#!/bin/bash

. "$(dirname $0)/../db-functions"
. "$(dirname $0)/../config"

script_lock

${CLEANUP_DRYRUN} && warning 'dry run mode is active'

remove_old() {
    if [ -d "$1" ]; then
        pushd "$1" >/dev/null
        PKGVERS=""
        for repo in *; do
            cd "$repo"
            if [ -f PKGBUILD ]; then
                pkgver=$(. PKGBUILD; echo ${pkgver})
                pkgrel=$(. PKGBUILD; echo ${pkgrel})
                PKGVERS="$PKGVERS $pkgver-$pkgrel"
            else
                error "PKGBUILD not found in $1/$repo"
            fi
            cd ..
        done

        for srcpkg in "${FTP_BASE}/${SRCPOOL}/$packagename-"*; do
            [ -f "$srcpkg" ] || continue
            if [ "$(pkgname_from_src $srcpkg)" == "$packagename" ]; then
                skip=0
                pver="$(pkgver_from_src $srcpkg)"
                for v in $PKGVERS; do
                    if [ "$v" = "$pver" ]; then
                        skip=1
                        break
                    fi
                done
                if [ $skip -ne 1 ]; then
                    ${CLEANUP_DRYRUN} || mv "$srcpkg" $SOURCE_CLEANUP_DESTDIR
                fi
            fi
        done

        popd >/dev/null
    fi
}

#adjust the nice level to run at a lower priority
/usr/bin/renice +10 -p $$ > /dev/null

set_umask
cd "$WORKDIR"

for sourceball in "${FTP_BASE}/${SRCPOOL}"/*$SRCEXT; do
    [ -f "$sourceball" ] || continue
    packagename=$(basename $sourceball)
    packagename=${packagename%-*-*$SRCEXT}

    if grep -q "^${packagename}\$" "$(dirname $0)/../cron-jobs/sourceballs.skip"; then
      msg "$packagename : package found in sourceballs.skip. Removing sourceball."
      ${CLEANUP_DRYRUN} || mv $sourceball $SOURCE_CLEANUP_DESTDIR
    fi
    if ! /usr/bin/svn export -q --force "$SVNREPO/$packagename" "$packagename" >/dev/null 2>&1; then
      if [ $? -ne 1 ]; then
        error "$packagename : svn died during export. Skipping sourceball."
      else
        msg "$packagename : no longer in svn.  Removing sourceball."
        ${CLEANUP_DRYRUN} || mv $sourceball $SOURCE_CLEANUP_DESTDIR
      fi
    elif [ -z "$(ls -A "$packagename/repos")" ]; then
      warning "$packagename : no longer in repos but trunk is still in svn.  Removing sourceball."
      ${CLEANUP_DRYRUN} || mv $sourceball $SOURCE_CLEANUP_DESTDIR
    elif ! chk_license $(. "$packagename/trunk/PKGBUILD"; echo ${license[@]}); then
      if ! grep -q "^${packagename}\$" "$(dirname $0)/../cron-jobs/sourceballs.force"; then
        msg "$packagename : source hosting no longer required by license.  Removing sourceball."
        ${CLEANUP_DRYRUN} || mv $sourceball $SOURCE_CLEANUP_DESTDIR
      fi
    else
      remove_old "$packagename/repos/"
    fi
done

script_unlock