+git checkout v$release
+
+crypto_mod_path=$(sed -n 's#^require \(golang.org/x/crypto\) \(.*\)$#\1@\2#p' go.mod)
+mkdir -p src/$mod_name
+mv \
+ gost28147 \
+ gost3410 \
+ gost34112012256 \
+ gost34112012512 \
+ gost341194 \
+ gost3412128 \
+ gost341264 \
+ gost3413 \
+ mgm \
+ prfplus \
+ cmd internal gogost.go go.mod go.sum src/$mod_name
+
+rm module-name.do clean.do
+echo $mod_name > module-name
+find . -name "*.do" -exec perl -i -npe "s/^go/GOPATH=\`pwd\` go/" {} \;
+
+mkdir -p src/golang.org/x/crypto
+( cd $GOPATH/pkg/mod/$crypto_mod_path ; \
+ tar cf - AUTHORS CONTRIBUTORS LICENSE PATENTS README.md pbkdf2 hkdf ) |
+ tar xfC - src/golang.org/x/crypto
+
+cat > download.texi <<EOF
+You can obtain releases source code prepared tarballs on
+@url{http://www.gogost.cypherpunks.ru/}.
+EOF
+
+texi=$(mktemp)
+cat > $texi <<EOF
+\input texinfo
+@documentencoding UTF-8
+@settitle INSTALL
+@include install.texi
+@bye
+EOF
+makeinfo --plaintext -o INSTALL $texi
+rm $texi
+
+cat > $texi <<EOF
+\input texinfo
+@documentencoding UTF-8
+@settitle NEWS
+@include news.texi
+@bye
+EOF
+makeinfo --plaintext -o NEWS $texi
+
+cat > $texi <<EOF
+\input texinfo
+@documentencoding UTF-8
+@settitle FAQ
+@include faq.texi
+@bye
+EOF
+makeinfo --plaintext -o FAQ $texi