fix: don't check language version in Enabled()

fix: align dotnet segment with other languages
feat: missing command text + json schema updated
chore: doc updated
perf: cache executable path
chore: not supported version icon updated(previus one was unreadable)

docs/docs/segment-dotnet.md

@@ -27,5 +27,6 @@ Display the currently active .NET SDK version.
 
 - display_version: `boolean` - display the active version or not; useful if all you need is an icon indicating `dotnet`
   is present - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - default to ``
 - unsupported_version_icon: `string` - text/icon that is displayed when the active .NET SDK version (e.g., one specified
-  by `global.json`) is not installed/supported - defaults to `\u2327` (X in a rectangle box)
+  by `global.json`) is not installed/supported - defaults to `\uf071` (X in a rectangle box)

docs/docs/segment-golang.md

@@ -26,6 +26,7 @@ Display the currently active golang version when a folder contains `.go` files.
 ## Properties
 
 - display_version: `boolean` - display the golang version - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - default to ``
 - display_mode: `string` - determines when the segment is displayed
   - `always`: The segment is always displayed
   - `context`: The segment is only displayed when *.go or go.mod files are present (default)

docs/docs/segment-julia.md

@@ -26,6 +26,7 @@ Display the currently active julia version when a folder contains `.jl` files.
 ## Properties
 
 - display_version: `boolean` - display the julia version - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - default to ``
 - display_mode: `string` - determines when the segment is displayed
   - `always`: The segment is always displayed
   - `context`: The segment is only displayed when *.jl files are present (default)

docs/docs/segment-node.md

@@ -26,6 +26,7 @@ Display the currently active node version when a folder contains `.js` or `.ts`
 ## Properties
 
 - display_version: `boolean` - display the node version - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - default to ``
 - display_mode: `string` - determines when the segment is displayed
   - `always`: The segment is always displayed
   - `context`: The segment is only displayed when *.js, *.ts or package.json files are present (default)

docs/docs/segment-python.md

@@ -27,6 +27,8 @@ Supports conda, virtualenv and pyenv.
 ## Properties
 
 - display_virtual_env: `boolean` - show the name of the virtualenv or not - defaults to `true`
+- display_version: `boolean` - display the python version - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - default to ``
 - display_mode: `string` - determines when the segment is displayed
   - `always`: The segment is always displayed
   - `context`: The segment is only displayed when *.py or *.ipynb files are present (default)

src/environment.go

@@ -39,7 +39,7 @@ type environmentInfo interface {
 	getHostName() (string, error)
 	getRuntimeGOOS() string
 	getPlatform() string
-	hasCommand(command string) bool
+	hasCommand(command string) (string, bool)
 	runCommand(command string, args ...string) (string, error)
 	runShellCommand(shell, command string) string
 	lastErrorCode() int
@@ -221,9 +221,9 @@ func (env *environment) runShellCommand(shell, command string) string {
 	return strings.TrimSpace(string(out))
 }
 
-func (env *environment) hasCommand(command string) bool {
+func (env *environment) hasCommand(command string) (string, bool) {
-	_, err := exec.LookPath(command)
+	path, err := exec.LookPath(command)
-	return err == nil
+	return path, err == nil
 }
 
 func (env *environment) lastErrorCode() int {

src/segment_az.go

@@ -36,11 +36,12 @@ func (a *az) init(props *properties, env environmentInfo) {
 }
 
 func (a *az) enabled() bool {
-	if (!a.idEnabled() && !a.nameEnabled()) || !a.env.hasCommand("az") {
+	commandPath, commandExists := a.env.hasCommand("az")
+	if (!a.idEnabled() && !a.nameEnabled()) || !commandExists {
 		return false
 	}
 
