#!/bin/sh -ex

cur=$(pwd)
tmp=$(mktemp -d)
release=$1
[ -n "$release" ]

git clone . $tmp/gocheese-$release
cd $tmp/gocheese-$release
git checkout v$release

redo-ifchange VERSION

go mod vendor

cat > doc/download.texi <<EOF
You can obtain releases source code prepared tarballs on
@url{http://www.gocheese.cypherpunks.ru/}.
EOF
redo doc/gocheese.info

cd doc
mkinfo() {
    ${MAKEINFO:=makeinfo} --plaintext \
        --set-customization-variable SECTION_NAME_IN_TITLE=1 \
        --set-customization-variable TREE_TRANSFORMATIONS=complete_tree_nodes_menus \
        --set-customization-variable ASCII_PUNCTUATION=1 \
        -D "VERSION `cat ../VERSION`" $@
}

texi=$(mktemp)
cat > $texi <<EOF
\input texinfo
@documentencoding UTF-8
@settitle INSTALL
@include install.texi
@bye
EOF
mkinfo --output ../INSTALL $texi
rm $texi
cd ..

rm -rf .git .gitignore doc/.gitignore doc/style.css makedist doc/www.do VERSION.do
redo-cleanup full

find . -type d -exec chmod 755 {} +
find . -type f -exec chmod 644 {} +
chmod +x contrib/pyshop2packages.sh

cd ..
tar cvf gocheese-"$release".tar --uid=0 --gid=0 --numeric-owner gocheese-"$release"
zstd -19 -v gocheese-"$release".tar
tarball=gocheese-"$release".tar.zst
ssh-keygen -Y sign -f ~/.ssh/sign/gocheese@cypherpunks.ru -n file $tarball
gpg --armor --detach-sign --sign --local-user CD5CD01F55343D88 $tarball
meta4-create -fn "$tarball" -mtime "$tarball" \
    -sig-pgp "$tarball".asc -sig-ssh "$tarball".sig \
    http://www.gocheese.cypherpunks.ru/download/"$tarball" \
    http://y.www.gocheese.cypherpunks.ru/download/"$tarball" < "$tarball" > "$tarball".meta4

size=$(( $(stat -f %z $tarball) / 1024 ))
release_date=$(date "+%Y-%m-%d")

cat <<EOF
An entry for documentation:
@item $release @tab $release_date @tab $size KiB @tab
@url{download/gocheese-${release}.tar.zst.meta4, meta4}
@url{download/gocheese-${release}.tar.zst, tar}
@url{download/gocheese-${release}.tar.zst.asc, pgp}
@url{download/gocheese-${release}.tar.zst.sig, ssh}
EOF

mv $tmp/$tarball $tmp/"$tarball".asc $tmp/"$tarball".sig $tmp/"$tarball".meta4 $cur/doc/gocheese.html/download