nixpkgs/pkgs/applications/networking/instant-messengers/telepathy/kde/update.sh

#!/bin/sh

usage() {
  echo "$0 version|directory"
}

download() {
  URL=ftp://ftp.kde.org/pub/kde/unstable/kde-telepathy/$1/src
  destdir=$2
  if test -n "$KDE_FULL_SESSION"; then
    kioclient copy $URL $destdir
  else
    mkdir $destdir
    lftp -c "open $URL; lcd $destdir; mget -c *"
  fi
}

if [[ -d $1 ]]; then
  directory=$1
  version=$(ls $directory/* | head -n1 |
    sed -e "s,$directory/[^0-9.]*\\([0-9.]\\+\\)\\.tar.*,\\1,")
  echo "Version $version"
else
  version=$1
  directory=src-$version
  download $version $directory
fi

packages=$(ls $directory/* | sed -e "s,$directory/\\(.*\\)-$version.*,\\1,")
echo $packages
exec >$version.nix
echo "["
for name in $packages; do
  hash=$(nix-hash --flat --type sha256 --base32 $directory/$name-$version.*)
  key=${name#ktp-}
  echo "{name=\"${name}\";key=\"${key//-/_}\";sha256=\"${hash}\";}"
done
echo "]"