-	output, _ := a.env.runCommand("az", "account", "show", "--query=[name,id]", "-o=tsv")
+	output, _ := a.env.runCommand(commandPath, "account", "show", "--query=[name,id]", "-o=tsv")
 	if output == "" {
 		return false
 	}

src/segment_az_test.go

@@ -18,7 +18,7 @@ type azArgs struct {
 
 func bootStrapAzTest(args *azArgs) *az {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "az").Return(args.enabled)
+	env.On("hasCommand", "az").Return("az", args.enabled)
 	env.On("runCommand", "az", []string{"account", "show", "--query=[name,id]", "-o=tsv"}).Return(fmt.Sprintf("%s\n%s\n", args.subscriptionName, args.subscriptionID), nil)
 	props := &properties{
 		values: map[Property]interface{}{

src/segment_command.go

@@ -17,7 +17,8 @@ const (
 
 func (c *command) enabled() bool {
 	shell := c.props.getString(ExecutableShell, "bash")
-	if !c.env.hasCommand(shell) {
+	shell, commandExists := c.env.hasCommand(shell)
+	if !commandExists {
 		return false
 	}
 	command := c.props.getString(Command, "echo no command specified")

src/segment_dotnet.go

@@ -1,14 +1,7 @@
 package main
 
-import (
-	"errors"
-)
-
 type dotnet struct {
-	props              *properties
+	language *language
-	env                environmentInfo
-	activeVersion      string
-	unsupportedVersion bool
 }
 
 const (
@@ -18,41 +11,29 @@ const (
 )
 
 func (d *dotnet) string() string {
-	if d.unsupportedVersion {
+	version := d.language.string()
-		return d.props.getString(UnsupportedDotnetVersionIcon, "\u2327")
-	}
-
-	if d.props.getBool(DisplayVersion, true) {
-		return d.activeVersion
-	}
-
-	return ""
-}
-
-func (d *dotnet) init(props *properties, env environmentInfo) {
-	d.props = props
-	d.env = env
-}
-
-func (d *dotnet) enabled() bool {
-	if !d.env.hasCommand("dotnet") {
-		return false
-	}
-
-	output, err := d.env.runCommand("dotnet", "--version")
-	if err == nil {
-		d.activeVersion = output
-		return true
-	}
 
 	// Exit code 145 is a special indicator that dotnet
 	// ran, but the current project config settings specify
 	// use of an SDK that isn't installed.
-	var exerr *commandError
+	if d.language.exitCode == 145 {
-	if errors.As(err, &exerr) && exerr.exitCode == 145 {
+		return d.language.props.getString(UnsupportedDotnetVersionIcon, "\uf071 ")
-		d.unsupportedVersion = true
-		return true
 	}
 
-	return false
+	return version
+}
+
+func (d *dotnet) init(props *properties, env environmentInfo) {
+	d.language = &language{
+		env:          env,
+		props:        props,
+		commands:     []string{"dotnet"},
+		versionParam: "--version",
+		extensions:   []string{"*.cs", "*.vb", "*.sln", "*.csproj", "*.vbproj"},
+		versionRegex: `(?P<version>[0-9]+.[0-9]+.[0-9]+)`,
+	}
+}
+
+func (d *dotnet) enabled() bool {
+	return d.language.enabled()
 }

src/segment_dotnet_test.go

@@ -16,24 +16,25 @@ type dotnetArgs struct {
 
 func bootStrapDotnetTest(args *dotnetArgs) *dotnet {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "dotnet").Return(args.enabled)
+	env.On("hasCommand", "dotnet").Return("dotnet", args.enabled)
 	if args.unsupported {
 		err := &commandError{exitCode: 145}
 		env.On("runCommand", "dotnet", []string{"--version"}).Return("", err)
 	} else {
 		env.On("runCommand", "dotnet", []string{"--version"}).Return(args.version, nil)
 	}
+
+	env.On("hasFiles", "*.cs").Return(true)
+	env.On("getPathSeperator", nil).Return("")
 	props := &properties{
 		values: map[Property]interface{}{
 			DisplayVersion:               args.displayVersion,
 			UnsupportedDotnetVersionIcon: args.unsupportedIcon,
 		},
 	}
-	a := &dotnet{
+	dotnet := &dotnet{}
-		env:   env,
+	dotnet.init(props, env)
-		props: props,
+	return dotnet
-	}
-	return a
 }
 
 func TestEnabledDotnetNotFound(t *testing.T) {
@@ -41,7 +42,7 @@ func TestEnabledDotnetNotFound(t *testing.T) {
 		enabled: false,
 	}
 	dotnet := bootStrapDotnetTest(args)
-	assert.False(t, dotnet.enabled())
+	assert.True(t, dotnet.enabled())
 }
 
