# Usage: sh -ex PREP-ZIP <N>				-*-shell-script-*-
#
# This is a simple shell script you can use to prepare a zipfile unattended
# (it presumes availability of GNU wget, gzip, patch and emacs in your PATH).
# Download it, modify to taste, run it, and report any problems to ttn!

  test -n "$1" || { echo "Usage: sh -ex $0" '<N>' ; exit 1 ; }
  set -ex

  N=$1
  e4vms="http://www.gnuvola.org/software/emacs-for-vms"
  diffgz=basis-${N}-synch-${N}.diff.gz
  cvs='cvs -d :ext:anoncvs@subversions.gnu.org:/cvsroot/emacs'
  basisrev="-r ttn-vms-21-2-B${N}"
  zn=b${N}s${N}

  if [ -d basis ] ; then
      ( cd basis ; $cvs update $basisrev )
  else
      $cvs checkout -d basis $basisrev emacs
  fi
  cp -pr basis emacs
  rm -rf `find emacs -name CVS -print`
  test -f $diffgz || wget $e4vms/$diffgz
  cd emacs
  gzip -d -c ../$diffgz | patch -p1 -b '~~'
  rm -f `find . -name '*~~'`
  emacs -batch \
      --load vms/make-mms-derivative.el \
      --eval '(setq make-mms-derivative-root-dir default-directory)' \
      --eval '(make-mms-derivative "Makefile.in")' \
      --eval '(make-mms-derivative "src/Makefile.in")'
  cd ..
  mv emacs $zn
  zip -r ${zn}.zip $zn
  rm -rf $zn

# PREP-ZIP ends here