hyBdHY0dCeiKZ9jpNGw=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200918174421-af09f7315aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.49.0 h1:XbzkgYJHdqh/8m2Uu0W/dQv8nktxx4BFHp1M0gROTXA=
-golang.org/x/sys v0.49.0/go.mod h1:hNLxWAXmnKAxqDtdwIYC4bM9oQPEecfsnNMuSxOs3og=
-golang.org/x/term v0.47.0 h1:cpyOwQkr2Nzxe2p6KnrTG7Ei2wtzjsuSjhpXXepZ/BM=
-golang.org/x/term v0.47.0/go.mod h1:efAfAuG6RKABvg1ArGebRkvX6LXul14SM67o2e4mUCY=
+charm.land/bubbles/v2 v2.2.1 h1:Fq1+qm5hV6GkvzLQDhCBpXXE5tLgvh1PRriCLwSvIQU=
+charm.land/bubbles/v2 v2.2.1/go.mod h1:wdMgn+sje1KNXdwFizIWjbf328fIUBxqEmJ/vYPo8yc=
+charm.land/bubbletea/v2 v2.1.0 h1:A9fj9h5LFrvQhQHFNggp8K8rvY6CUfgn9dMbb6p2HIw=
+charm.land/bubbletea/v2 v2.1.0/go.mod h1:xWHeyxIX9/wiFU2kgPW04ojOZyTzrWf+8lGjUCaftiU=
+charm.land/lipgloss/v2 v2.0.6 h1:EaGKeuA8FvF+v2BT5VmZd2LoYLaMZJXA5n34th8nCIQ=
+charm.land/lipgloss/v2 v2.0.6/go.mod h1:ipDDJNSGa1hlwDtSfW1s2/xR8Vdhbut4PXh2zEKZd0Q=
+github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
+github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
+github.com/aymanbagabas/go-udiff v0.4.1 h1:OEIrQ8maEeDBXQDoGCbbTTXYJMYRCRO1fnodZ12Gv5o=
+github.com/aymanbagabas/go-udiff v0.4.1/go.mod h1:0L9PGwj20lrtmEMeyw4WKJ/TMyDtvAoK9bf2u/mNo3w=
+github.com/charmbracelet/colorprofile v0.4.3 h1:QPa1IWkYI+AOB+fE+mg/5/4HRMZcaXex9t5KX76i20Q=
+github.com/charmbracelet/colorprofile v0.4.3/go.mod h1:/zT4BhpD5aGFpqQQqw7a+VtHCzu+zrQtt1zhMt9mR4Q=
+github.com/charmbracelet/ultraviolet v0.0.0-20261008173134-6b8d4baf91b4 h1:hISLzUbwcvJbGoNR6A3L/TpguRRnACBmZOee8LcHLJw=
+github.com/charmbracelet/ultraviolet v0.0.0-20261008173134-6b8d4baf91b4/go.mod h1:aJDVk+WOVM1K04rdc/71PMPoUGfjxjhvXfP3Pjz1Zio=
+github.com/charmbracelet/x/ansi v0.11.9 h1:kIrqLBxtTVbLyyHO2Evoi93EjQo1mylWmpNEsfPxXAM=
+github.com/charmbracelet/x/ansi v0.11.9/go.mod h1:DG/hpOnaI2QJ/KMMqLL2h0KVhluuJLazf8973P+Vy5w=
+github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f h1:pk6gmGpCE7F3FcjaOEKYriCvpmIN4+6OS/RD0vm4uIA=
+github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f/go.mod h1:IfZAMTHB6XkZSeXUqriemErjAWCCzT0LwjKFYCZyw0I=
+github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
+github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
+github.com/charmbracelet/x/termios v0.1.1 h1:o3Q2bT8eqzGnGPOYheoYS8eEleT5ZVNYNy8JawjaNZY=
+github.com/charmbracelet/x/termios v0.1.1/go.mod h1:rB7fnv1TgOPOyyKRJ9o+AsTU/vK5WHJ2ivHeut/Pcwo=
+github.com/charmbracelet/x/windows v0.2.2 h1:IofanmuvaxnKHuV04sC0eBy/smG6kIKrWG2/jYn2GuM=
+github.com/charmbracelet/x/windows v0.2.2/go.mod h1:/8XtdKZzedat74NQFn0NGlGL4soHB0YQZrETF96h75k=
+github.com/clipperhouse/displaywidth v0.11.0 h1:lBc6kY44VFw+TDx4I8opi/EtL9m20WSEFgwIwO+UVM8=
+github.com/clipperhouse/displaywidth v0.11.0/go.mod h1:bkrFNkf81G8HyVqmKGxsPufD3JhNl3dSqnGhOoSD/o0=
+github.com/clipperhouse/uax29/v2 v2.7.0 h1:+gs4oBZ2gPfVrKPthwbMzWZDaAFPGYK72F0NJv2v7Vk=
+github.com/clipperhouse/uax29/v2 v2.7.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
+github.com/lucasb-eyer/go-colorful v1.4.1 h1:1EO+WB73+EH8EVbzlrG3KLAfEypQWVHIBqlTf+2hNss=
+github.com/lucasb-eyer/go-colorful v1.4.1/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-runewidth v0.0.30 h1:+KUuiDA4fF0R1p5FeueHefjDm+GIM+kWfFnDjybOPgk=
+github.com/mattn/go-runewidth v0.0.30/go.mod h1:3qAiGCV4Koz/yuveO58qUefmUTRm8r0IGEXZ9jeHp/8=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/xo/terminfo v1.0.0 h1:2ZpYzqWzyyytjk3TP6aJVDhkMAkc99/1xKQdA3TDTBY=
+github.com/xo/terminfo v1.0.0/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
+golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/sync v0.22.0 h1:SZjpbeLmrCk4xhRSZFNZW5gFUeCeFgjekvI/+gfScek=
+golang.org/x/sync v0.22.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
+golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=

suggestions/suggestions.go

@@ -1,13 +1,19 @@
 // Package suggestions
 package suggestions
 
-import "github.com/c-bata/go-prompt"
+import "strings"
 
-var defaultSuggestions = []prompt.Suggest{
-	{Text: "exit", Description: "Exit from shell"},
-}
+var defaultSuggestions = []string{"exit"}
 
-func Completer(d prompt.Document) []prompt.Suggest {
-	// Если пользователь уже начал что-то писать, фильтруем список
-	return prompt.FilterHasPrefix(defaultSuggestions, d.GetWordBeforeCursor(), true)
+func Completer(in string) []string {
+	if in == "" {
+		return nil
+	}
+	var matched []string
+	for _, cmd := range defaultSuggestions {
+		if strings.HasPrefix(cmd, in) {
+			matched = append(matched, cmd)
+		}
+	}
+	return matched
 }