--git-dir::
Show `$GIT_DIR` if defined else show the path to the .git directory.
+--is-inside-git-dir::
+ When the current working directory is below the repository
+ directory print "true", otherwise "false".
+
+--is-inside-work-tree::
+ When the current working directory is inside the work tree of the
+ repository print "true", otherwise "false".
+
+--is-bare-repository::
+ When the repository is bare print "true", otherwise "false".
+
--short, --short=number::
Instead of outputting the full SHA1 values of object names try to
abbreviate them to a shorter unique name. When no length is specified