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#!/bin/bash

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

srcpath="$FTP_BASE/sources/"
logfile="$srcpath/cleanup.txt"

LOCKFILE="/tmp/.sourceball-cleanup.lock"
WORKDIR="/tmp/sourceball-cleanup.$packagename.$UID"

cleanup () {
    restore_umask
    rm -rf "$WORKDIR"
    rm -f "$LOCKFILE"
    exit 0
}

ctrl_c() {
    echo "Interrupted" >&2
    cleanup 0
}

remove_old() {
    if [ -d "$1" ]; then
        pushd "$1" >/dev/null
        PKGVERS=""
        for repo in *; do
            cd "$repo"
            . "PKGBUILD"
            PKGVERS="$PKGVERS $pkgver-$pkgrel"
            cd ..
        done

        for srcpkg in "$srcpath/$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 [ $skip -ne 1 ]; then
                    mv "$srcpkg" $SOURCE_CLEANUP_DESTDIR
                fi
            fi
        done

        popd >/dev/null
    fi
}

if [ -f "$LOCKFILE" ]; then
    owner="$(/usr/bin/stat -c %U $LOCKFILE)"
    echo "error: source tarball generation is already in progress (started by $owner)"
    exit 1
fi

trap cleanup 0
trap ctrl_c 2

/bin/touch "$LOCKFILE"

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

set_umask
/bin/mkdir -p "$WORKDIR"
cd "$WORKDIR"

[ -e "$logfile" ] && /bin/mv "$logfile" "$logfile.old"
echo  "Orphaned sourceballs:" > "$logfile"

for sourceball in "$srcpath"/*$SRCEXT; do
    packagename=$(basename $sourceball)
    packagename=${packagename%-*-*$SRCEXT}

    if ! /usr/bin/svn export -q --force "$SVNREPO/$packagename" "$packagename" >/dev/null 2>&1 \
	&& ! /usr/bin/svn export -q --force "$SVNREPOCOMMUNITY/$packagename" "$packagename" >/dev/null 2>&1 ; then
      echo "$packagename : no longer in svn.  Removing sourceball." >> "$logfile"
      mv $sourceball $SOURCE_CLEANUP_DESTDIR
    elif [ -z "$(ls -A "$packagename/repos")" ]; then
      echo "$packagename : no longer in repos but trunk is still in svn.  Removing sourceball." >> "$logfile"
      mv $sourceball $SOURCE_CLEANUP_DESTDIR
    elif !  source  "$packagename/trunk/PKGBUILD" &&  chk_license ${license[@]}; then
      echo "$packagename : source hosting no longer required by license.  Removing sourceball." >> "$logfile"
      mv $sourceball $SOURCE_CLEANUP_DESTDIR
    else
      remove_old "$packagename/repos/"
    fi
done

cleanup 0