git clone --depth 1 --branch v5.29.0 https://github.com/mattermost/mattermost-server.git
ln -fs mattermost-server/vendor .
-rm vendor/modules.txt
mkdir -p vendor/github.com/mattermost/mattermost-server
ln -fs `pwd`/mattermost-server vendor/github.com/mattermost/mattermost-server/v5
+cat > vendor/modules.txt <<EOF
+# github.com/mattermost/mattermost-server/v5 v5.39.1 => ./mattermost-server
+## explicit
+github.com/mattermost/mattermost-server/v5
+EOF
touch $3