shrink cdist env and make it usable for . ./bin/cdist-env (in sh)

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

bin/cdist-env

@@ -21,23 +21,13 @@
 # Setup environment for use with cdist - must be standalone!
 #
 
-__cdist_pwd="$(pwd -P)"
-__cdist_mydir="${0%/*}";
-__cdist_abs_mydir="$(cd "$__cdist_mydir" && pwd -P)"
-__cdist_myname=${0##*/};
-__cdist_abs_myname="$__cdist_abs_mydir/$__cdist_myname"
+export PATH="$(cd "${0%/*}" && pwd -P):$PATH"
+export MANPATH="$(cd "${0%/*}/../doc/man" && pwd -P):$MANPATH"
 
-shell_binary=${SHELL##*/}
-
-NEWPATH="$__cdist_abs_mydir:$PATH"
-cd "$__cdist_abs_mydir/../doc/man"
-NEWMANPATH="$(pwd -P):$MANPATH"
-
-# Match csh, tcsh to handle differently
-if [ "$(echo $shell_binary | grep 'csh$')" ]; then
-   echo setenv PATH $NEWPATH \;
-   echo setenv MANPATH $NEWMANPATH
+if [ "$(echo ${SHELL##*/} | grep 'csh$')" ]; then
+   echo setenv PATH $PATH \;
+   echo setenv MANPATH $MANPATH
 else
-   echo export PATH=$NEWPATH
-   echo export MANPATH=$NEWMANPATH
+   echo export PATH=$PATH
+   echo export MANPATH=$MANPATH
 fi