Removed some dead code

pkg/app/app.go

@@ -56,17 +56,6 @@ func (app *App) Run() error {
 	return err
 }
 
-// Close closes any resources
-func (app *App) Close() error {
-	for _, closer := range app.closers {
-		err := closer.Close()
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
 type errorMapping struct {
 	originalError string
 	newError      string

pkg/commands/exec_live_default.go

@@ -1,100 +0,0 @@
-// +build !windows
-
-package commands
-
-import (
-	"bufio"
-	"bytes"
-	"os"
-	"strings"
-	"unicode/utf8"
-
-	"github.com/go-errors/errors"
-
-	"github.com/jesseduffield/pty"
-	"github.com/mgutz/str"
-)
-
-// RunCommandWithOutputLiveWrapper runs a command and return every word that gets written in stdout
-// Output is a function that executes by every word that gets read by bufio
-// As return of output you need to give a string that will be written to stdin
-// NOTE: If the return data is empty it won't written anything to stdin
-func RunCommandWithOutputLiveWrapper(c *OSCommand, command string, output func(string) string) error {
-	splitCmd := str.ToArgv(command)
-	cmd := c.command(splitCmd[0], splitCmd[1:]...)
-
-	cmd.Env = os.Environ()
-	cmd.Env = append(cmd.Env, "LANG=en_US.UTF-8", "LC_ALL=en_US.UTF-8")
-
-	var stderr bytes.Buffer
-	cmd.Stderr = &stderr
-
-	ptmx, err := pty.Start(cmd)
-
-	if err != nil {
-		return err
-	}
-
-	go func() {
-		scanner := bufio.NewScanner(ptmx)
-		scanner.Split(scanWordsWithNewLines)
-		for scanner.Scan() {
-			toOutput := strings.Trim(scanner.Text(), " ")
-			_, _ = ptmx.WriteString(output(toOutput))
-		}
-	}()
-
-	err = cmd.Wait()
-	ptmx.Close()
-	if err != nil {
-		return errors.New(stderr.String())
-	}
-
-	return nil
-}
-
-// scanWordsWithNewLines is a copy of bufio.ScanWords but this also captures new lines
-// For specific comments about this function take a look at: bufio.ScanWords
-func scanWordsWithNewLines(data []byte, atEOF bool) (advance int, token []byte, err error) {
-	start := 0
-	for width := 0; start < len(data); start += width {
-		var r rune
-		r, width = utf8.DecodeRune(data[start:])
-		if !isSpace(r) {
-			break
-		}
-	}
-	for width, i := 0, start; i < len(data); i += width {
-		var r rune
-		r, width = utf8.DecodeRune(data[i:])
-		if isSpace(r) {
-			return i + width, data[start:i], nil
-		}
-	}
-	if atEOF && len(data) > start {
-		return len(data), data[start:], nil
-	}
-	return start, nil, nil
-}
-
-// isSpace is also copied from the bufio package and has been modified to also captures new lines
-// For specific comments about this function take a look at: bufio.isSpace
-func isSpace(r rune) bool {
-	if r <= '\u00FF' {
-		switch r {
-		case ' ', '\t', '\v', '\f':
-			return true
-		case '\u0085', '\u00A0':
-			return true
-		}
-		return false
-	}
-	if '\u2000' <= r && r <= '\u200a' {
-		return true
-	}
-	switch r {
-	case '\u1680', '\u2028', '\u2029', '\u202f', '\u205f', '\u3000':
-		return true
-	}
-	return false
-}

pkg/commands/exec_live_win.go

@@ -1,9 +0,0 @@
-// +build windows
-
-package commands
-
-// RunCommandWithOutputLiveWrapper runs a command live but because of windows compatibility this command can't be ran there
-// TODO: Remove this hack and replace it with a proper way to run commands live on windows
-func RunCommandWithOutputLiveWrapper(c *OSCommand, command string, output func(string) string) error {
-	return c.RunCommand(command)
-}

pkg/commands/os.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"regexp"
 	"strings"
 	"sync"
 	"syscall"
@@ -87,36 +86,6 @@ func (c *OSCommand) ExecutableFromString(commandStr string) *exec.Cmd {
 	return c.command(splitCmd[0], splitCmd[1:]...)
 }
 
