Function DetectShell

internal/cmd/shell.go:52–64

DetectShell returns a Shell instance from the given target. target is usually $0 and can also be prefixed by `-`

(target string)

//
// target is usually $0 and can also be prefixed by `-`
func DetectShell(target string) Shell {
	target = filepath.Base(target)
	// $0 starts with "-"
	if target[0:1] == "-" {
		target = target[1:]
	}

	detectedShell, isValid := supportedShellList[target]
	if isValid {
		return detectedShell
	}
	return nil
}