DIFF

	Show changes between the working tree and the index or a tree, changes
	between the index and a tree, changes between two trees, changes
	resulting from a merge, changes between two blob objects, or changes
	between two files on disk.

	Command Syntax:

		git diff [<options>] [<commit>] [--] [<path>…​]
		git diff [<options>] --cached [--merge-base] [<commit>] [--] [<path>…​]
		git diff [<options>] [--merge-base] <commit> [<commit>…​] <commit> [--] [<path>…​]
		git diff [<options>] <commit>…​<commit> [--] [<path>…​]
		git diff [<options>] <blob> <blob>
		git diff [<options>] --no-index [--] <path> <path>