Specify the directory from which templates will be used. (See the "TEMPLATE
DIRECTORY" section below.)
---shared[={false|true|umask|group|all|world|everybody|0xxx}]::
+--shared[=(false|true|umask|group|all|world|everybody|0xxx)]::
Specify that the git repository is to be shared amongst several users. This
allows users belonging to the same group to push into that