appease linter

pkg/commands/container.go

@@ -83,13 +83,11 @@ type Details struct {
 		Binds           []string `json:"Binds"`
 		ContainerIDFile string   `json:"ContainerIDFile"`
 		LogConfig       struct {
-			Type   string `json:"Type"`
-			Config struct {
-			} `json:"Config"`
+			Type   string   `json:"Type"`
+			Config struct{} `json:"Config"`
 		} `json:"LogConfig"`
-		NetworkMode  string `json:"NetworkMode"`
-		PortBindings struct {
-		} `json:"PortBindings"`
+		NetworkMode   string   `json:"NetworkMode"`
+		PortBindings  struct{} `json:"PortBindings"`
 		RestartPolicy struct {
 			Name              string `json:"Name"`
 			MaximumRetryCount int    `json:"MaximumRetryCount"`
@@ -185,10 +183,8 @@ type Details struct {
 		Cmd          []string `json:"Cmd"`
 		Image        string   `json:"Image"`
 		Volumes      struct {
-			APIBundle struct {
-			} `json:"/api-bundle"`
-			App struct {
-			} `json:"/app"`
+			APIBundle struct{} `json:"/api-bundle"`
+			App       struct{} `json:"/app"`
 		} `json:"Volumes"`
 		WorkingDir string            `json:"WorkingDir"`
 		Entrypoint interface{}       `json:"Entrypoint"`

pkg/commands/container_stats.go

@@ -56,10 +56,9 @@ type ContainerStats struct {
 		IoTimeRecursive        []interface{} `json:"io_time_recursive"`
 		SectorsRecursive       []interface{} `json:"sectors_recursive"`
 	} `json:"blkio_stats"`
-	NumProcs     int `json:"num_procs"`
-	StorageStats struct {
-	} `json:"storage_stats"`
-	CPUStats struct {
+	NumProcs     int      `json:"num_procs"`
+	StorageStats struct{} `json:"storage_stats"`
+	CPUStats     struct {
 		CPUUsage struct {
 			TotalUsage        int64   `json:"total_usage"`
 			PercpuUsage       []int64 `json:"percpu_usage"`
@@ -161,7 +160,6 @@ func (s *ContainerStats) CalculateContainerCPUPercentage() float64 {
 
 // CalculateContainerMemoryUsage calculates the memory usage of the container as a percent of total available memory
 func (s *ContainerStats) CalculateContainerMemoryUsage() float64 {
-
 	value := float64(s.MemoryStats.Usage*100) / float64(s.MemoryStats.Limit)
 	if math.IsNaN(value) {
 		return 0

pkg/commands/docker.go

@@ -68,7 +68,7 @@ type CommandObject struct {
 // NewCommandObject takes a command object and returns a default command object with the passed command object merged in
 func (c *DockerCommand) NewCommandObject(obj CommandObject) CommandObject {
 	defaultObj := CommandObject{DockerCompose: c.Config.UserConfig.CommandTemplates.DockerCompose}
-	mergo.Merge(&defaultObj, obj)
+	_ = mergo.Merge(&defaultObj, obj)
 	return defaultObj
 }
 
@@ -139,7 +139,7 @@ func (c *DockerCommand) MonitorCLIContainerStats() {
 		return
 	}
 
-	cmd.Start()
+	_ = cmd.Start()
 
 	scanner := bufio.NewScanner(r)
 	scanner.Split(bufio.ScanLines)
@@ -160,7 +160,7 @@ func (c *DockerCommand) MonitorCLIContainerStats() {
 		c.ContainerMutex.Unlock()
 	}
 
-	cmd.Wait()
+	_ = cmd.Wait()
 }
 
 // MonitorClientContainerStats is a function
@@ -192,7 +192,7 @@ func (c *DockerCommand) createClientStatMonitor(container *Container) {
 	for scanner.Scan() {
 		data := scanner.Bytes()
 		var stats ContainerStats
-		json.Unmarshal(data, &stats)
+		_ = json.Unmarshal(data, &stats)
 
 		recordedStats := RecordedStats{
 			ClientStats: stats,

pkg/commands/image.go

@@ -2,9 +2,10 @@ package commands
 
 import (
 	"context"
-	"github.com/docker/docker/api/types/image"
 	"strings"
 
+	"github.com/docker/docker/api/types/image"
+
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/client"
@@ -27,7 +28,6 @@ type Image struct {
 
 // GetDisplayStrings returns the display string of Image
 func (i *Image) GetDisplayStrings(isFocused bool) []string {
-
 	return []string{i.Name, i.Tag, utils.FormatDecimalBytes(int(i.Image.Size))}
 }
 
