Green’s Dictionary of Slang

whole bang shoot n.

also entire shoot, whole bang lot, whole shoot, whole shot

[late 19C+] everything or everybody relevant and involved.

In phrases

go for the whole shot (v.)

[20C+] to make an absolute commitment, to indulge oneself completely.

go the whole shot (v.)

[mid-19C+] to commit oneself wholeheartedly.