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

mkinfo() {
    ${MAKEINFO:=makeinfo} --plaintext \
        --set-customization-variable CLOSE_QUOTE_SYMBOL=\" \
        --set-customization-variable OPEN_QUOTE_SYMBOL=\" \
        -D "VERSION `cat VERSION`" $@
}

texi=$(mktemp)
cat > $texi <<EOF
\input texinfo
@documentencoding UTF-8
@settitle INSTALL
@include install.texi
@bye
EOF
perl -i -p -e "s/.verbatiminclude PUBKEY.asc/Look in PUBKEY.asc file./" install.texi
mkinfo --output INSTALL $texi
rm $texi

rm -rf .redo .git .gitignore style.css makedist.sh www.do VERSION.do
perl -i -npe "s/go} build/go} build -mod=vendor/" gocheese.do
perl -i -npe "s/go} test/go} test -mod=vendor/" test.do
cp ~/work/redo/minimal/do contrib/do

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

cd ..
tar cvf gocheese-"$release".tar --uid=0 --gid=0 --numeric-owner gocheese-"$release"
zstd -19 -v gocheese-"$release".tar
gpg --detach-sign --sign --local-user CD5CD01F55343D88 gocheese-"$release".tar.zst

tarball=gocheese-"$release".tar.zst
size=$(( $(stat -f %z $tarball) / 1024 ))
hash=$(gpg --print-md SHA256 < $tarball)
release_date=$(date "+%Y-%m-%d")

cat <<EOF
An entry for documentation:
@item $release @tab $release_date @tab $size KiB
@tab @url{gocheese-${release}.tar.zst, link} @url{gocheese-${release}.tar.zst.sig, sign}
@tab @code{$hash}
EOF

mv $tmp/$tarball $tmp/"$tarball".sig $cur/gocheese.html/