#!/bin/sh
# Thu Nov 25 20:51:04 EST 2021
#
# Make a unix tarball to support Debian package creation.
# Run this script in a clean directory.

if test ! -d platforms
then
  svn co http://squeakvm.org/svn/squeak/trunk/platforms
fi

if test ! -d src
then
  svn co http://squeakvm.org/svn/squeak/trunk/src
fi

unix=platforms/unix
change_log=${unix}/ChangeLog # a file under SVN version control
interp_h=src/vm/interp.h # generated code containing VMM version information

# vmmversion and svnversion logic copied from platforms/unix/cmake/configure
vmmversion="`tr '\015 ' '\012\012' < \"${interp_h}\" | sed '1,/VMMaker/d;q'`"
if test -d "${unix}/../.svn" -o -d "${unix}/../../.svn"; then
    svnversion=`svn info "${unix}/ChangeLog" | fgrep Revision: | awk '{print $2}'`
    echo "${svnversion}" > "${unix}/svnversion"
else
    svnversion=`cat "${unix}/svnversion"`
fi

dirname=Squeak-${vmmversion}-${svnversion}
tarname=${dirname}-src.tar.gz

# copy platforms and src, removing obsolete unix src dir
# and excluding .svn meta information
find src/* platforms/Cross platforms/unix \
  -wholename "platforms/unix/src" -prune -o -print \
  | cpio -pmd ${dirname}

# prepare a build directory for the final tarball
mkdir ${dirname}/build
cp platforms/unix/cmake/Makefile.example ${dirname}/build/Makefile

tar czvf $tarname ${dirname}

rm -rf ${dirname}
echo created unix squeakvm tarball $tarname