for example
cd $ANDROID_ROOT/droid-local-repo/$DEVICE
osc co nemo:devel:hw:$VENDOR:$DEVICE/droid-hal-$DEVICE
cd nemo:devel:hw:$VENDOR:$DEVICE/droid-hal-$DEVICE
for pkg in $(ls ../../{audio*,droid{-hal-$DEVICE*,media*}}); do cp $pkg .; done
cat << EOF > build.script
#!/bin/bash
cd ~/rpmbuild