Admin/makebundle

explicit file specifications -- avoid secondary load path;

#!/usr/bin/env bash
#
# makebundle -- re-package with add-on components

## diagnostics

PRG=$(basename "$0")

function usage()
{
  echo
  echo "Usage: $PRG ARCHIVE PLATFORM"
  echo
  echo "  Re-package Isabelle source distribution with add-on components"
  echo "  and heap images"
  echo
  exit 1
}

function fail()
{
  echo "$1" >&2
  exit 2
}


## implicit and explicit arguments

TMP="/var/tmp/isabelle-makebundle$$"
mkdir "$TMP" || fail "Cannot create directory $TMP"

[ "$#" -ne 2 ] && usage

ARCHIVE="$1"; shift
PLATFORM="$1"; shift

[ -f "$ARCHIVE" ] || fail "Bad source archive: $ARCHIVE"


## main

ARCHIVE_DIR="$(cd $(dirname "$ARCHIVE"); echo "$PWD")"
ISABELLE_NAME="$(basename "$ARCHIVE" .tar.gz)"
ISABELLE_HOME="$TMP/$ISABELLE_NAME"

tar -C "$TMP" -x -z -f "$ARCHIVE"


echo "#bundled components" >> "$ISABELLE_HOME/etc/components"

for CONTRIB in "$ARCHIVE_DIR"/contrib/*.tar.gz
do
  tar -C "$ISABELLE_HOME/contrib" -x -z -f "$CONTRIB"
  NAME="$(basename "$CONTRIB" .tar.gz)"
  [ -d "$ISABELLE_HOME/contrib/$NAME" ] || fail "Bad archive content $CONTRIB"

  if [ -e "$ISABELLE_HOME/contrib/$NAME/etc/settings" ]; then
    echo "component $NAME"
    echo "contrib/$NAME" >> "$ISABELLE_HOME/etc/components"
  else
    echo "package $NAME"
  fi
done


HEAPS_ARCHIVE="$ARCHIVE_DIR/${ISABELLE_NAME}_heaps_${PLATFORM}.tar.gz"
[ -f "$HEAPS_ARCHIVE" ] || fail "Bad heaps archive: $HEAPS_ARCHIVE"
echo "heaps"
tar -C "$TMP" -x -z -f "$HEAPS_ARCHIVE"


BUNDLE_ARCHIVE="${ARCHIVE_DIR}/${ISABELLE_NAME}_bundle_${PLATFORM}.tar.gz"

echo "$(basename "$BUNDLE_ARCHIVE")"
tar -C "$TMP" -c -z -f "$BUNDLE_ARCHIVE" Isabelle "$ISABELLE_NAME"


# clean up
cd /tmp
rm -rf "$TMP"