 func TestDotnetVersionNotDisplayed(t *testing.T) {

src/segment_git.go

@@ -50,6 +50,7 @@ type git struct {
 	props       *properties
 	env         environmentInfo
 	repo        *gitRepo
+	commandPath string
 }
 
 const (
@@ -114,10 +115,12 @@ const (
 )
 
 func (g *git) enabled() bool {
-	if !g.env.hasCommand("git") {
+	commandPath, commandExists := g.env.hasCommand("git")
+	if !commandExists {
 		return false
 	}
-	output, _ := g.env.runCommand("git", "rev-parse", "--is-inside-work-tree")
+	g.commandPath = commandPath
+	output, _ := g.env.runCommand(g.commandPath, "rev-parse", "--is-inside-work-tree")
 	return output == "true"
 }
 
@@ -235,7 +238,7 @@ func (g *git) getStatusColor(defaultValue string) string {
 
 func (g *git) getGitCommandOutput(args ...string) string {
 	args = append([]string{"-c", "core.quotepath=false", "-c", "color.status=false"}, args...)
-	val, _ := g.env.runCommand("git", args...)
+	val, _ := g.env.runCommand(g.commandPath, args...)
 	return val
 }
 

src/segment_git_test.go

@@ -12,7 +12,7 @@ const (
 
 func TestEnabledGitNotFound(t *testing.T) {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "git").Return(false)
+	env.On("hasCommand", "git").Return("", false)
 	g := &git{
 		env: env,
 	}
@@ -21,7 +21,7 @@ func TestEnabledGitNotFound(t *testing.T) {
 
 func TestEnabledInWorkingDirectory(t *testing.T) {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "git").Return(true)
+	env.On("hasCommand", "git").Return("git", true)
 	env.On("runCommand", "git", []string{"rev-parse", "--is-inside-work-tree"}).Return("true", nil)
 	g := &git{
 		env: env,
@@ -37,6 +37,7 @@ func TestGetGitOutputForCommand(t *testing.T) {
 	env.On("runCommand", "git", append(args, commandArgs...)).Return(want, nil)
 	g := &git{
 		env:         env,
+		commandPath: "git",
 	}
 	got := g.getGitCommandOutput(commandArgs...)
 	assert.Equal(t, want, got)
@@ -85,6 +86,7 @@ func setupHEADContextEnv(context *detachedContext) *git {
 		repo: &gitRepo{
 			root: "",
 		},
+		commandPath: "git",
 	}
 	return g
 }
@@ -212,6 +214,7 @@ func TestGetStashContextZeroEntries(t *testing.T) {
 	env.On("runCommand", "git", []string{"-c", "core.quotepath=false", "-c", "color.status=false", "rev-list", "--walk-reflogs", "--count", "refs/stash"}).Return("", nil)
 	g := &git{
 		env:         env,
+		commandPath: "git",
 	}
 	got := g.getStashContext()
 	assert.Equal(t, want, got)
@@ -223,6 +226,7 @@ func TestGetStashContextMultipleEntries(t *testing.T) {
 	env.On("runCommand", "git", []string{"-c", "core.quotepath=false", "-c", "color.status=false", "rev-list", "--walk-reflogs", "--count", "refs/stash"}).Return("2", nil)
 	g := &git{
 		env:         env,
+		commandPath: "git",
 	}
 	got := g.getStashContext()
 	assert.Equal(t, want, got)
@@ -391,6 +395,7 @@ func bootstrapUpstreamTest(upstream string) *git {
 			upstream: "origin/main",
 		},
 		props:       props,
+		commandPath: "git",
 	}
 	return g
 }

src/segment_kubectl.go

@@ -16,9 +16,10 @@ func (k *kubectl) init(props *properties, env environmentInfo) {
 }
 
 func (k *kubectl) enabled() bool {
-	if !k.env.hasCommand("kubectl") {
+	commandPath, commandExists := k.env.hasCommand("kubectl")
+	if !commandExists {
 		return false
 	}
-	k.contextName, _ = k.env.runCommand("kubectl", "config", "current-context")
+	k.contextName, _ = k.env.runCommand(commandPath, "config", "current-context")
 	return k.contextName != ""
 }

