#!/bin/bash
# This script rebuilds a list of packages in order
# and reports anything that fails
# 
# Due to sudo usage, it is recommended to allow makechrootpkg
# to be run with NOPASSWD in your sudoers file
#
# FIXME
# Currently uses $(pwd)/rebuilds as the directory for rebuilding...
# TODO make this work for community too

if [ $# -le 1 ]; then
    echo "usage: $(basename $0) <chrootdir> <packages to rebuild>"
    echo "  example: $(basename $0) ~/chroot readline bash foo bar baz"
    exit 1
fi

die () {
    echo $@ >&2
    exit 1
}

bump_pkgrel () {
    # Get the current pkgrel from SVN and update the working copy with it
    # This prevents us from incrementing out of control :)
    pbuild=".svn/text-base/PKGBUILD.svn-base"
    oldrel=$(grep "pkgrel=" $pbuild | cut -d= -f2)

    #remove decimals
    rel=$(echo $oldrel | cut -d. -f1)
    
    newrel=$(($rel + 1))

    sed -i "s/pkgrel=$oldrel/pkgrel=$newrel/" PKGBUILD 
}

chrootdir="$1"; shift
pkgs="$@"

SVNPATH="svn+ssh://svn.archlinux.org/srv/svn-packages"

echo ":: Work will be done in $(pwd)/rebuilds"

REBUILD_ROOT="$(pwd)/rebuilds"
mkdir -p "$REBUILD_ROOT"
cd "$REBUILD_ROOT"

/usr/bin/svn co -N $SVNPATH

FAILED=""
for pkg in $pkgs; do
    cd "$REBUILD_ROOT/svn-packages"

    echo ":: Building '$pkg'"
    /usr/bin/svn update "$pkg"
    cd "$pkg/trunk/"

    bump_pkgrel

    if ! sudo makechrootpkg -u -d -r "$chrootdir" -- --noconfirm; then
        FAILED="$FAILED $pkg"
        echo ":: $pkg Failed!"
        continue
    else
        echo ":: $pkg Complete"
    fi
done

cd "$REBUILD_ROOT"
if [ "$FAILED" != "" ]; then
    echo "Packages failed:"
    for pkg in $FAILED; do
        echo -e "\t$pkg"
    done
fi

echo "SVN pkgbumps in svn-packages/ - commit when ready"