@@ -87,7 +87,6 @@ func (l *Layer) GetDisplayStrings(isFocused bool) []string {
 
 // RenderHistory renders the history of the image
 func (i *Image) RenderHistory() (string, error) {
-
 	history, err := i.Client.ImageHistory(context.Background(), i.ID)
 	if err != nil {
 		return "", err

pkg/commands/os.go

@@ -190,7 +190,7 @@ func (c *OSCommand) Unquote(message string) string {
 
 // AppendLineToFile adds a new line in file
 func (c *OSCommand) AppendLineToFile(filename, line string) error {
-	f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+	f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0o600)
 	if err != nil {
 		return WrapError(err)
 	}
@@ -272,7 +272,6 @@ func (c *OSCommand) RunCustomCommand(command string) *exec.Cmd {
 
 // PipeCommands runs a heap of commands and pipes their inputs/outputs together like A | B | C
 func (c *OSCommand) PipeCommands(commandStrings ...string) error {
-
 	cmds := make([]*exec.Cmd, len(commandStrings))
 
 	for i, str := range commandStrings {

pkg/commands/os_test.go

@@ -235,7 +235,7 @@ func TestOSCommandFileType(t *testing.T) {
 		{
 			"testDirectory",
 			func() {
-				if err := os.Mkdir("testDirectory", 0644); err != nil {
+				if err := os.Mkdir("testDirectory", 0o644); err != nil {
 					panic(err)
 				}
 			},

pkg/commands/service.go

@@ -23,7 +23,6 @@ type Service struct {
 
 // GetDisplayStrings returns the dispaly string of Container
 func (s *Service) GetDisplayStrings(isFocused bool) []string {
-
 	if s.Container == nil {
 		return []string{utils.ColoredString("none", color.FgBlue), "", s.Name, ""}
 	}

pkg/commands/sort_container_test.go

@@ -1,10 +1,11 @@
 package commands
 
 import (
+	"testing"
+
 	"github.com/docker/docker/api/types"
 	"github.com/jesseduffield/lazydocker/pkg/config"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 func sampleContainers(userConfig *config.AppConfig) []*Container {
@@ -119,6 +120,7 @@ func expectedLegacySortedContainers(appConfig *config.AppConfig) []*Container {
 }
 
 func assertEqualContainers(t *testing.T, left *Container, right *Container) {
+	t.Helper()
 	assert.Equal(t, left.Container.State, right.Container.State)
 	assert.Equal(t, left.Container.ID, right.Container.ID)
 	assert.Equal(t, left.Name, right.Name)

pkg/config/app_config_test.go

@@ -10,7 +10,6 @@ import (
 func TestDockerComposeCommandNoFiles(t *testing.T) {
 	composeFiles := []string{}
 	conf, err := NewAppConfig("name", "version", "commit", "date", "buildSource", false, composeFiles, "projectDir")
-
 	if err != nil {
 		t.Fatalf("Unexpected error: %s", err)
 	}
@@ -25,7 +24,6 @@ func TestDockerComposeCommandNoFiles(t *testing.T) {
 func TestDockerComposeCommandSingleFile(t *testing.T) {
 	composeFiles := []string{"one.yml"}
 	conf, err := NewAppConfig("name", "version", "commit", "date", "buildSource", false, composeFiles, "projectDir")
-
 	if err != nil {
 		t.Fatalf("Unexpected error: %s", err)
 	}
@@ -40,7 +38,6 @@ func TestDockerComposeCommandSingleFile(t *testing.T) {
 func TestDockerComposeCommandMultipleFiles(t *testing.T) {
 	composeFiles := []string{"one.yml", "two.yml", "three.yml"}
 	conf, err := NewAppConfig("name", "version", "commit", "date", "buildSource", false, composeFiles, "projectDir")
-
 	if err != nil {
 		t.Fatalf("Unexpected error: %s", err)
 	}
@@ -53,14 +50,15 @@ func TestDockerComposeCommandMultipleFiles(t *testing.T) {
 }
 
 func TestWritingToConfigFile(t *testing.T) {
-	//init the AppConfig
+	// init the AppConfig
 	emptyComposeFiles := []string{}
 	conf, err := NewAppConfig("name", "version", "commit", "date", "buildSource", false, emptyComposeFiles, "projectDir")
 	if err != nil {
 		t.Fatalf("Unexpected error: %s", err)
 	}
 
