feat(upgrade): add terminal progress indication

src/cli/upgrade.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/jandedobbeleer/oh-my-posh/src/engine"
 	"github.com/jandedobbeleer/oh-my-posh/src/platform"
+	"github.com/jandedobbeleer/oh-my-posh/src/terminal"
 	"github.com/jandedobbeleer/oh-my-posh/src/upgrade"
 	"github.com/spf13/cobra"
 )
@@ -37,6 +38,11 @@ var upgradeCmd = &cobra.Command{
 		env.Init()
 		defer env.Close()
 
+		terminal.Init(env.Shell())
+		fmt.Print(terminal.StartProgress())
+
+		defer fmt.Print(terminal.StopProgress())
+
 		if force {
 			upgrade.Run(env)
 			return

src/terminal/writer.go

@@ -134,6 +134,9 @@ const (
 	hyperLinkText    = "<TEXT>"
 	hyperLinkTextEnd = "</TEXT>"
 
+	startProgress = "\x1b]9;4;3;0\x07"
+	endProgress   = "\x1b]9;4;0;0\x07"
+
 	WindowsTerminal = "Windows Terminal"
 	Warp            = "WarpTerminal"
 	ITerm           = "iTerm.app"
@@ -360,6 +363,22 @@ func LineBreak() string {
 	return cr + lf
 }
 
+func StartProgress() string {
+	if Program != WindowsTerminal {
+		return ""
+	}
+
+	return fmt.Sprintf(formats.escape, startProgress)
+}
+
+func StopProgress() string {
+	if Program != WindowsTerminal {
+		return ""
+	}
+
+	return fmt.Sprintf(formats.escape, endProgress)
+}
+
 func Write(background, foreground, text string) {
 	if len(text) == 0 {
 		return