#!/bin/sh -ex

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

git clone . $tmp/vors-$release
cd $tmp/vors-$release
git checkout v$release
perl -ne 'print "$1\n" if /Version.*"(.*)"$/' <internal/version.go >VERSION

########################################################################

cd doc
cat >download.texi <<EOF
You can obtain releases source code prepared tarballs on
@url{http://www.vors.stargrave.org}.
EOF

mkinfo() {
    ${MAKEINFO:-makeinfo} --plaintext \
        --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
./mk-info
mv vors.info INSTALL ..
cd ..
#
########################################################################

go mod vendor
rm -rf vendor/golang.org/x/sys/windows
find . \( -name .gitignore -o -name .travis.yml \) -delete

########################################################################

zstd -d <~/src/xiph/opus/opus-1.5.2.tar.zst >opus-1.5.2.tar
rm -rf .git makedist
find . -type d -exec chmod 755 {} +
find . -type f -exec chmod 644 {} +
chmod +x build mk-non-static

cd ..
tar cvf vors-"$release".tar --uid=0 --gid=0 --numeric-owner vors-"$release"
zstd --ultra -22 -v vors-"$release".tar
tarball=vors-"$release".tar.zst
ssh-keygen -Y sign -f ~/.ssh/sign/vors@stargrave.org -n file $tarball
meta4ra-create -fn "$tarball" -mtime "$tarball" \
    -sig-ssh "$tarball".sig \
    http://www.vors.stargrave.org/download/"$tarball" \
    http://y.www.vors.stargrave.org/download/"$tarball" <"$tarball" >"$tarball".meta4

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

release_underscored=`echo $release | tr . _`
cat <<EOF
An entry for documentation:
@item $release @tab $release_date @tab $size KiB @tab
    @url{download/$tarball.meta4, meta4}
    @url{download/$tarball, tar}
    @url{download/$tarball.sig, ssh}
EOF

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