-	testFn := func(ac *AppConfig, newValue bool, t *testing.T) {
+	testFn := func(t *testing.T, ac *AppConfig, newValue bool) {
+		t.Helper()
 		updateFn := func(uc *UserConfig) error {
 			uc.ConfirmOnQuit = newValue
 			return nil
@@ -71,7 +69,7 @@ func TestWritingToConfigFile(t *testing.T) {
 			t.Fatalf("Unexpected error: %s", err)
 		}
 
-		file, err := os.OpenFile(ac.ConfigFilename(), os.O_RDONLY, 0660)
+		file, err := os.OpenFile(ac.ConfigFilename(), os.O_RDONLY, 0o660)
 		if err != nil {
 			t.Fatalf("Unexpected error: %s", err)
 		}
@@ -93,8 +91,8 @@ func TestWritingToConfigFile(t *testing.T) {
 	}
 
 	// insert value into an empty file
-	testFn(conf, true, t)
+	testFn(t, conf, true)
 
 	// modifying an existing file that already has 'ConfirmOnQuit'
-	testFn(conf, false, t)
+	testFn(t, conf, false)
 }

pkg/gui/confirmation_panel.go

@@ -90,9 +90,11 @@ func (gui *Gui) prepareConfirmationPanel(currentView *gocui.View, title, prompt
 }
 
 func (gui *Gui) onNewPopupPanel() {
-	viewNames := []string{"commitMessage",
+	viewNames := []string{
+		"commitMessage",
 		"credentials",
-		"menu"}
+		"menu",
+	}
 	for _, viewName := range viewNames {
 		_, _ = gui.g.SetViewOnBottom(viewName)
 	}

pkg/gui/containers_panel.go

@@ -120,7 +120,7 @@ func (gui *Gui) renderContainerEnv(container *commands.Container) error {
 		}
 	}
 	return gui.T.NewTask(func(stop chan struct{}) {
-		gui.renderString(gui.g, "main", renderedTable)
+		_ = gui.renderString(gui.g, "main", renderedTable)
 	})
 }
 
@@ -170,7 +170,7 @@ func (gui *Gui) renderContainerConfig(container *commands.Container) error {
 	output += fmt.Sprintf("\nFull details:\n\n%s", string(data))
 
 	return gui.T.NewTask(func(stop chan struct{}) {
-		gui.renderString(gui.g, "main", output)
+		_ = gui.renderString(gui.g, "main", output)
 	})
 }
 
@@ -184,10 +184,10 @@ func (gui *Gui) renderContainerStats(container *commands.Container) error {
 
 		contents, err := container.RenderStats(width)
 		if err != nil {
-			gui.createErrorPanel(gui.g, err.Error())
+			_ = gui.createErrorPanel(gui.g, err.Error())
 		}
 
-		gui.reRenderString(gui.g, "main", contents)
+		_ = gui.reRenderString(gui.g, "main", contents)
 	})
 }
 
@@ -199,10 +199,10 @@ func (gui *Gui) renderContainerTop(container *commands.Container) error {
 	return gui.T.NewTickerTask(time.Second, func(stop chan struct{}) { gui.clearMainView() }, func(stop, notifyStopped chan struct{}) {
 		contents, err := container.RenderTop()
 		if err != nil {
-			gui.reRenderString(gui.g, "main", err.Error())
+			_ = gui.reRenderString(gui.g, "main", err.Error())
 		}
 
-		gui.reRenderString(gui.g, "main", contents)
+		_ = gui.reRenderString(gui.g, "main", contents)
 	})
 }
 
@@ -234,7 +234,7 @@ func (gui *Gui) renderContainerLogsAux(container *commands.Container, stop, noti
 	cmd.Stdout = mainView
 	cmd.Stderr = mainView
 
-	cmd.Start()
+	_ = cmd.Start()
 
 	go func() {
 		<-stop
@@ -245,7 +245,7 @@ func (gui *Gui) renderContainerLogsAux(container *commands.Container, stop, noti
 		return
 	}()
 
-	cmd.Wait()
+	_ = cmd.Wait()
 
 	// if we are here because the task has been stopped, we should return
 	// if we are here then the container must have exited, meaning we should wait until it's back again before
@@ -389,7 +389,7 @@ func (gui *Gui) handleContainersNextContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Containers.ContextIndex++
 	}
 
-	gui.handleContainerSelect(gui.g, v)
+	_ = gui.handleContainerSelect(gui.g, v)
 
 	return nil
 }
@@ -402,7 +402,7 @@ func (gui *Gui) handleContainersPrevContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Containers.ContextIndex--
 	}
 