-// RunCommandWithOutputLive runs RunCommandWithOutputLiveWrapper
-func (c *OSCommand) RunCommandWithOutputLive(command string, output func(string) string) error {
-	return RunCommandWithOutputLiveWrapper(c, command, output)
-}
-
-// DetectUnamePass detect a username / password question in a command
-// ask is a function that gets executen when this function detect you need to fillin a password
-// The ask argument will be "username" or "password" and expects the user's password or username back
-func (c *OSCommand) DetectUnamePass(command string, ask func(string) string) error {
-	ttyText := ""
-	errMessage := c.RunCommandWithOutputLive(command, func(word string) string {
-		ttyText = ttyText + " " + word
-
-		prompts := map[string]string{
-			"password": `Password\s*for\s*'.+':`,
-			"username": `Username\s*for\s*'.+':`,
-		}
-
-		for askFor, pattern := range prompts {
-			if match, _ := regexp.MatchString(pattern, ttyText); match {
-				ttyText = ""
-				return ask(askFor)
-			}
-		}
-
-		return ""
-	})
-	return errMessage
-}
-
 // RunCommand runs a command and just returns the error
 func (c *OSCommand) RunCommand(command string) error {
 	_, err := c.RunCommandWithOutput(command)

pkg/gui/confirmation_panel.go

@@ -98,10 +98,6 @@ func (gui *Gui) onNewPopupPanel() {
 	}
 }
 
-func (gui *Gui) createLoaderPanel(g *gocui.Gui, currentView *gocui.View, prompt string) error {
-	return gui.createPopupPanel(g, currentView, "", prompt, true, nil, nil)
-}
-
 // it is very important that within this function we never include the original prompt in any error messages, because it may contain e.g. a user password
 func (gui *Gui) createConfirmationPanel(g *gocui.Gui, currentView *gocui.View, title, prompt string, handleConfirm, handleClose func(*gocui.Gui, *gocui.View) error) error {
 	return gui.createPopupPanel(g, currentView, title, prompt, false, handleConfirm, handleClose)
@@ -148,10 +144,6 @@ func (gui *Gui) setKeyBindings(g *gocui.Gui, handleConfirm, handleClose func(*go
 	return nil
 }
 
-func (gui *Gui) createMessagePanel(g *gocui.Gui, currentView *gocui.View, title, prompt string) error {
-	return gui.createPopupPanel(g, currentView, title, prompt, false, nil, nil)
-}
-
 // createSpecificErrorPanel allows you to create an error popup, specifying the
 //  view to be focused when the user closes the popup, and a boolean specifying
 // whether we will log the error. If the message may include a user password,

pkg/gui/gui.go

@@ -177,10 +177,6 @@ func NewGui(log *logrus.Entry, dockerCommand *commands.DockerCommand, oSCommand
 	return gui, nil
 }
 
-func (gui *Gui) handleRefresh(g *gocui.Gui, v *gocui.View) error {
-	return gui.refreshSidePanels(g)
-}
-
 func max(a, b int) int {
 	if a > b {
 		return a

pkg/gui/view_helpers.go

@@ -144,11 +144,6 @@ func (gui *Gui) switchFocus(g *gocui.Gui, oldView, newView *gocui.View) error {
 	return gui.newLineFocused(newView)
 }
 
-func (gui *Gui) resetOrigin(v *gocui.View) error {
-	_ = v.SetCursor(0, 0)
-	return v.SetOrigin(0, 0)
-}
-
 // if the cursor down past the last item, move it to the last line
 func (gui *Gui) focusPoint(selectedX int, selectedY int, lineCount int, v *gocui.View) error {
 	if selectedY < 0 || selectedY > lineCount {
@@ -317,28 +312,6 @@ func (gui *Gui) changeSelectedLine(line *int, total int, up bool) {
 	}
 }
 
-func (gui *Gui) refreshSelectedLine(line *int, total int) {
-	if *line == -1 && total > 0 {
-		*line = 0
-	} else if total-1 < *line {
-		*line = total - 1
-	}
-}
-
-func (gui *Gui) renderListPanel(v *gocui.View, items interface{}) error {
-	gui.g.Update(func(g *gocui.Gui) error {
-		isFocused := gui.g.CurrentView().Name() == v.Name()
-		list, err := utils.RenderList(items, utils.IsFocused(isFocused))
-		if err != nil {
-			return gui.createErrorPanel(gui.g, err.Error())
-		}
-		v.Clear()
-		fmt.Fprint(v, list)
-		return nil
-	})
-	return nil
-}
-
 func (gui *Gui) renderPanelOptions() error {
 	currentView := gui.g.CurrentView()
 	switch currentView.Name() {
@@ -348,11 +321,6 @@ func (gui *Gui) renderPanelOptions() error {
 	return gui.renderGlobalOptions()
 }
 
