From cbddf71ebee042d9ad8734fbba70f6f85d1ba4c2 Mon Sep 17 00:00:00 2001
From: gnuxie <Gnuxie@protonmail.com>
Date: Fri, 10 Feb 2023 15:52:28 +0000
Subject: [PATCH] Include version information in `!draupnir status`.

---
 .github/workflows/docker-hub-develop.yml |  2 ++
 .github/workflows/docker-hub-release.yml |  2 ++
 .gitignore                               |  2 ++
 Dockerfile                               |  1 +
 package.json                             | 10 +++++-----
 src/commands/StatusCommand.ts            |  7 +++++++
 src/config.ts                            | 19 +++++++++++++++++++
 7 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/docker-hub-develop.yml b/.github/workflows/docker-hub-develop.yml
index a1faa85..12fe84b 100644
--- a/.github/workflows/docker-hub-develop.yml
+++ b/.github/workflows/docker-hub-develop.yml
@@ -19,6 +19,8 @@ jobs:
     steps:
       - name: Check out
         uses: actions/checkout@v2
+      - name: Prepare version file
+        run: git describe > src/version.txt
       - name: Log in to Docker Hub
         uses: docker/login-action@v1
         with:
diff --git a/.github/workflows/docker-hub-release.yml b/.github/workflows/docker-hub-release.yml
index e9d3831..99c97f3 100644
--- a/.github/workflows/docker-hub-release.yml
+++ b/.github/workflows/docker-hub-release.yml
@@ -18,6 +18,8 @@ jobs:
         uses: actions/checkout@v2
       - name: Get release tag
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      - name: Prepare version file
+        run: git describe > src/version.txt
       - name: Log in to Docker Hub
         uses: docker/login-action@v1
         with:
diff --git a/.gitignore b/.gitignore
index 68e477c..90e3e66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,8 @@ venv/
 
 /db
 
+# version file generated from yarn build
+src/version.txt
 # Logs
 logs
 *.log
diff --git a/Dockerfile b/Dockerfile
index d0891b0..ead54f2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ RUN cd /tmp/src \
     && mv lib/ /mjolnir/ \
     && mv node_modules / \
     && mv mjolnir-entrypoint.sh / \
+    && mv package.json / \
     && cd / \
     && rm -rf /tmp/*
 
diff --git a/package.json b/package.json
index be7d601..a73a7a2 100644
--- a/package.json
+++ b/package.json
@@ -1,14 +1,14 @@
 {
-  "name": "mjolnir",
+  "name": "draupnir",
   "version": "1.80.0-beta.0",
   "description": "A moderation tool for Matrix",
   "main": "lib/index.js",
-  "repository": "git@github.com:matrix-org/mjolnir.git",
-  "author": "The Matrix.org Foundation C.I.C.",
-  "license": "Apache-2.0",
+  "repository": "git@github.com:Gnuxie/Draupnir.git",
+  "author": "Gnuxie",
+  "license": "SEE LICENSE IN LICENSE",
   "private": true,
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && (git describe > src/version.txt || true)",
     "postbuild": "rm -rf lib/test/ && cp -r lib/src/* lib/ && rm -rf lib/src/",
     "lint": "tslint --project ./tsconfig.json -t stylish",
     "start:dev": "yarn build && node --async-stack-traces lib/index.js",
diff --git a/src/commands/StatusCommand.ts b/src/commands/StatusCommand.ts
index 8f141b2..acc1f84 100644
--- a/src/commands/StatusCommand.ts
+++ b/src/commands/StatusCommand.ts
@@ -30,6 +30,7 @@ import { RichReply } from "matrix-bot-sdk";
 import { htmlEscape, parseDuration } from "../utils";
 import { HumanizeDurationLanguage, HumanizeDuration } from "humanize-duration-ts";
 import PolicyList from "../models/PolicyList";
+import { PACKAGE_JSON, SOFTWARE_VERSION } from "../config";
 
 const HUMANIZE_LAG_SERVICE: HumanizeDurationLanguage = new HumanizeDurationLanguage();
 const HUMANIZER: HumanizeDuration = new HumanizeDuration(HUMANIZE_LAG_SERVICE);
@@ -102,6 +103,12 @@ async function showMjolnirStatus(roomId: string, event: any, mjolnir: Mjolnir) {
     const subscribedAndProtectedLists = mjolnir.policyListManager.lists.filter(list => mjolnir.explicitlyProtectedRooms.includes(list.roomId));
     renderPolicyLists("Subscribed and protected policy lists", subscribedAndProtectedLists);
 
+    html += `<b>Version:</b> ${SOFTWARE_VERSION}<br/>`;
+    text += `Version: ${SOFTWARE_VERSION}\n`;
+
+    html += `<b>Repository:</b> <code>${PACKAGE_JSON['repository'] ?? 'Unknown'}</code>`;
+    text += `Repository: ${PACKAGE_JSON['repository'] ?? 'Unknown'}`;
+
     const reply = RichReply.createFor(roomId, event, text, html);
     reply["msgtype"] = "m.notice";
     return mjolnir.client.sendMessage(roomId, reply);
diff --git a/src/config.ts b/src/config.ts
index 9efc49f..8de6ed1 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -29,6 +29,7 @@ import * as fs from "fs";
 import { load } from "js-yaml";
 import { MatrixClient, LogService } from "matrix-bot-sdk";
 import Config from "config";
+import path from "path";
 
 /**
  * The configuration, as read from production.yaml
@@ -283,3 +284,21 @@ export function getProvisionedMjolnirConfig(managementRoomId: string): IConfig {
     config.protectedRooms = [];
     return config;
 }
+
+export const SOFTWARE_VERSION = (() => {
+    try {
+        return fs.readFileSync(path.join(__dirname, 'version.txt'), 'utf-8')
+    } catch (e) {
+        LogService.error("config", "Could not read Draupnir version", e);
+        return "A version was either not provided when building Draupnir or could not be read."
+    }
+})();
+
+export const PACKAGE_JSON = (() => {
+    try {
+        return JSON.parse(fs.readFileSync(path.join(__dirname, '../package.json'), 'utf-8'));
+    } catch (e) {
+        LogService.error("config", "Could not read Draupnir package.json", e);
+        return {};
+    }
+})();