chore(nodes): update bootstrap nodes and tools

Add a script to update bootstrap nodes from nodes.tox.chat.
Update maintainer instructions for release.

MAINTAINING.md

@@ -214,6 +214,7 @@ To get translations into qTox:
 - Update toxcore version number to the latest tag. Currently this needs to be
   done manually by `grep`ing for the current tag.
 - Update the bootstrap nodelist at `./res/nodes.json` from https://nodes.tox.chat/json.
+  This can be done by running [`./tools/update-nodes.sh`]
 - Generate changelog with `clog`.
   - In a `MAJOR`/`MINOR` release tag should include information that changelog
     is located in the `CHANGELOG.md` file, e.g. `For details see CHANGELOG.md`
@@ -260,6 +261,7 @@ helping for a while, ask to be added to the `qTox` organization on GitHub.
 [`test-pr.sh`]: /test-pr.sh
 [`./tools/deweblate-translation-file.sh`]: /tools/deweblate-translation-file.sh
 [`./tools/create-tarball.sh`]: /tools/create-tarball.sh
+[`./tools/update-nodes.sh`]: /tools/update-nodes.sh
 [`./tools/update-versions.sh`]: /tools/update-versions.sh
 [`./tools/format-code.sh`]: /tools/format-code.sh
 [Flathub repository]: https://github.com/flathub/io.github.qtox.qTox

tools/update-nodes.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+#   Copyright © 2020 by The qTox Project Contributors
+#
+#   This file is part of qTox, a Qt-based graphical interface for Tox.
+#   qTox is libre software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   qTox is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with qTox.  If not, see <http://www.gnu.org/licenses/>
+
+
+# script to update the list of bootstrap nodes
+#
+# it should be run before releasing a new version
+##
+# requires:
+#  * curl
+
+# usage:
+#
+#   ./$script
+
+
+set -eu -o pipefail
+
+readonly SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+readonly NODES_FILE="$SCRIPT_DIR/../res/nodes.json"
+readonly NODES_URL="https://nodes.tox.chat/json"
+
+curl "$NODES_URL" --output "$NODES_FILE"