-	gui.handleContainerSelect(gui.g, v)
+	_ = gui.handleContainerSelect(gui.g, v)
 
 	return nil
 }

pkg/gui/images_panel.go

@@ -93,7 +93,7 @@ func (gui *Gui) renderImageConfig(mainView *gocui.View, image *commands.Image) e
 		mainView.Autoscroll = false
 		mainView.Wrap = false // don't care what your config is this page is ugly without wrapping
 
-		gui.renderString(gui.g, "main", output)
+		_ = gui.renderString(gui.g, "main", output)
 	})
 }
 
@@ -174,7 +174,7 @@ func (gui *Gui) handleImagesNextContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Images.ContextIndex++
 	}
 
-	gui.handleImageSelect(gui.g, v)
+	_ = gui.handleImageSelect(gui.g, v)
 
 	return nil
 }
@@ -187,7 +187,7 @@ func (gui *Gui) handleImagesPrevContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Images.ContextIndex--
 	}
 
-	gui.handleImageSelect(gui.g, v)
+	_ = gui.handleImageSelect(gui.g, v)
 
 	return nil
 }

pkg/gui/layout.go

@@ -152,7 +152,7 @@ func (gui *Gui) layout(g *gocui.Gui) error {
 	}
 
 	_, _ = g.SetViewOnBottom("limit")
-	g.DeleteView("limit")
+	_ = g.DeleteView("limit")
 
 	v, err := g.SetView("main", leftSideWidth+1, 0, width-1, height-2, gocui.LEFT)
 	if err != nil {

pkg/gui/options_menu_panel.go

@@ -9,9 +9,7 @@ import (
 )
 
 func (gui *Gui) getBindings(v *gocui.View) []*Binding {
-	var (
-		bindingsGlobal, bindingsPanel []*Binding
-	)
+	var bindingsGlobal, bindingsPanel []*Binding
 
 	bindings := gui.GetInitialKeybindings()
 

pkg/gui/project_panel.go

@@ -108,7 +108,7 @@ func (gui *Gui) renderCredits() error {
 		mainView.Wrap = gui.Config.UserConfig.Gui.WrapMainPanel
 
 		var configBuf bytes.Buffer
-		yaml.NewEncoder(&configBuf, yaml.IncludeOmitted).Encode(gui.Config.UserConfig)
+		_ = yaml.NewEncoder(&configBuf, yaml.IncludeOmitted).Encode(gui.Config.UserConfig)
 
 		dashboardString := strings.Join(
 			[]string{
@@ -122,7 +122,7 @@ func (gui *Gui) renderCredits() error {
 				configBuf.String(),
 			}, "\n\n")
 
-		gui.renderString(gui.g, "main", dashboardString)
+		_ = gui.renderString(gui.g, "main", dashboardString)
 	})
 }
 
@@ -145,7 +145,7 @@ func (gui *Gui) renderAllLogs() error {
 		cmd.Stderr = mainView
 
 		gui.OSCommand.PrepareForChildren(cmd)
-		cmd.Start()
+		_ = cmd.Start()
 
 		go func() {
 			<-stop
@@ -154,7 +154,7 @@ func (gui *Gui) renderAllLogs() error {
 			}
 		}()
 
-		cmd.Wait()
+		_ = cmd.Wait()
 	})
 }
 
@@ -165,7 +165,7 @@ func (gui *Gui) renderDockerComposeConfig() error {
 		mainView.Wrap = gui.Config.UserConfig.Gui.WrapMainPanel
 
 		config := gui.DockerCommand.DockerComposeConfig()
-		gui.renderString(gui.g, "main", config)
+		_ = gui.renderString(gui.g, "main", config)
 	})
 }
 
@@ -198,7 +198,7 @@ func (gui *Gui) handleProjectNextContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Project.ContextIndex++
 	}
 
-	gui.handleProjectSelect(gui.g, v)
+	_ = gui.handleProjectSelect(gui.g, v)
 
 	return nil
 }
@@ -211,7 +211,7 @@ func (gui *Gui) handleProjectPrevContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Project.ContextIndex--
 	}
 
-	gui.handleProjectSelect(gui.g, v)
+	_ = gui.handleProjectSelect(gui.g, v)
 
 	return nil
 }

pkg/gui/services_panel.go

@@ -118,10 +118,10 @@ func (gui *Gui) renderServiceTop(service *commands.Service) error {
 	return gui.T.NewTickerTask(time.Second, func(stop chan struct{}) { gui.clearMainView() }, func(stop, notifyStopped chan struct{}) {
 		contents, err := service.RenderTop()
 		if err != nil {
-			gui.reRenderString(gui.g, "main", err.Error())
+			_ = gui.reRenderString(gui.g, "main", err.Error())
 		}
 
