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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:2290 – Ismāʿīl b. Masʿūd > Khālid > Shuʿbah > Manṣūr > Mujāhid > Ibn ʿAbbās

"The Messenger of Allah went out to Makkah, and he fasted until he came to 'Usfan. Then he called for a cup and drank." (One of the narrators) Shubah said: "(That was) in Ramadan. Ibn 'Abbas used to say: 'Whoever wants to fast, may fast, and whoever wants to break may break his fast."'  

النسائي:٢٢٩٠ – أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ قَالَ حَدَّثَنَا خَالِدٌ عَنْ شُعْبَةَ عَنْ مَنْصُورٍ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

خَرَجَ رَسُولُ اللَّهِ ﷺ إِلَى مَكَّةَ فَصَامَ حَتَّى أَتَى عُسْفَانَ فَدَعَا بِقَدَحٍ فَشَرِبَ قَالَ شُعْبَةُ فِي رَمَضَانَ فَكَانَ ابْنُ عَبَّاسٍ يَقُولُ مَنْ شَاءَ صَامَ وَمَنْ شَاءَ أَفْطَرَ  

See similar narrations below:

Collected by Aḥmad, Nasāʾī's Kubrá
ahmad:3162 – Muḥammad b. Jaʿfar And Ḥajjāj > Shuʿbah > Manṣūr > Mujāhid > Ibn ʿAbbās

[Machine] The Messenger of Allah ﷺ went out of the city during Ramadan when he opened Mecca and fasted until he reached Usfan. Then he asked for a cup of water or a container, drank from it, and Ibn Abbas used to say, "Whoever wants to fast, let him fast, and whoever wants to break his fast can do so."  

أحمد:٣١٦٢ – حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ وَحَجَّاجٌ قَالَا حَدَّثَنَا شُعْبَةُ عَنْ مَنْصُورٍ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ رَسُولَ اللهِ ﷺ خَرَجَ مِنَ الْمَدِينَةِ فِي رَمَضَانَ حِينَ فَتَحَ مَكَّةَ فَصَامَ حَتَّى أَتَى عُسْفَانَ ثُمَّ دَعَا بِعُسٍّ مِنْ شَرَابٍ أَوْ إِنَاءٍ فَشَرِبَ فَكَانَ ابْنُ عَبَّاسٍ يَقُولُ مَنْ شَاءَ صَامَ وَمَنْ شَاءَ أَفْطَرَ  

nasai-kubra:2610 – Ismāʿīl b. Masʿūd > Khālid > Shuʿbah > Manṣūr > Mujāhid > Ibn ʿAbbās

"The Messenger of Allah went out to Makkah, and he fasted until he came to 'Usfan. Then he called for a cup and drank." (One of the narrators) Shubah said: "(That was) in Ramadan. Ibn 'Abbas used to say: 'Whoever wants to fast, may fast, and whoever wants to break may break his fast."' (Using translation from Nasāʾī 2290)  

الكبرى للنسائي:٢٦١٠ – أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ قَالَ حَدَّثَنَا خَالِدٌ عَنْ شُعْبَةَ عَنْ مَنْصُورٍ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

خَرَجَ رَسُولُ اللهِ ﷺ إِلَى مَكَّةَ «فَصَامَ حَتَّى أَتَى عُسْفَانَ فَدَعَا بِقَدَحٍ فَشَرِبَ» قَالَ شُعْبَةُ فِي رَمَضَانَ فَكَانَ ابْنُ عَبَّاسٍ يَقُولُ مَنْ شَاءَ صَامَ وَمَنْ شَاءَ أَفْطَرَ