feat(shell): support elvish

src/ansi/ansi_writer.go

@@ -250,6 +250,9 @@ func (w *Writer) FormatTitle(title string) string {
 		title = strings.NewReplacer("`", "\\`", `\`, `\\`).Replace(title)
 	case shell.ZSH:
 		title = strings.NewReplacer("`", "\\`", `%`, `%%`).Replace(title)
+	case shell.ELVISH:
+		// elvish doesn't support this
+		return ""
 	}
 	return fmt.Sprintf(w.title, title)
 }

src/ansi/ansi_writer_hyperlink.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 
 	"github.com/jandedobbeleer/oh-my-posh/src/regex"
+	"github.com/jandedobbeleer/oh-my-posh/src/shell"
 	"github.com/mattn/go-runewidth"
 )
 
@@ -70,6 +71,11 @@ func (w *Writer) replaceHyperlink(text string) string {
 
 	linkText := results["TEXT"]
 
+	// this isn't supported for elvish
+	if w.shell == shell.ELVISH {
+		return strings.Replace(text, results["ALL"], linkText, 1)
+	}
+
 	// we only care about the length of the text part
 	w.length += runewidth.StringWidth(linkText)
 

src/cli/init.go

@@ -30,6 +30,7 @@ See the documentation to initialize your shell: https://ohmyposh.dev/docs/instal
 			"cmd",
 			"nu",
 			"tcsh",
+			"elvish",
 		},
 		Args: NoArgsOrOneValidArg,
 		Run: func(cmd *cobra.Command, args []string) {

src/engine/engine.go

@@ -83,9 +83,15 @@ func (e *Engine) PrintPrimary() string {
 }
 
 func (e *Engine) printPWD() {
+	// only print when supported
+	if e.Env.Shell() == shell.ELVISH {
+		return
+	}
+	// only print when relevant
 	if len(e.Config.PWD) == 0 && !e.Config.OSC99 {
 		return
 	}
+
 	cwd := e.Env.Pwd()
 	// Backwards compatibility for deprecated OSC99
 	if e.Config.OSC99 {
@@ -97,10 +103,12 @@ func (e *Engine) printPWD() {
 		Template: e.Config.PWD,
 		Env:      e.Env,
 	}
+
 	pwdType, err := tmpl.Render()
 	if err != nil || len(pwdType) == 0 {
 		return
 	}
+
 	user := e.Env.User()
 	host, _ := e.Env.Host()
 	e.write(e.Writer.ConsolePwd(pwdType, user, host, cwd))

src/shell/constants.go

@@ -10,4 +10,5 @@ const (
 	NU      = "nu"
 	GENERIC = "shell"
 	TCSH    = "tcsh"
+	ELVISH  = "elvish"
 )

src/shell/init.go

@@ -34,6 +34,9 @@ var nuInit string
 //go:embed scripts/omp.tcsh
 var tcshInit string
 
+//go:embed scripts/omp.elv
+var elvishInit string
+
 const (
 	noExe = "echo \"Unable to find Oh My Posh executable\""
 )
@@ -156,7 +159,7 @@ func quoteNuStr(str string) string {
 func Init(env platform.Environment) string {
 	shell := env.Flags().Shell
 	switch shell {
-	case PWSH, PWSH5:
+	case PWSH, PWSH5, ELVISH:
 		executable, err := getExecutablePath(env)
 		if err != nil {
 			return noExe
@@ -168,8 +171,16 @@ func Init(env platform.Environment) string {
 		if env.Flags().Manual {
 			additionalParams += " --manual"
 		}
-		command := "(@(& %s init %s --config=%s --print%s) -join \"`n\") | Invoke-Expression"
-		return fmt.Sprintf(command, quotePwshStr(executable), shell, quotePwshStr(env.Flags().Config), additionalParams)
+		var command, config string
+		switch shell {
+		case PWSH, PWSH5:
+			command = "(@(& %s init %s --config=%s --print%s) -join \"`n\") | Invoke-Expression"
+			config = quotePwshStr(env.Flags().Config)
+		case ELVISH:
+			command = "eval (%s init %s --config=%s --print%s | slurp)"
+			config = quotePosixStr(env.Flags().Config)
+		}
+		return fmt.Sprintf(command, quotePwshStr(executable), shell, config, additionalParams)
 	case ZSH, BASH, FISH, CMD, TCSH:
 		return PrintInit(env)
 	case NU:
@@ -225,6 +236,10 @@ func PrintInit(env platform.Environment) string {
 		executable = quotePosixStr(executable)
 		configFile = quotePosixStr(configFile)
 		script = tcshInit
+	case ELVISH:
+		executable = quotePosixStr(executable)
+		configFile = quotePosixStr(configFile)
+		script = elvishInit
 	default:
 		return fmt.Sprintf("echo \"No initialization script available for %s\"", shell)
 	}