src/segment_kubectl_test.go

@@ -13,7 +13,7 @@ type kubectlArgs struct {
 
 func bootStrapKubectlTest(args *kubectlArgs) *kubectl {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "kubectl").Return(args.enabled)
+	env.On("hasCommand", "kubectl").Return("kubectl", args.enabled)
 	env.On("runCommand", "kubectl", []string{"config", "current-context"}).Return(args.contextName, nil)
 	k := &kubectl{
 		env:   env,

src/segment_language.go

@@ -1,13 +1,17 @@
 package main
 
+import "errors"
+
 type language struct {
 	props        *properties
 	env          environmentInfo
 	extensions   []string
 	commands     []string
+	executable   string
 	versionParam string
 	versionRegex string
 	version      string
+	exitCode     int
 }
 
 const (
@@ -19,10 +23,20 @@ const (
 	DisplayModeContext string = "context"
 	// DisplayModeNever hides the segment
 	DisplayModeNever string = "never"
+	// MissingCommandProperty sets the text to display when the command is not present in the system
+	MissingCommandTextProperty Property = "missing_command_text"
+	// MissingCommand displays empty string by default
+	MissingCommandText string = ""
 )
 
 func (l *language) string() string {
-	if l.props.getBool(DisplayVersion, true) {
+	// check if one of the defined commands exists in the system
+	if !l.hasCommand() {
+		return l.props.getString(MissingCommandTextProperty, MissingCommandText)
+	}
+
+	// call getVersion if displayVersion set in config
+	if l.props.getBool(DisplayVersion, true) && l.getVersion() {
 		return l.version
 	}
 	return ""
@@ -31,20 +45,20 @@ func (l *language) string() string {
 func (l *language) enabled() bool {
 	displayMode := l.props.getString(DisplayModeProperty, DisplayModeContext)
 	displayVersion := l.props.getBool(DisplayVersion, true)
-	hasVersion := l.getVersion()
 
 	switch displayMode {
 	case DisplayModeAlways:
-		return (hasVersion || !displayVersion)
+		return (!displayVersion || l.hasCommand())
 	case DisplayModeNever:
 		return false
 	case DisplayModeContext:
 		fallthrough
 	default:
-		return l.isInContext() && (hasVersion || !displayVersion)
+		return l.isInContext() && (!displayVersion || l.hasCommand())
 	}
 }
 
+// isInContext will return true at least one file matching the extensions is found
 func (l *language) isInContext() bool {
 	for i, extension := range l.extensions {
 		if l.env.hasFiles(extension) {
@@ -58,20 +72,33 @@ func (l *language) isInContext() bool {
 	return true
 }
 
+// getVersion returns the version an exit code returned by the exexutable
 func (l *language) getVersion() bool {
-	var executable string
+	versionInfo, err := l.env.runCommand(l.executable, l.versionParam)
+	var exerr *commandError
+	if err == nil {
+		values := findNamedRegexMatch(l.versionRegex, versionInfo)
+		l.exitCode = 0
+		l.version = values["version"]
+	} else {
+		errors.As(err, &exerr)
+		l.exitCode = exerr.exitCode
+		l.version = ""
+	}
+	return true
+}
+
+// hasCommand checks if one of the commands exists and set it as executablr
+func (l *language) hasCommand() bool {
 	for i, command := range l.commands {
-		if l.env.hasCommand(command) {
+		commandPath, commandExists := l.env.hasCommand(command)
-			executable = command
+		if commandExists {
+			l.executable = commandPath
 			break
 		}
 		if i == len(l.commands)-1 {
 			return false
 		}
 	}
-	versionInfo, _ := l.env.runCommand(executable, l.versionParam)
-	values := findNamedRegexMatch(l.versionRegex, versionInfo)
-	l.version = values["version"]
-
 	return true
 }

src/segment_language_test.go

@@ -22,6 +22,7 @@ type languageArgs struct {
 	enabledCommands    []string
 	versionParam       string
 	versionRegex       string
+	missingCommandText string
 }
 
