Sahih al-Bukhari 1634
Book 25: Hajj (Pilgrimage) · Narrated by Ibn `Umar
Arabic
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ أَبِي الأَسْوَدِ، حَدَّثَنَا أَبُو ضَمْرَةَ، حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ قَالَ اسْتَأْذَنَ الْعَبَّاسُ بْنُ عَبْدِ الْمُطَّلِبِ ـ رضى الله عنه ـ رَسُولَ اللَّهِ صلى الله عليه وسلم أَنْ يَبِيتَ بِمَكَّةَ لَيَالِيَ مِنًى مِنْ أَجْلِ سِقَايَتِهِ، فَأَذِنَ لَهُ.
English translation
Narrated Ibn `Umar:Al `Abbas bin `Abdul-Muttalib asked the permission of Allah's Messenger (ﷺ) to let him stay in Mecca during the nights of Mina in order to provide the pilgrims with water to drink, so the Prophet (ﷺ) permitted him
Reference: Sahih al-Bukhari 1634, Book of Hajj (Pilgrimage). English translation by Dr. Muhammad Muhsin Khan.