+#!/bin/sh -ex
+
+cur=$(pwd)
+tmp=$(mktemp -d)
+release=$1
+[ -n "$release" ]
+
+git clone . $tmp/gocheese-$release
+cd $tmp/gocheese-$release
+git checkout v$release
+
+mod_name=$(sed -n 's/^module //p' go.mod)
+crypto_mod_path=$(sed -n 's#^require \(golang.org/x/crypto\) \(.*\)$#\1@\2#p' go.mod)
+mkdir -p src/$mod_name
+mv *.go go.mod go.sum src/$mod_name
+
+mods="
+golang.org/x/crypto
+golang.org/x/net
+"
+for mod in $mods; do
+ mod_path=$(sed -n "s# // indirect## ; s#^ \($mod\) \(.*\)\$#\1@\2#p" src/$mod_name/go.mod)
+ [ -n "$mod_path" ]
+ mkdir -p src/$mod
+ ( cd $GOPATH/pkg/mod/$mod_path ; tar cf - --exclude ".git*" * ) | tar xfC - src/$mod
+ chmod -R +w src/$mod
+done
+
+for mod in golang.org/x/sys; do
+ mod_path=$(sed -n "s#^\($mod\) \(.*\) h1:.*\$#\1@\2#p" src/$mod_name/go.sum | sed /go.mod/d | sort -n -r | sed -n 1p)
+ [ -n "$mod_path" ]
+ mkdir -p src/$mod
+ ( cd $GOPATH/pkg/mod/$mod_path ; tar cf - --exclude ".git*" * ) | tar xfC - src/$mod
+ chmod -R +w src/$mod
+done
+
+cat > $tmp/includes <<EOF
+golang.org/x/crypto/AUTHORS
+golang.org/x/crypto/argon2
+golang.org/x/crypto/blake2b
+golang.org/x/crypto/CONTRIBUTORS
+golang.org/x/crypto/go.mod
+golang.org/x/crypto/go.sum
+golang.org/x/crypto/LICENSE
+golang.org/x/crypto/PATENTS
+golang.org/x/crypto/README.md
+golang.org/x/net/AUTHORS
+golang.org/x/net/CONTRIBUTORS
+golang.org/x/net/go.mod
+golang.org/x/net/go.sum
+golang.org/x/net/LICENSE
+golang.org/x/net/netutil
+golang.org/x/net/PATENTS
+golang.org/x/net/README.md
+golang.org/x/sys/AUTHORS
+golang.org/x/sys/CONTRIBUTORS
+golang.org/x/sys/cpu
+golang.org/x/sys/go.mod
+golang.org/x/sys/LICENSE
+golang.org/x/sys/PATENTS
+golang.org/x/sys/README.md
+EOF
+tar cfCI - src $tmp/includes | tar xfC - $tmp
+rm -fr src/golang.org $tmp/includes
+mv $tmp/golang.org src
+
+cat > download.texi <<EOF
+@node Download
+@unnumbered Download
+You can obtain releases source code prepared tarballs on
+@url{http://gocheese.cypherpunks.ru/}.
+EOF
+make gocheese.info
+
+rm -rf .git .gitignore style.css makedist* www.mk
+
+find . -type d -exec chmod 755 {} \;
+find . -type f -exec chmod 644 {} \;
+chmod +x pyshop2packages.sh
+
+cd ..
+tar cvf gocheese-"$release".tar --uid=0 --gid=0 --numeric-owner gocheese-"$release"
+xz -9 gocheese-"$release".tar
+gpg --detach-sign --sign --local-user CD5CD01F55343D88 gocheese-"$release".tar.xz
+
+tarball=gocheese-"$release".tar.xz
+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 @ref{Release $release, $release} @tab $release_date @tab $size KiB
+@tab @url{gocheese-${release}.tar.xz, link} @url{gocheese-${release}.tar.xz.sig, sign}
+@tab @code{$hash}
+EOF
+
+mv $tmp/$tarball $tmp/"$tarball".sig $cur/gocheese.html/