#!/bin/bash
#
# Clones an ubuntu 'universe' package in openSUSE's builservice

project=home:popinet
distro=quantal
repo=xUbuntu_12.10

package=$1
if test -z "$package"; then
    echo "usage: cloneubuntu PACKAGE"
    exit 1
fi

url=http://packages.ubuntu.com/$distro/$package

dsc=`wget -O - $url | grep \.dsc | cut -d\" -f2`
protocol=`echo $dsc | cut -d/ -f 1 | cut -d: -f 1`
if test $protocol != "http"; then
    echo "do not know how to handle protocol for $url"
    exit 1
fi

host=`echo $dsc | cut -d/ -f 3`
path=/`echo $dsc | awk 'BEGIN{FS="/"}{ for (i = 4; i < NF; i++) printf ("%s/", $i);}'`
files=`echo $dsc | awk 'BEGIN{FS="/"}{ print $NF }'`" "

tmp=`mktemp`
if wget -O $tmp $dsc; then :
else
    exit 1
fi

files="$files "`awk 'BEGIN{files = 0}{
  if ($1 == "Files:") files = 1; 
  else if (NF == 0) files = 0;
  else if (files && NF == 3) print $3;
}' < $tmp`
rm -f $tmp

cd $project
if cat <<EOF | osc meta pkg -F - $project $package-$distro; then :
<package project="$project" name="$package-$distro">
  <title>$package-$distro</title>
  <description>Clone of $url</description>
  <build>
    <enable repository="$repo"/>
  </build>
  <publish>
    <disable/>
  </publish>
</package>
EOF
else
    exit 1
fi

if osc checkout $package-$distro && cd $package-$distro; then :
else
    exit 1
fi

echo "<services>" > _service
for f in $files; do
    cat <<EOF >> _service
  <service name="download_url">
    <param name="host">$host</param>
    <param name="protocol">$protocol</param>
    <param name="path">$path$f</param>
  </service>
EOF
done
echo "</services>" >> _service

if osc add _service; then :
else
    exit 1
fi

if osc commit -m "initial cloning"; then :
else
    exit 1
fi