#!/bin/sh

set -e

  # Verify environment correctness
test -f "tools/include/config" || {
  echo "must be run from mod-xslt source top level directory" 1>&2
  exit 1
}

  # Include configuration file
. tools/include/config

  # Check existance of site mirror
test -d "$dir_mirror" || {
  echo "couldn't find mod-xslt site mirror directory."
  echo "Without that, this script is almost useless"
  exit 1
}

  # Verify which version this release would be
curr_patchlevel=`$cmd_tla revisions -A $tla_archive $tla_brench_stable 2>/dev/null |tail -n1|cut -d'-' -f2`
curr_patchlevel=`expr $curr_patchlevel + 1`
curr_version="$tla_brench_stable_version"
echo "snapshotting: $curr_version.$curr_patchlevel ($tla_archive/$tla_brench_stable)"

  # Ok, calculate current versions
. $dir_library/get-versions

  # verify version specified in config ac, eventually updating it
test "$lib_version_configac" = "${curr_version}.${curr_patchlevel}" || {
  echo "  - updating $prj_configure ($lib_version_configac -> ${curr_version}.${curr_patchlevel})"

  library_version_configac="${curr_version}.${curr_patchlevel}"
  . $dir_library/set-versions
  curr_changed="true"
}

  # verify configure.ac and configure are in sync
. $dir_library/get-versions
test "$lib_version_configac" = "$lib_version_configure" -a "$prj_configure" -nt "$prj_configac" || {
  echo "  - configure.ac and configure out of sync, regenerating configure ($lib_version_configac, $lib_version_configure)"
  . $dir_library/prepare-configure
  curr_changed="true"
}

  # Try to update documentation
. $dir_library/prepare-documentation

  # Verify if we modified the tree and need to commit it
test -z "$curr_changed" || {
  test "x`echo \+\+*`" = "x++*" &&
    cp $dir_data/tla.changelog `tla make-log`

   logfile=`tla make-log 2>/dev/null`
   cat $dir_data/tla.description >> $logfile
}

tla changes || {
  echo "Do you want to commit the pending changes? [YES,no]"
  read answer

  if test "$answer" == "y" -o "$answer" == "yes" -o -z "$answer"; then
    $cmd_tla commit
  fi
}

  # Now, I need to setup the mirror and sign the snapshot
echo "  - creating repository"
. $dir_library/create-repository
echo "  - created repository $library_repository"

  #  - update the release file
library_ymd=`basename $library_repository`
library_file="$file_snapshots"

echo "  - updating changelog"
. $dir_library/changelog-update

rsync -avz --exclude '.*' --exclude 'build/' --exclude '=build' \
	--exclude 'LAST_*' --exclude '{arch}' --exclude 'tags' \
	--exclude 'ID' --exclude '++log.*' --exclude ',,undo*' \
	. $library_repository/modxslt-`basename $library_repository`/
(
  cd $library_repository
  tar -cvzf modxslt-`basename $library_repository`.tar.gz ./modxslt-`basename $library_repository`
  touch ./modxslt-`basename $library_repository`.tar.gz.asc
)

. $dir_library/changelog-checksums

rm $library_repository/modxslt-`basename $library_repository`.tar.gz.asc && (
  cd $library_repository
  $cmd_sign ./modxslt-`basename $library_repository`.tar.gz 
)