as if all refs under `$GIT_DIR/refs` are specified to be
included.
+--include-tag::
+ Include unasked-for annotated tags if the object they
+ reference was included in the resulting packfile. This
+ can be useful to send new tags to native git clients.
+
--window=[N], --depth=[N]::
These two options affect how the objects contained in
the pack are stored using delta compression. The