#!/bin/sh

#

# $Id: cvsup 15788 2007-01-24 13:49:38Z dts12 $

#

TAG=

WO=0

DEST=

TMPDIR=/tmp

if [ "x$1" = "x-u" ]; then

    DEST=$2

    shift 2

    # gnu tar (as of 1.15.1) is unable to create portable tar archives, 

    # especially if long file names (>100 char) are present.

    # star is a better replacement.

    if [ -x /usr/bin/star ]; then

        TAR='/usr/bin/star -Hustar -not -pat=*/.svn/* -c -f'

    elif [ -x /bin/tar ]; then

        TAR="/bin/tar --exclude=.svn -c -f"

        echo "warning: star not available, using (less portable) tar..."

    else

        echo "neither /usr/bin/star nor /bin/tar found."

        exit

    fi

fi

if [ $# -eq 0 ]; then

    DIR=$PWD

else

    if [ $# -ne 1 ]; then

        echo "usage: $0 <working directory>"

        exit

    fi

    DIR=$1

fi

if [ -z ${DIR##*/} ];then

   DIR=${DIR%/*}

fi

SUBD=${DIR##*/}

PARENT=${DIR%*$SUBD}

#echo "$DIR = $PARENT + $SUBD"

if [ ! -d $DIR ]; then

    echo "no such directory '$DIR'"

    exit

fi

if [ ! -d $DIR/.svn ]; then

    echo "'$DIR' has no .svn directory!"

    exit

fi

if [ ! -f $DIR/.svn/entries ]; then

    echo "'$DIR' has no .svn/entries!"

    exit

fi

SVNURL=`svn info $DIR| grep URL|cut -f2 -d " "`

SVNTLD=`echo $SVNURL | sed 's:.*svnroot/net-snmp/\([^/]*\).*:\1:'`

if [ "x$SVNTLD" = "xtrunk" ]; then

   TAG="main"

else

   TAG=`echo $SVNURL | sed 's:.*svnroot/net-snmp/[^/]*/\([^/]*\).*:\1:'`

fi

if [ ! -z $DEST ]; then

    if [ -z $TAG ]; then

        echo "no TAG found in $DIR!"

        exit 1

    fi

fi

COMMAND="svn update -q $SVNURL $DIR"

if [ ! -w $DIR/.svn ]; then

    if [ -O $DIR/.svn ]; then

        WO=1

        echo "Making $DIR writable"

        chmod -R u+w $DIR

    fi

fi

echo "Updating directory $DIR from $TAG..."

echo "$COMMAND"

$COMMAND

rc=$?

if [ $rc -ne 0 ]; then

    echo "svn command returned $?"

fi

if [ $WO -eq 1 ]; then

    echo "Making $DIR read-only"

    chmod -R a-w $DIR

fi

if [ ! -z $DEST ]; then

  if [ $rc -ne 0 ]; then

    echo "skipping upload due to rc $rc from svn command"

    exit $rc

  else

    cd $DIR/..

    #echo $PWD

    DATE=`date +%Y%m%d_%H%M`

    SOURCE=net-snmp-svn-$TAG"_$DATE"

    $TAR $TMPDIR/$SOURCE.tar $SUBD

    rc=$?

    if [ $rc -ne 0 ]; then

      echo "skipping upload due to rc $rc from tar command"

      rm -f $TMPDIR/$SOURCE.tar.gz

      exit $rc

    fi

    gzip -f --best $TMPDIR/$SOURCE.tar

    rc=$?

    if [ $rc -ne 0 ]; then

      echo "skipping upload due to rc $rc from gzip command"

      rm -f $TMPDIR/$SOURCE.tar.gz

      exit $rc

    fi

    scp $TMPDIR/$SOURCE.tar.gz $DEST

    rc=$?

    if [ $rc -ne 0 ]; then

      echo "warning: rc $rc from scp command (tarball in $TMPDIR)"

    else

      rm -f $TMPDIR/$SOURCE.tar.gz

    fi

  fi

fi