is linked to the current repository, sharing everything except working
directory specific files such as HEAD, index, etc.
+
-If `<branch>` is omitted and neither `-b` nor `-B` is used, then, as a
-convenience, a new branch based at HEAD is created automatically, as if
-`-b $(basename <path>)` was specified.
+If `<branch>` is omitted and neither `-b` nor `-B` nor `--detached` used,
+then, as a convenience, a new branch based at HEAD is created automatically,
+as if `-b $(basename <path>)` was specified.
prune::