fix gh action build

build.sh

@@ -45,8 +45,7 @@ log_file=_log/${ts}_build.log
 echo -e "#\n# build - log file $log_file\n#\n"      2>&1 | tee -a $log_file
 
 echo -e "#\n# sourcing environment from build\n#\n" 2>&1 | tee -a $log_file
-. ~/.klibio/set-env.sh # must not use pipe `2>&1 | tee -a $log_file`, cause export env vars will not work
-. ~/.klibio/set-java.sh 17 2>&1 | tee -a $log_file
+pushd ~/.klibio && set-java.sh 17 && popd 2>&1 | tee -a $log_file
 
 # signing 
 echo -e "#\n# sourcing sign properties\n#\n" 2>&1 | tee -a $log_file