 func (l *languageArgs) hasvalue(value string, list []string) bool {
@@ -36,7 +37,7 @@ func (l *languageArgs) hasvalue(value string, list []string) bool {
 func bootStrapLanguageTest(args *languageArgs) *language {
 	env := new(MockedEnvironment)
 	for _, command := range args.commands {
-		env.On("hasCommand", command).Return(args.hasvalue(command, args.enabledCommands))
+		env.On("hasCommand", command).Return(command, args.hasvalue(command, args.enabledCommands))
 		env.On("runCommand", command, []string{args.versionParam}).Return(args.version, nil)
 	}
 	for _, extension := range args.extensions {
@@ -48,6 +49,9 @@ func bootStrapLanguageTest(args *languageArgs) *language {
 			DisplayModeProperty: args.displayMode,
 		},
 	}
+	if args.missingCommandText != "" {
+		props.values[MissingCommandTextProperty] = args.missingCommandText
+	}
 	l := &language{
 		props:        props,
 		env:          env,
@@ -59,7 +63,7 @@ func bootStrapLanguageTest(args *languageArgs) *language {
 	return l
 }
 
-func TestLanguageFilesFoundButNoCommandAndVersion(t *testing.T) {
+func TestLanguageFilesFoundButNoCommandAndVersionAndDisplayVersion(t *testing.T) {
 	args := &languageArgs{
 		commands:          []string{"unicorn"},
 		versionParam:      "--version",
@@ -71,6 +75,18 @@ func TestLanguageFilesFoundButNoCommandAndVersion(t *testing.T) {
 	assert.False(t, lang.enabled(), "unicorn is not available")
 }
 
+func TestLanguageFilesFoundButNoCommandAndVersionAndDontDisplayVersion(t *testing.T) {
+	args := &languageArgs{
+		commands:          []string{"unicorn"},
+		versionParam:      "--version",
+		extensions:        []string{uni},
+		enabledExtensions: []string{uni},
+		displayVersion:    false,
+	}
+	lang := bootStrapLanguageTest(args)
+	assert.True(t, lang.enabled(), "unicorn is not available")
+}
+
 func TestLanguageFilesFoundButNoCommandAndNoVersion(t *testing.T) {
 	args := &languageArgs{
 		commands:          []string{"unicorn"},
@@ -172,3 +188,36 @@ func TestLanguageEnabledNoVersion(t *testing.T) {
 	assert.True(t, lang.enabled())
 	assert.Equal(t, "", lang.string(), "unicorn is available and uni and corn files are found")
 }
+
+func TestLanguageEnabledMissingCommand(t *testing.T) {
+	args := &languageArgs{
+		versionParam:      "--version",
+		commands:          []string{""},
+		enabledCommands:   []string{"unicorn"},
+		extensions:        []string{uni, corn},
+		versionRegex:      "(?P<version>.*)",
+		version:           universion,
+		enabledExtensions: []string{uni, corn},
+		displayVersion:    false,
+	}
+	lang := bootStrapLanguageTest(args)
+	assert.True(t, lang.enabled())
+	assert.Equal(t, "", lang.string(), "unicorn is available and uni and corn files are found")
+}
+
+func TestLanguageEnabledMissingCommandCustomText(t *testing.T) {
+	args := &languageArgs{
+		versionParam:       "--version",
+		commands:           []string{""},
+		enabledCommands:    []string{"unicorn"},
+		extensions:         []string{uni, corn},
+		versionRegex:       "(?P<version>.*)",
+		version:            universion,
+		enabledExtensions:  []string{uni, corn},
+		displayVersion:     false,
+		missingCommandText: "missing",
+	}
+	lang := bootStrapLanguageTest(args)
+	assert.True(t, lang.enabled())
+	assert.Equal(t, args.missingCommandText, lang.string(), "unicorn is available and uni and corn files are found")
+}

src/segment_path_test.go

@@ -72,9 +72,9 @@ func (env *MockedEnvironment) getPlatform() string {
 	return args.String(0)
 }
 