-		gui.reRenderString(gui.g, "main", contents)
+		_ = gui.reRenderString(gui.g, "main", contents)
 	})
 }
 
@@ -170,7 +170,7 @@ func (gui *Gui) handleServicesNextContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Services.ContextIndex++
 	}
 
-	gui.handleServiceSelect(gui.g, v)
+	_ = gui.handleServiceSelect(gui.g, v)
 
 	return nil
 }
@@ -183,7 +183,7 @@ func (gui *Gui) handleServicesPrevContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Services.ContextIndex--
 	}
 
-	gui.handleServiceSelect(gui.g, v)
+	_ = gui.handleServiceSelect(gui.g, v)
 
 	return nil
 }

pkg/gui/view_helpers.go

@@ -354,8 +354,8 @@ func (gui *Gui) popupPanelFocused() bool {
 func (gui *Gui) clearMainView() {
 	mainView := gui.getMainView()
 	mainView.Clear()
-	mainView.SetOrigin(0, 0)
-	mainView.SetCursor(0, 0)
+	_ = mainView.SetOrigin(0, 0)
+	_ = mainView.SetCursor(0, 0)
 }
 
 func (gui *Gui) handleClick(v *gocui.View, itemCount int, selectedLine *int, handleSelect func(*gocui.Gui, *gocui.View) error) error {

pkg/gui/volumes_panel.go

@@ -99,7 +99,7 @@ func (gui *Gui) renderVolumeConfig(mainView *gocui.View, volume *commands.Volume
 			output += utils.WithPadding("Size: ", padding) + utils.FormatBinaryBytes(int(volume.Volume.UsageData.Size)) + "\n"
 		}
 
-		gui.renderString(gui.g, "main", output)
+		_ = gui.renderString(gui.g, "main", output)
 	})
 }
 
@@ -168,7 +168,7 @@ func (gui *Gui) handleVolumesNextContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Volumes.ContextIndex++
 	}
 
-	gui.handleVolumeSelect(gui.g, v)
+	_ = gui.handleVolumeSelect(gui.g, v)
 
 	return nil
 }
@@ -181,7 +181,7 @@ func (gui *Gui) handleVolumesPrevContext(g *gocui.Gui, v *gocui.View) error {
 		gui.State.Panels.Volumes.ContextIndex--
 	}
 
-	gui.handleVolumeSelect(gui.g, v)
+	_ = gui.handleVolumeSelect(gui.g, v)
 
 	return nil
 }

pkg/log/log.go

@@ -43,7 +43,7 @@ func getLogLevel() logrus.Level {
 func newDevelopmentLogger(config *config.AppConfig) *logrus.Logger {
 	log := logrus.New()
 	log.SetLevel(getLogLevel())
-	file, err := os.OpenFile(filepath.Join(config.ConfigDir, "development.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	file, err := os.OpenFile(filepath.Join(config.ConfigDir, "development.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o666)
 	if err != nil {
 		fmt.Println("unable to log to file")
 		os.Exit(1)

pkg/utils/utils.go

@@ -269,7 +269,7 @@ func FormatDecimalBytes(b int) string {
 
 func ApplyTemplate(str string, object interface{}) string {
 	var buf bytes.Buffer
-	template.Must(template.New("").Parse(str)).Execute(&buf, object)
+	_ = template.Must(template.New("").Parse(str)).Execute(&buf, object)
 	return buf.String()
 }
 

pkg/utils/utils_test.go

@@ -68,7 +68,7 @@ func TestNormalizeLinefeeds(t *testing.T) {
 		byteArray []byte
 		expected  []byte
 	}
-	var scenarios = []scenario{
+	scenarios := []scenario{
 		{
 			// \r\n
 			[]byte{97, 115, 100, 102, 13, 10},

scripts/generate_cheatsheet.go

@@ -12,7 +12,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"strings"
 
 	"github.com/jesseduffield/lazydocker/pkg/app"
 	"github.com/jesseduffield/lazydocker/pkg/config"
@@ -135,11 +134,3 @@ func formatSections(mApp *app.App, bindingSections []*bindingSection) string {
 
 	return content
 }
-
-func getProjectRoot() string {
-	dir, err := os.Getwd()
-	if err != nil {
-		panic(err)
-	}
-	return strings.Split(dir, "lazydocker")[0] + "lazydocker"
-}