Fix for the zsh compatibility, necessary for custom setup scripts
For the CVMFS installation, !260 (merged) resulted in a non-functional setup, since one script that is called uses the called script name as relative path (results in export PATH=./bin/gcc:${PATH}
). This is fixed by still changing directories, but calling the setup files with their full names, as in ...
cd /path/to && source /path/to/depsetup.sh && cd -