/etc/pbuilderrc on sid to build packages for both Debian and Ubuntu

gistfile1.sh

# Codenames for Debian suites according to their alias. Update these when
# needed.
UNSTABLE_CODENAME="sid"
TESTING_CODENAME="wheezy"
STABLE_CODENAME="squeeze"
STABLE_BACKPORTS_SUITE="$STABLE_CODENAME-backports"
OLDSTABLE_CODENAME="lenny"

# List of Debian suites.
DEBIAN_SUITES=($UNSTABLE_CODENAME $TESTING_CODENAME $STABLE_CODENAME $OLDSTABLE_CODENAME
    "unstable" "testing" "stable" "oldstable")

# List of Ubuntu suites. Update these when needed.
UBUNTU_SUITES=("oneiric" "natty" "maverick" "jaunty" "intrepid" "hardy" "gutsy")

# Mirrors to use. Update these to your preferred mirror.
DEBIAN_MIRROR="cdn.debian.net"
UBUNTU_MIRROR="archive.ubuntu.com"

# Optionally use the changelog of a package to determine the suite to use if
# none set.
if [ -z "${DIST}" ] && [ -r "debian/changelog" ]; then
    DIST=$(dpkg-parsechangelog | awk '/^Distribution: / {print $2}')
    # Use the unstable suite for Debian experimental packages.
    if [ "${DIST}" == "experimental" ]; then
        DIST="unstable"
    fi
fi

# Optionally set a default distribution if none is used. Note that you can set
# your own default (i.e. ${DIST:="unstable"}).
: ${DIST:="$(lsb_release --short --codename)"}

## Optionally change Debian codenames in $DIST to their aliases.
#case "$DIST" in
#    $UNSTABLE_CODENAME)
#        DIST="unstable"
#        ;;
#    $TESTING_CODENAME)
#        DIST="testing"
#        ;;
#    $STABLE_CODENAME)
#        DIST="stable"
#        ;;
#    $OLDSTABLE_CODENAME)
#        DIST="oldstable"
#        ;;
#esac

# Optionally set the architecture to the host architecture if none set. Note
# that you can set your own default (i.e. ${ARCH:="i386"}).
: ${ARCH:="$(dpkg --print-architecture)"}

NAME="$DIST"
if [ -n "${ARCH}" ]; then
    NAME="$NAME-$ARCH"
    DEBOOTSTRAPOPTS=("--arch" "$ARCH" "${DEBOOTSTRAPOPTS[@]}")
fi
BASETGZ="/var/cache/pbuilder/$NAME-base.tgz"
DISTRIBUTION="$DIST"
BUILDRESULT="/var/cache/pbuilder/$NAME/result/"
APTCACHE="/var/cache/pbuilder/$NAME/aptcache/"
BUILDPLACE="/var/cache/pbuilder/build/"

if $(echo ${DEBIAN_SUITES[@]} | grep -q $DIST); then
    # Debian configuration
    MIRRORSITE="http://$DEBIAN_MIRROR/debian/"
    COMPONENTS="main contrib non-free"
#   if $(echo "$STABLE_CODENAME stable" | grep -q $DIST); then
#       EXTRAPACKAGES="$EXTRAPACKAGES debian-backports-keyring"
#       OTHERMIRROR="$OTHERMIRROR | deb http://www.backports.org/debian $STABLE_BACKPORTS_SUITE $COMPONENTS"
#   fi
elif $(echo ${UBUNTU_SUITES[@]} | grep -q $DIST); then
    # Ubuntu configuration
    MIRRORSITE="http://$UBUNTU_MIRROR/ubuntu/"
    COMPONENTS="main restricted universe multiverse"
    for ((i=0; i<${#DEBOOTSTRAPOPTS[@]}; i++)); do
        if test "x--keyring" = "x${PREVIOUS}"; then
          DEBOOTSTRAPOPTS[$i]="/usr/share/keyrings/ubuntu-archive-keyring.gpg"
        fi
        PREVIOUS=${DEBOOTSTRAPOPTS[$i]}
    done
else
    echo "Unknown distribution: $DIST"
    exit 1
fi