From 41cdb8ba267c286ec93d5fa8d0c7f2201492592c Mon Sep 17 00:00:00 2001
From: Daniel Kaiser <git@kais3r.de>
Date: Tue, 17 May 2022 22:11:07 +0200
Subject: [PATCH] feat(info): add --version cmd flag (#970)

---
 waku/v2/node/config.nim    | 5 +++++
 waku/v2/node/wakunode2.nim | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/waku/v2/node/config.nim b/waku/v2/node/config.nim
index ca40fe614..10f629d33 100644
--- a/waku/v2/node/config.nim
+++ b/waku/v2/node/config.nim
@@ -27,6 +27,11 @@ type
       desc: "Sets the log level."
       defaultValue: LogLevel.INFO
       name: "log-level" }: LogLevel
+
+    version* {.
+      desc: "prints the version"
+      defaultValue: false
+      name: "version" }: bool
     
     nodekey* {.
       desc: "P2P node private key as 64 char hex string.",
diff --git a/waku/v2/node/wakunode2.nim b/waku/v2/node/wakunode2.nim
index 95ab79728..2c709a037 100644
--- a/waku/v2/node/wakunode2.nim
+++ b/waku/v2/node/wakunode2.nim
@@ -1306,6 +1306,12 @@ when isMainModule:
     quit 1 # if we don't leave here, the initialization of conf does not work in the success case
   {.pop.}
 
+  # if called with --version, print the version and quit
+  if conf.version:
+    const git_version {.strdefine.} = "n/a"
+    echo "version / git commit hash: ", git_version
+    quit(QuitSuccess)
+  
   var
     node: WakuNode  # This is the node we're going to setup using the conf