ubi-setup.sh

#!/bin/sh
set -e


usage() {
    cat <<EOF
USAGE: $(basename $0) <action>

Setup symlinks on an Ubuntu installation to work on Ubiquity

'action' must be one of:

- setup: Create initial symlinks
- status: List symlinks
- dev: Switch to -dev symlinks
- distro: Switch to -distro symlinks
EOF
}

cd $(dirname $0)
SRC_BASE_DIR=$PWD

action=$1

switch_dir() {
    local dir
    local prefix
    dir=$1
    suffix=$2
    if [ ! -h $dir ] ; then
        echo "ERROR: $dir is not a link"
        exit 1
    fi
    sudo rm $dir
    log sudo ln -s $(basename $dir)-$suffix $dir
}

log() {
    echo "Running: $*"
    $*
}

setup_ln() {
    local src
    local dst
    src=$1
    dst=$2
    if [ -h $dst ] ; then
        echo "Not altering $dst, already a link"
        return 0
    fi
    log sudo ln -s $src $dst
}

case "$action" in
dev|distro|status|setup)
    ;;
*)
    echo "ERROR: Unkwown action '$action'."
    echo ""
    usage
    exit 1
    ;;
esac
cd /usr

dirs="
./lib/ubiquity/plugins
./lib/ubiquity/ubiquity
./share/ubiquity/qt
./share/ubiquity-slideshow
"
for dir in $dirs ; do
    case "$action" in
    status)
        ls -ld $dir
        ;;
    setup)
        if [ ! -d $dir-distro ] ; then
            log sudo mv $dir $dir-distro
        fi
        setup_ln $dir-distro $dir
        ;;
    dev)
        switch_dir $dir "dev"
        ;;
    distro)
        switch_dir $dir "distro"
        ;;
    esac
done

if [ "$action" = setup ] ; then
    codedir=$SRC_BASE_DIR/code
    slidedir=$SRC_BASE_DIR/slideshow
    setup_ln $codedir/ubiquity/plugins lib/ubiquity/plugins-dev
    setup_ln $codedir/ubiquity lib/ubiquity/ubiquity-dev
    setup_ln $codedir/gui/qt share/ubiquity/qt-dev
    setup_ln $slidedir/slideshows/kubuntu share/ubiquity-slideshow-dev
fi