build each package in its own rpmbuild folder

rpmsetup.sh

#!/bin/bash
if [[ -z $1 ]]; then
  echo "usege: $0 new|link <build>";
  exit 1
fi

if [[ -z $2 ]]; then
  echo "build name required"
  exit 2
fi

if [[ "$1" == "new" ]]
then
  echo "Creating rpmbuild tree under: ~/rpmbuild-$2"
  mkdir -p ~/rpmbuild-$2/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
  ln -nsf ~/rpmbuild-$2 ~/rpmbuild
elif [[ "$1" == "link" ]]
then
  echo "Linking rpmbuild tree: ~/rpmbuild-$2"
  ln -nsf ~/rpmbuild-$2 ~/rpmbuild
else
  echo "unkown command $1"
fi