#! /bin/sh

set -e

rel=yes
if test x"$1" = x-t ; then
   rel=
   shift
fi

if test x"$rel" = xyes ; then
  # Check there are no uncommitted changes.
  if git commit -a --dry-run >/dev/null 2>/dev/null ; then
    echo 'There are uncommitted changes - please rectify'
    echo 'If you just want to test, run with option -t'
    exit 1
  fi

  test ! -f Makefile || make distclean
  cp -u /usr/share/misc/config.guess .
  cp -u /usr/share/misc/config.sub .
  mv INSTALL INSTALL.keep
  autoreconf --force -i
  mv INSTALL.keep INSTALL
  ./configure CC=gcc CXX=g++
  make distcheck
  # FIXME: setting c89 doesn't define unix and suppresses getc_unlocked().
  # Tell the preprocessor to be C89 - this makes it reject // comments
  # FIXME -Werror makes configure explode CFLAGS="-Werror -Wp,-std=c89"
  # FIXME   CXXFLAGS="-Werror"
else
  make dist
fi

# Perform mingw build on a clean unpacked source tree from the release tarball
# so that (a) we don't need to "make distclean" on the source tree and (b) we
# ensure that any files required to build the mingw version and installer
# package are actually shipped in the source tarball.
tarball=`ls -1t survex-1*.tar.gz|head -n1`
tardir=`basename "$tarball" .tar.gz`
rm -rf "$tardir"
tar xf "$tarball"
cd "$tardir"

test -n "$build_platform" || build_platform=`sh config.guess`
SAVE_PATH=$PATH
for wxc in \
  /usr/i586-mingw32msvc/lib/wx/config/i586-mingw32msvc-msw-unicode-static-3.0 \
  /usr/lib/wx/config/i586-mingw32msvc-msw-unicode-release-static-2.8 \
  /usr/lib/wx/config/i686-w64-mingw32-msw-unicode-release-static-2.8 \
  "" ; do
  if test -z "$wxc" ; then
    echo "wx-config for mingw not found" >&2
    exit 1
  fi
  if test -x "$wxc" ; then
    CC=`$wxc --cc`
    CXX=`$wxc --cxx`
    break
  fi
done
case $CC in
  *i586-mingw32msvc-gcc)
    # debian mingw32 package
    PATH=/usr/i586-mingw32msvc/bin:$PATH
    ;;
  *i386-mingw32msvc-gcc)
    # debian mingw32 package
    PATH=/usr/i386-mingw32msvc/bin:$PATH
    ;;
esac

# Passing -Werror to configure causes AC_CHECK_FUNCS to fail, so pass it to
# make instead.
./configure --host=mingw32 --build="$build_platform" CC="$CC" CXX="$CXX" CXXFLAGS="-g -O2 -fno-strict-aliasing -Werror" WX_CONFIG="$wxc" LDFLAGS='-s -static'
make CFLAGS=-Werror
make mingw_iss
PATH=$SAVE_PATH

mv survex-win32-*.exe ..
cd ..

if test x"$rel" = xyes ; then
  rm -rf "$tardir"
fi

VERSION=`sed 's/^VERSION *= *//p;d' Makefile`
FILES="survex-$VERSION.tar.gz survex-win32-$VERSION.exe"
echo "SHA1 checksums:"
sha1sum $FILES
echo

gpg --detach-sign --armour $FILES
for f in $FILES ; do
    FILES="$FILES $f.asc"
done

echo "To tag this release and upload it to the webserver, run:"
echo git tag -m"'Tagging $VERSION'" "$VERSION"

HOST=atreus.tartarus.org
echo ssh "$HOST" mkdir /srv/www/survex.com/software/"$VERSION"
echo scp $FILES "$HOST":/srv/www/survex.com/software/"$VERSION"