-func (gui *Gui) handleFocusView(g *gocui.Gui, v *gocui.View) error {
-	_, err := gui.g.SetCurrentView(v.Name())
-	return err
-}
-
 func (gui *Gui) isPopupPanel(viewName string) bool {
 	return viewName == "confirmation" || viewName == "menu"
 }

pkg/test/utils.go

@@ -1,45 +0,0 @@
-package test
-
-import (
-	"fmt"
-	"os/exec"
-	"strings"
-	"testing"
-
-	"github.com/mgutz/str"
-	"github.com/stretchr/testify/assert"
-)
-
-// CommandSwapper takes a command, verifies that it is what it's expected to be
-// and then returns a replacement command that will actually be called by the os
-type CommandSwapper struct {
-	Expect  string
-	Replace string
-}
-
-// SwapCommand verifies the command is what we expected, and swaps it out for a different command
-func (i *CommandSwapper) SwapCommand(t *testing.T, cmd string, args []string) *exec.Cmd {
-	splitCmd := str.ToArgv(i.Expect)
-	assert.EqualValues(t, splitCmd[0], cmd, fmt.Sprintf("received command: %s %s", cmd, strings.Join(args, " ")))
-	if len(splitCmd) > 1 {
-		assert.EqualValues(t, splitCmd[1:], args, fmt.Sprintf("received command: %s %s", cmd, strings.Join(args, " ")))
-	}
-
-	splitCmd = str.ToArgv(i.Replace)
-	return exec.Command(splitCmd[0], splitCmd[1:]...)
-}
-
-// CreateMockCommand creates a command function that will verify its receiving the right sequence of commands from lazydocker
-func CreateMockCommand(t *testing.T, swappers []*CommandSwapper) func(cmd string, args ...string) *exec.Cmd {
-	commandIndex := 0
-
-	return func(cmd string, args ...string) *exec.Cmd {
-		var command *exec.Cmd
-		if commandIndex > len(swappers)-1 {
-			assert.Fail(t, fmt.Sprintf("too many commands run. This command was (%s %s)", cmd, strings.Join(args, " ")))
-		}
-		command = swappers[commandIndex].SwapCommand(t, cmd, args)
-		commandIndex++
-		return command
-	}
-}

pkg/utils/utils.go

@@ -2,7 +2,6 @@ package utils
 
 import (
 	"bytes"
-	"encoding/json"
 	"fmt"
 	"html/template"
 	"math"
@@ -59,15 +58,6 @@ func ColoredStringDirect(str string, colour *color.Color) string {
 	return colour.SprintFunc()(fmt.Sprint(str))
 }
 
-// TrimTrailingNewline - Trims the trailing newline
-// TODO: replace with `chomp` after refactor
-func TrimTrailingNewline(str string) string {
-	if strings.HasSuffix(str, "\n") {
-		return str[:len(str)-1]
-	}
-	return str
-}
-
 // NormalizeLinefeeds - Removes all Windows and Mac style line feeds
 func NormalizeLinefeeds(str string) string {
 	str = strings.Replace(str, "\r\n", "\n", -1)
@@ -92,14 +82,6 @@ func ResolvePlaceholderString(str string, arguments map[string]string) string {
 	return str
 }
 
-// Min returns the minimum of two integers
-func Min(x, y int) int {
-	if x < y {
-		return x
-	}
-	return y
-}
-
 // Max returns the maximum of two integers
 func Max(x, y int) int {
 	if x > y {
@@ -240,42 +222,6 @@ func getDisplayStringArrays(displayables []Displayable, isFocused bool) [][]stri
 	return stringArrays
 }
 
-// IncludesString if the list contains the string
-func IncludesString(list []string, a string) bool {
-	for _, b := range list {
-		if b == a {
-			return true
-		}
-	}
-	return false
-}
-
-// NextIndex returns the index of the element that comes after the given number
-func NextIndex(numbers []int, currentNumber int) int {
-	for index, number := range numbers {
-		if number > currentNumber {
-			return index
-		}
-	}
-	return 0
-}
-
-// PrevIndex returns the index that comes before the given number, cycling if we reach the end
-func PrevIndex(numbers []int, currentNumber int) int {
-	end := len(numbers) - 1
-	for i := end; i >= 0; i -= 1 {
-		if numbers[i] < currentNumber {
-			return i
-		}
-	}
-	return end
-}
-
-func AsJson(i interface{}) string {
-	bytes, _ := json.MarshalIndent(i, "", "    ")
-	return string(bytes)
-}
-
 func FormatBinaryBytes(b int) string {
 	n := float64(b)
 	units := []string{"B", "kiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"}