-func (env *MockedEnvironment) hasCommand(command string) bool {
+func (env *MockedEnvironment) hasCommand(command string) (string, bool) {
 	args := env.Called(command)
-	return args.Bool(0)
+	return args.String(0), args.Bool(1)
 }
 
 func (env *MockedEnvironment) runCommand(command string, args ...string) (string, error) {

src/segment_python_test.go

@@ -16,7 +16,7 @@ type pythonArgs struct {
 
 func bootStrapPythonTest(args *pythonArgs) *python {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "python").Return(true)
+	env.On("hasCommand", "python").Return("python", true)
 	env.On("runCommand", "python", []string{"--version"}).Return("Python 3.8.4", nil)
 	env.On("hasFiles", "*.py").Return(true)
 	env.On("getenv", "VIRTUAL_ENV").Return(args.virtualEnvName)
@@ -83,6 +83,6 @@ func TestPythonPyEnvWithVersion(t *testing.T) {
 	}
 	python := bootStrapPythonTest(args)
 	assert.True(t, python.enabled())
-	assert.Equal(t, "3.8.4", python.language.version)
 	assert.Equal(t, expected, python.string())
+	assert.Equal(t, "3.8.4", python.language.version)
 }

src/segment_terraform.go

@@ -16,9 +16,10 @@ func (tf *terraform) init(props *properties, env environmentInfo) {
 }
 
 func (tf *terraform) enabled() bool {
-	if !tf.env.hasCommand("terraform") || !tf.env.hasFolder(".terraform") {
+	commandPath, commandExists := tf.env.hasCommand("terraform")
+	if !commandExists || !tf.env.hasFolder(".terraform") {
 		return false
 	}
-	tf.workspaceName, _ = tf.env.runCommand("terraform", "workspace", "show")
+	tf.workspaceName, _ = tf.env.runCommand(commandPath, "workspace", "show")
 	return true
 }

src/segment_terraform_test.go

@@ -14,7 +14,7 @@ type terraformArgs struct {
 
 func bootStrapTerraformTest(args *terraformArgs) *terraform {
 	env := new(MockedEnvironment)
-	env.On("hasCommand", "terraform").Return(args.hasTfCommand)
+	env.On("hasCommand", "terraform").Return("terraform", args.hasTfCommand)
 	env.On("hasFolder", ".terraform").Return(args.hasTfFolder)
 	env.On("runCommand", "terraform", []string{"workspace", "show"}).Return(args.workspaceName, nil)
 	k := &terraform{

themes/schema.json

@@ -17,6 +17,19 @@
       "description": "Show or hide the version number",
       "default": true
     },
+    "display_mode": {
+      "type": "string",
+      "title": "Display Mode",
+      "description": "Determines whether the segment is displayed always or only if a file matching the extensions are present in the current folder",
+      "enum": ["always", "context", "never"],
+      "default": "context"
+    },
+    "missing_command_text": {
+      "type": "string",
+      "title": "Missing command text",
+      "description": "The string to display when the command is not available",
+      "default": ""
+    },
     "block": {
       "type": "object",
       "description": "https://ohmyposh.dev/docs/configure#block",
@@ -357,6 +370,12 @@
                   },
                   "display_version": {
                     "$ref": "#/definitions/display_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
                   }
                 }
               }
@@ -613,6 +632,12 @@
                 "properties": {
                   "display_version": {
                     "$ref": "#/definitions/display_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
                   }
                 }
               }
@@ -633,6 +658,12 @@
                 "properties": {
                   "display_version": {
                     "$ref": "#/definitions/display_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
                   }
                 }
               }
@@ -664,6 +695,12 @@
                 "properties": {
                   "display_version": {
                     "$ref": "#/definitions/display_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
                   }
                 }
               }
@@ -935,11 +972,10 @@
                     "default": true
                   },
                   "display_mode": {
-                    "type": "string",
+                    "$ref": "#/definitions/display_mode"
-                    "title": "Display Mode",
+                  },
-                    "description": "Determines whether the segment is displayed always or only if *.py or *.ipynb file are present in the current folder",
+                  "missing_command_text": {
-                    "enum": ["always", "context", "never"],
+                    "$ref": "#/definitions/missing_command_text"
-                    "default": "context"
                   }
                 }
               }