Cogito(?): git+ssh pulling broken with tcsh as default shell

: tazenda 54 ; cg-clone -s git+ssh://terminus.zytor.com/home/hpa/klibc/official/.git/
defaulting to local storage area
mkdir: cannot create directory `.git/branches': File exists
master           100%   41     0.0KB/s   00:00
GIT_DIR=/home/hpa/klibc/official/.git: Command not found.
error: Couldn't read version from remote end
cg-pull: objects pull failed
cg-clone: pull failed


It looks like it tries to execute a sh/bash script on the remote end, without forcing the remote end to use sh/bash to execute the script.