When developing an OSGI plugin, you often (always) need to generate an OSGi "fragment" which takes the place of manually having to change the osgi-exports.conf line by line.
Below is a quick hack to build a list of all the imported packages that are used in your OSGi plugin. This should be be run from the command line in the root of your OSGi plugin
grep -h -R "^import " * | grep -v "^import java." | sed 's/^import//g' | awk 'BEGIN{FS="."}{for (i=1; i<NF; i++) printf $i"."}' |tr "[:space:]" '\n' | uniq | sed 's/^/ /g'|sed 's/\.$/,/g'