Method FindHelperExecutable

src/Squirrel/Utility.cs:344–354

(string toFind, IEnumerable<string> additionalDirs = null)

        }

        public static string FindHelperExecutable(string toFind, IEnumerable<string> additionalDirs = null)
        {
            additionalDirs = additionalDirs ?? Enumerable.Empty<string>();
            var dirs = (new[] { Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) })
                .Concat(additionalDirs ?? Enumerable.Empty<string>());

            var exe = @".\" + toFind;
            return dirs
                .Select(x => Path.Combine(x, toFind))
                .FirstOrDefault(x => File.Exists(x)) ?? exe;
        }

        static string find7Zip()
        {