src/shell/scripts/omp.elv

@@ -0,0 +1,32 @@
+set-env POSH_PID (to-string (randint 10000000000000 10000000000000000))
+set-env POSH_THEME '::CONFIG::'
+set-env POWERLINE_COMMAND 'oh-my-posh'
+set-env ELVISH_VERSION (elvish --version)
+
+var error-code = 0
+
+fn posh-after-command-hook {|m|
+    var error = $m[error]
+    if (is $error $nil) {
+        set error-code = 0
+    } else {
+        try {
+            set error-code = $error[reason][exit-status]
+        } catch {
+            # built-in commands don't have a status code.
+            set error-code = 1
+        }
+    }
+}
+
+set edit:after-command = [ $@edit:after-command $posh-after-command-hook~ ]
+
+set edit:prompt = {
+    var cmd-duration = (printf "%.0f" (* $edit:command-duration 1000))
+    ::OMP:: print primary --config=$E:POSH_THEME --shell=elvish --execution-time=$cmd-duration --error=$error-code --pwd=$pwd --shell-version=$E:ELVISH_VERSION
+}
+
+set edit:rprompt = {
+    var cmd-duration = (printf "%.0f" (* $edit:command-duration 1000))
+    ::OMP:: print right --config=$E:POSH_THEME --shell=elvish --execution-time=$cmd-duration --error=$error-code --pwd=$pwd --shell-version=$E:ELVISH_VERSION
+}

website/docs/installation/customize.mdx

@@ -78,6 +78,7 @@ to reflect your use-case.
     { label: 'fish', value: 'fish', },
     { label: 'nu', value: 'nu', },
     { label: 'tcsh', value: 'tcsh', },
+    { label: 'elvish', value: 'elvish', },
   ]
 }>
 <TabItem value="powershell">
@@ -223,6 +224,21 @@ Once added, reload your profile for the changes to take effect.
 exec tcsh
 ```
 
+</TabItem>
+<TabItem value="elvish">
+
+Adjust or add the following line at the end of ~/.elvish/rc.elv:
+
+```bash
+eval (oh-my-posh init elvish --config ~/jandedobbeleer.omp.json)
+```
+
+Once added, reload your profile for the changes to take effect.
+
+```bash
+exec elvish
+```
+
 </TabItem>
 </Tabs>
 

website/docs/installation/prompt.mdx

@@ -26,6 +26,7 @@ oh-my-posh get shell
     { label: 'fish', value: 'fish', },
     { label: 'nu', value: 'nu', },
     { label: 'tcsh', value: 'tcsh', },
+    { label: 'elvish', value: 'elvish', },
   ]
 }>
 <TabItem value="powershell">
@@ -202,6 +203,21 @@ Once added, reload your profile for the changes to take effect.
 exec tcsh
 ```
 
+</TabItem>
+<TabItem value="elvish">
+
+Add the following at the end of ~/.elvish/rc.elv:
+
+```bash
+eval (oh-my-posh init elvish)
+```
+
+Once added, reload your profile for the changes to take effect.
+
+```bash
+exec elvish
+```
+
 </TabItem>
 </Tabs>