показать изменения между коммитами, фиксацией и рабочим деревом и т.д. (Show changes between commits, commit and working tree, etc)
Синопсис (Synopsis)
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>