configure

#!/bin/sh

# Licensed 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.

OS=`uname -s`
ARCH=`uname -m`
VERSION=`git describe --tags`

# PREFIX is by default the current directory
PREFIX="/opt/rcouch"
RCOUCH_USER=`whoami`
ABSPATH="$(cd "${0%/*}" 2>/dev/null; echo "$PWD"/"${0##*/}")"
if test ! -n "$DIRPATH"; then DIRPATH=`dirname "$ABSPATH"`; fi

basename=`basename $0`

display_error () {
    if test -n "$1"; then
        echo $1 >&2
    fi
    echo >&2
    echo "Try \`"$basename" -h' for more information." >&2
    false
}

display_help ()
{
    cat << EOF
Usage: $basename [OPTION]

  -p PREFIX   prefix path
  -d DATA     set the database directory ($PREFIX/var/lib)
  -l LOG      set the log directory ($PREFIX/var/log)
  -v VIEW     set the view directory ($PREFIX/var/lib)
  -u USER     set the user directory
  -r RUN      set the run directory ($PREFIX/var/run)
  -s SYSCONF  sett the sysconf directory ($PREFIX/etc)
EOF
}


CURL_BIN=`which curl`
if ! test -n "CURL_BIN"; then
    display_error "Error: curl is required. Add it to 'PATH'" 
    exit 1
fi

while [ $# -gt 0 ]
do
  case $1
  in
    -p)
      PREFIX=$2
      shift 2
    ;;
    -d)
      DATA=$2
      shift 2
    ;;
    -l)
      LOG=$2
      shift 2
      ;;
    -v)
      VIEW=$2
      shift 2
    ;;
    -u)
      RCOUCH_USER=$2
      shift 2
    ;;
    -r)
      RUN=$2
      shift 2
      ;;
    -R)
      RCOUCH_USER=rcouch
      shift 1 
    ;;
    -s)
      SYSCONF=$2
      shift 2
      ;;
    *)
      display_help
      exit
    ;;
  esac
done

if test ! -n "$DATA"; then DATA="$PREFIX/var/lib"; fi
if test ! -n "$VIEW"; then VIEW="$PREFIX/var/lib"; fi
if test ! -n "$SYSCONF"; then SYSCONF="$PREFIX/etc"; fi
if test ! -n "$RUN"; then RUN="$PREFIX/var/run"; fi
if test ! -n "$LOG"; then LOG="$PREFIX/var/log"; fi


echo "==> configuring rcouch in rel/rcouch.config"
cat > rel/rcouch.config << EOF
{prefix, "$PREFIX"}.
{data_dir, "$DATA"}.
{view_dir, "$VIEW"}.
{sysconf_dir, "$SYSCONF"}.
{run_dir, "$RUN"}.
{log_dir, "$LOG"}.
{user, "$RCOUCH_USER"}.
{node_name, "-sname rcouch"}.
{couchdb_port, 5984}.
{ssl_port, 6986}.
EOF

cat > config.mk << EOF
# The contents of this file are auto-generated by configure
PREFIX = $PREFIX
DATADIR = $DATA
VIEWDIR = $VIEW
SYSCONF_DIR = $SYSCONF
RUNDIR = $RUN
LOGDIR = $LOG
RCOUCH_USER = $RCOUCH_USER
OS = $OS
ARCH = $ARCH
VERSION = $VERSION
EOF

# finally, a few config files for local development nodes

cat > rel/dev.config << EOF
{prefix, "$DIRPATH/rel/dev"}.
{data_dir, "$DIRPATH/rel/tmpdata/dev"}.
{view_dir, "$DIRPATH/rel/tmpdata/dev"}.
{sysconf_dir, "$DIRPATH/rel/dev/etc"}.
{run_dir, "$DIRPATH/rel/dev/var/run"}.
{log_dir, "$DIRPATH/rel/dev/var/log"}.
{user, "$RCOUCH_USER"}.
{node_name, "-name dev@127.0.0.1"}.
{couchdb_port, 15984}.
{ssl_port, 16986}.
EOF

cat rel/rcouch.config