Function isRootedIn

stack/context.go:994–1002

isRootedIn returns a root if the file split in parts exists under root. Uses "/" as path separator.

(root string, parts []string)

//
// Uses "/" as path separator.
func isRootedIn(root string, parts []string) string {
	for i := 1; i < len(parts); i++ {
		suffix := pathJoin(parts[i:]...)
		if isFile(pathJoin(root, suffix)) {
			return pathJoin(parts[:i]...)
		}
	}
	return ""
}

// reModule find the module line in a go.mod file. It works even on CRLF file.
var reModule = regexp.MustCompile(`(?m)^module\s+([^\n\r]+)\r?$`)