#!/bin/sh

# usage: cvs-snapshot [-q] REPOSITORY OUTPUT-DIR MODULE CVS-EXPORT-OPTS...

if [ "$1" = "-q" ]; then
  opt_quiet=yes; shift
fi

if [ $# -lt 3 ]; then
  echo "usage: $0 [-q] REPOSITORY OUTPUT-DIR MODULE CVS-EXPORT-OPTS..."
  exit 1
fi

repos=$1
output=$2
module=$3
shift 3

if [ -z "$repos" ]; then
  echo "Need a CVS repository!"
  exit 1
fi

if [ "x$opt_quiet" = "xyes" ]; then
  exec >/dev/null 2>&1
fi

tmpdir=${TMPDIR:-/var/tmp}/cvs_snap_$$
olddir=`pwd`

mkdir $tmpdir
cd $tmpdir

snapdir=$module-`date '+%Y%m%d'`

cvs -d $repos export -r HEAD $* -d $snapdir $module
tar cf - $snapdir | gzip -c -9 > $output/$snapdir.tar.gz
rm -rf $snapdir

cd $olddir
rmdir $tmpdir