#!/bin/bash
#update-maintainer
#small - thus not perfect - script to update maintainer field in ubuntu packages
#written and (c) 2007 by Albin Tonnerre <lut1n.tne@gmail.com> (Lutin)
#this code is under the GNU GPL V2 licence

if [ ${#@} -ge 1 ]; then
    for argv in "$@"; do
        param=`echo $argv | cut -d'=' -f1`
        value=`echo $argv | cut -d'=' -f2`
        case $param in
            "--path")    path="$value"  ;;
            "--section") section=$value ;;
            "--help")    echo -e "Options: \n --path=PATH : specify the path of the source folder\n --section=SECTION : specify the section of the package (if the package is not yet in the archive or if you don't have the gutsy source repo in your sources.list)"; exit 0         ;;
            *)           echo "Bad parameter, please use --help" >&2; exit 1 ;;
        esac
    done
fi

cd ${path-.}

# look for the debian directory
if [ -f debian/control -a -f debian/changelog ]; then
    DEBIANDIR=debian
elif [ -f control -a -f changelog ]; then
    DEBIANDIR=.
else
    echo "Please run that script in the source folder" >&2 && exit 1
fi

IGNORE_DOMAINS="ubuntu\.com|ubuntu\.com\.au"

[ -n "`head -n 1 $DEBIANDIR/changelog | grep -E "\(*ubuntu.*\)"`" ] &&
[ -z "`grep -E "^Maintainer: .*($IGNORE_DOMAINS)>" $DEBIANDIR/control`" ] || \
{ echo "Not an ubuntu package or already maintained by the ubuntu team" >&2 && \
    exit 1; }

mail=$(grep -E "^Maintainer" $DEBIANDIR/control | sed -r 's/.*<(.*)>/\1/')
case $mail in
    "adconrad@0c3.net")     email="Adam Conrad <adconrad@ubuntu.com>"       ;;
    "mpitt@debian.org")     email="Martin Pitt <martin.pitt@ubuntu.com>"    ;;
esac

if [ -z "$email" ]; then
    if [ -z "$section" ]; then
      DISTRO=$(head -n 1 $DEBIANDIR/changelog|sed -r 's/.*\) (.*);.*/\1/' | cut -d'-' -f1)
      pkgline=$(apt-cache madison `head -n 1 $DEBIANDIR/changelog | cut -d' ' \
        -f1`| grep -m 1 "$DISTRO.*Sources")
      [ -z "$pkgline" ] && echo "You don't have $DISTRO in your source repos" \
        >&2 && exit 1
      section=$(echo $pkgline | grep -Eo "main|universe|multiverse|restricted")
    fi
    case $section in
        "main"|"restricted")        email="Ubuntu Core Developers <ubuntu-devel-discuss@lists.ubuntu.com>"  ;;
        "universe"|"multiverse")    email="Ubuntu MOTU Developers <ubuntu-motu@lists.ubuntu.com>"           ;;
    esac
fi

sed -ri "s/(^Maintainer:) (.*)/\1 $email\nXSBC-Original-\1 \2/" $DEBIANDIR/control
[ -f $DEBIANDIR/control.in ] && sed -ri "s/(^Maintainer:) (.*)/\1 $email\nXSBC-Original-\1 \2/" $DEBIANDIR/control.in

dch "Modify Maintainer value to match Debian-Maintainer-Field Spec"
echo "Maintainer changed to $email"