From 6e4dd1575b3f0a147ada0f37477e36f51ab04277 Mon Sep 17 00:00:00 2001
From: Otto Sabart <seberm@seberm.com>
Date: Sun, 7 Nov 2021 21:06:52 +0100
Subject: [PATCH] Add version command line argument

---
 internal/config_specification.toml | 4 ++++
 src/config.rs                      | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/internal/config_specification.toml b/internal/config_specification.toml
index 27cba14..91987de 100644
--- a/internal/config_specification.toml
+++ b/internal/config_specification.toml
@@ -108,6 +108,10 @@ doc = "Exit after the initial sync is over (don't start Electrum server)."
 name = "cache_merkle_proofs"
 doc = "Cache merkle proofs on subscription (if disabled, they are computed on demand)."
 
+[[switch]]
+name = "version"
+doc = "Print out the program version."
+
 [[param]]
 name = "index_lookup_limit"
 type = "usize"
diff --git a/src/config.rs b/src/config.rs
index 3b2d316..78db4af 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -308,6 +308,11 @@ impl Config {
             std::process::exit(1);
         }
 
+        if config.version {
+            println!("v{}", ELECTRS_VERSION);
+            std::process::exit(0);
+        }
+
         let config = Config {
             network: config.network,
             db_path: config.db_dir,