#!/bin/bash

DATE=`date "+%Y%m%d"`

VERSION="hg-$DATE"

REPO="./enano-hg"

REVISION="tip"

usage()

{

  cat <<EOF

Usage: $0 [flags]

Available command-line parameters:

  -h                This help

  -v version        Specify version of package (default: hg-$DATE)

  -r revision       Mercurial revision to pull (default: tip)

  -R repopath       Path to Mercurial repository (default: ./enano-hg)

EOF

  exit 1

}

fail()

{

  echo $1

  exit 1

}

while [ -n "$1" ]; do

  case "$1" in

    -v)

      VERSION="$2"

      shift

      ;;

    -r)

      REVISION="$2"

      shift

      ;;

    -R)

      REPO="$2"

      shift

      ;;

    *)

      usage

      ;;

  esac

  shift

done

if [ -z "$VERSION" -o -z "$REVISION" -o -z "$REPO" ]; then

  usage

fi

if [ ! -d "$REPO/.hg" ]; then

  echo "ERROR: Could not find the Enano Mercurial repository at $REPO."

  echo "Perhaps you need to obtain a copy?"

  echo "  $ hg clone http://hg.enanocms.org/repos/enano-1.1 ./enano-hg"

  echo "If you have a copy somewhere else, make a symlink:"

  echo "  $ ln -s /path/to/enano/hg ./enano-hg"

  exit 1

fi

printf "Compacting self-extraction script..."

sed -f compact-shellscript.sed self-extract-src.sh > self-extract.sh || fail "Failed to generate compacted self-extract script"

printf "\nPulling latest code..."

hg -R $REPO archive -r $REVISION -t tgz enano-$VERSION.tar.gz || fail "Could not pull revision $REVISION from Mercurial repo"

printf "\nExtracting..."

tar xzCf `dirname $0`/stage enano-$VERSION.tar.gz || fail "Could not extract tarball"

rm -f enano-$VERSION.tar.gz

printf "\nCreating payload..."

cd stage

tar cjf ../enano-$VERSION-selfextract.tar.bz2 * || fail "Could not create staging tarball"

rm -rf enano-$VERSION

cd ..

printf "\nWriting output..."

cat self-extract.sh enano-$VERSION-selfextract.tar.bz2 > enano-$VERSION-bitnami-module.sh || fail "Could not write output"

chmod +x enano-$VERSION-bitnami-module.sh

rm -f enano-$VERSION-selfextract.tar.bz2

echo -e "\nDone! Output written to enano-$VERSION-bitnami-module.sh"