Quran Al-Fath 48:27

Translation

Certainly has Allāh showed to His Messenger the vision [i.e., dream] in truth. You will surely enter al-Masjid al-Ḥarām, if Allāh wills, in safety, with your heads shaved and [hair] shortened, not fearing [anyone]. He knew what you did not know and has arranged before that a conquest near [at hand].