Add version indicator

package-lock.json

@@ -1615,6 +1615,30 @@
       "resolved": "https://registry.npmjs.org/github-from-package/-/github-from-package-0.0.0.tgz",
       "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
     },
+    "gitlog": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/gitlog/-/gitlog-3.1.2.tgz",
+      "integrity": "sha512-e1g4ZuCWhyzzEzPnM5AJtGP4PLgN3NG8bE7mhPB6jkhvHlVQb0Wnue9e3+sV7J2+0V5RMsirvISFdwO0SIa0tA==",
+      "requires": {
+        "debug": "^3.1.0",
+        "lodash.assign": "^4.2.0"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.5",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.5.tgz",
+          "integrity": "sha512-D61LaDQPQkxJ5AUM2mbSJRbPkNs/TmdmOeLAi1hgDkpDfIfetSrjmWhccwtuResSwMbACjx/xXQofvM9CE/aeg==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+        }
+      }
+    },
     "glob-parent": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
@@ -2059,6 +2083,11 @@
         "xtend": "~4.0.0"
       }
     },
+    "lodash.assign": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
+      "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc="
+    },
     "lodash.debounce": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",

package.json

@@ -9,6 +9,7 @@
     "cuid": "^2.1.4",
     "express": "^4.16.3",
     "express-ws": "^4.0.0",
+    "gitlog": "^3.1.2",
     "level": "^4.0.0",
     "ws": "^6.0.0"
   },

src/index.js

@@ -4,6 +4,7 @@ const cors = require("cors")
 const level = require("level")
 const expressWS = require("express-ws")
 const cuid = require("cuid")
+const gitlog = require("gitlog")
 
 const db = level("./db.level", {
     valueEncoding: "json"
@@ -38,8 +39,20 @@ const broadcast = (wss, msg, sender) => {
     })
 
     messageLog.unshift(toSend) // push to front for nice ordering
+
+    return toSend
 }
 
+// Get short-hash of last commit as version
+const version = gitlog({
+    repo: __dirname + "/..", // this file is inside /src, and the repo stuff is outside of here
+    number: 1,
+    fields: [ "abbrevHash" ]
+})[0].abbrevHash
+
+// Featureset of this version
+const features = [ "" ];
+
 const clientCommands = {
     open(message, sendBack, ctx) {
         const channel = message.channel
@@ -71,7 +84,7 @@ const clientCommands = {
         sendBack({ log: messageLog.slice(start, end) })
     },
     message(message, sendBack, { wss, ws }) {
-        broadcast(wss, message, ws)
+        sendBack(broadcast(wss, message, ws))
     }
 }
 
@@ -117,4 +130,5 @@ app.ws("/peer", (ws, req) => {
     
 })
 
-app.listen(parseInt(process.env.PORT) || 4567)
+const port = parseInt(process.env.PORT) || 4567
+app.listen(port, () => console.log("Skynet " + version, "listening on port " + port))