pkg/utils/utils_test.go

@@ -62,29 +62,6 @@ func TestWithPadding(t *testing.T) {
 	}
 }
 
-// TestTrimTrailingNewline is a function.
-func TestTrimTrailingNewline(t *testing.T) {
-	type scenario struct {
-		str      string
-		expected string
-	}
-
-	scenarios := []scenario{
-		{
-			"hello world !\n",
-			"hello world !",
-		},
-		{
-			"hello world !",
-			"hello world !",
-		},
-	}
-
-	for _, s := range scenarios {
-		assert.EqualValues(t, s.expected, TrimTrailingNewline(s.str))
-	}
-}
-
 // TestNormalizeLinefeeds is a function.
 func TestNormalizeLinefeeds(t *testing.T) {
 	type scenario struct {
@@ -403,173 +380,3 @@ func TestGetPadWidths(t *testing.T) {
 		assert.EqualValues(t, s.expected, getPadWidths(s.stringArrays))
 	}
 }
-
-// TestMin is a function.
-func TestMin(t *testing.T) {
-	type scenario struct {
-		a        int
-		b        int
-		expected int
-	}
-
-	scenarios := []scenario{
-		{
-			1,
-			1,
-			1,
-		},
-		{
-			1,
-			2,
-			1,
-		},
-		{
-			2,
-			1,
-			1,
-		},
-	}
-
-	for _, s := range scenarios {
-		assert.EqualValues(t, s.expected, Min(s.a, s.b))
-	}
-}
-
-// TestIncludesString is a function.
-func TestIncludesString(t *testing.T) {
-	type scenario struct {
-		list     []string
-		element  string
-		expected bool
-	}
-
-	scenarios := []scenario{
-		{
-			[]string{"a", "b"},
-			"a",
-			true,
-		},
-		{
-			[]string{"a", "b"},
-			"c",
-			false,
-		},
-		{
-			[]string{"a", "b"},
-			"",
-			false,
-		},
-		{
-			[]string{""},
-			"",
-			true,
-		},
-	}
-
-	for _, s := range scenarios {
-		assert.EqualValues(t, s.expected, IncludesString(s.list, s.element))
-	}
-}
-
-func TestNextIndex(t *testing.T) {
-	type scenario struct {
-		testName string
-		list     []int
-		element  int
-		expected int
-	}
-
-	scenarios := []scenario{
-		{
-			// I'm not really fussed about how it behaves here
-			"no elements",
-			[]int{},
-			1,
-			0,
-		},
-		{
-			"one element",
-			[]int{1},
-			1,
-			0,
-		},
-		{
-			"two elements",
-			[]int{1, 2},
-			1,
-			1,
-		},
-		{
-			"two elements, giving second one",
-			[]int{1, 2},
-			2,
-			0,
-		},
-		{
-			"three elements, giving second one",
-			[]int{1, 2, 3},
-			2,
-			2,
-		},
-	}
-
-	for _, s := range scenarios {
-		t.Run(s.testName, func(t *testing.T) {
-			assert.EqualValues(t, s.expected, NextIndex(s.list, s.element))
-		})
-	}
-}
-
-func TestPrevIndex(t *testing.T) {
-	type scenario struct {
-		testName string
-		list     []int
-		element  int
-		expected int
-	}
-
-	scenarios := []scenario{
-		{
-			// I'm not really fussed about how it behaves here
-			"no elements",
-			[]int{},
-			1,
-			-1,
-		},
-		{
-			"one element",
-			[]int{1},
-			1,
-			0,
-		},
-		{
-			"two elements",
-			[]int{1, 2},
-			1,
-			1,
-		},
-		{
-			"three elements, giving second one",
-			[]int{1, 2, 3},
-			2,
-			0,
-		},
-	}
-
-	for _, s := range scenarios {
-		t.Run(s.testName, func(t *testing.T) {
-			assert.EqualValues(t, s.expected, PrevIndex(s.list, s.element))
-		})
-	}
-}
-
-func TestAsJson(t *testing.T) {
-	type myStruct struct {
-		a string
-	}
-
-	output := AsJson(&myStruct{a: "foo"})
-
-	// no idea why this is returning empty hashes but it's works in the app ¯\_(ツ)_/¯
-	assert.EqualValues(t, "{}", output)
-}