WIP: experimental bash support for windows

command/root.go

@@ -410,19 +410,27 @@ func ExpandAlias(args []string) (expanded []string, isShell bool, err error) {
 			isShell = true
 			expanded = []string{"sh", "-c", expansion[1:]}
 			if runtime.GOOS == "windows" {
-				argList := ""
-				if len(args[2:]) > 0 {
-					argList = " -ArgumentList @("
-					for i, arg := range args[2:] {
-						argList += fmt.Sprintf("'%s'", arg)
-						if i < len(args[2:])-1 {
-							argList += ","
-						}
-					}
-					argList += ")"
+				//argList := ""
+				//if len(args[2:]) > 0 {
+				//	argList = " -ArgumentList @("
+				//	for i, arg := range args[2:] {
+				//		argList += fmt.Sprintf("'%s'", arg)
+				//		if i < len(args[2:])-1 {
+				//			argList += ","
+				//		}
+				//	}
+				//	argList += ")"
+				//}
+				//invoke := fmt.Sprintf("Invoke-Command -ScriptBlock { %s } %s", expansion[1:], argList)
+				//expanded = []string{"pwsh", "-Command", invoke}
+				executable, err := os.Executable()
+				if err != nil {
+					return
 				}
-				invoke := fmt.Sprintf("Invoke-Command -ScriptBlock { %s } %s", expansion[1:], argList)
-				expanded = []string{"pwsh", "-Command", invoke}
+				invoke := fmt.Sprintf("gh () { %s \"$@\" }; %s", executable, expansion[1:])
+
+				expanded = []string{"bash", "--posix", "-c", invoke, "--"}
+				expanded = append(expanded, args[2:]...)
 			} else {
 				if len(args[2:]) > 0 {
 					expanded = append(expanded, "--")