#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#
# Script for creating and tagging a source distribution
#


### UTILITIES

# Print an error message and then exit.
function error
{
  echo "$0: FATAL: $1"
  exit 1
}


### SETUP

# default settings
project_name="NO_PROJECT"
distserver="people.apache.org"
excludes=""

# detect some settings
trunkurl=`svn info | grep 'URL:' | sed 's/URL: //'`
[[ "x$trunkurl" == "x" ]] && error "cannot find working copy url"
codebase=`echo $trunkurl | sed 's/trunk//'`
tagsbase="${codebase}tags"

revision=`svn info | grep 'Revision:' | sed 's/Revision: //'`
[[ "x$revision" == "x" ]] && error "cannot find working copy revision"
currdate=`date +%Y%m%d`
[[ "x$currdate" == "x" ]] && error "cannot find current date"

# load configuration
source release-settings.sh

# settings that are based on/overridable by configuration
if [[ "x$releasename" == "x" ]]; then
  releasename="$project_name-r$revision-$currdate-incubating"
fi
if [[ "x$distserverpath" == "x" ]]; then
  distserverpath="~/public_html/releases/$project_name"
fi


### SAFETY CHECKS

# check the tag does not exist yet
for tag in `svn ls "$tagsbase"`; do
  basetag=`echo "$tag" | sed 's/\///g'`
  if [[ "$releasename" == "$basetag" ]]; then
    echo "WARNING: tag $tagname already exists within" 'repository!'
  fi
done


### Go!

echo svn checkout -q -r "'$revision'" "'$trunkurl'" "'$releasename'"
echo cd "'$releasename'"
echo rm -rf $excludes
echo cd ..
echo java -jar tools/rat-0.4.1.jar "'$releasename'"
echo tar cjf "'$releasename.tar.bz2'" "'$releasename'"
echo md5 "'$releasename.tar.bz2'" '>'  "'$releasename.tar.bz2.md5'"
echo gpg --armor --output "'$releasename.tar.bz2.asc'" \
        --detach-sig "'$releasename.tar.bz2'"
echo svn copy -m "'Tagging release $releasename.'" \
        "'$trunkurl'" "'$tagsbase/$releasename'"
echo ssh "'$distserver'" mkdir -p "'$distserverpath'"
echo scp "'$releasename.tar.bz2' '$releasename.tar.bz2.md5' '$releasename.tar.bz2.asc'" \
        "'$distserver:$distserverpath'"