From 950ecd6bbcc7e75e80b0d2a9dc11efec551d173b Mon Sep 17 00:00:00 2001
From: "hinto.janai" <hinto.janai@protonmail.com>
Date: Mon, 17 Apr 2023 09:37:05 -0400
Subject: [PATCH] add `--version`

---
 docs/COMMAND_LINE.MD |  1 +
 src/main.cpp         | 11 +++++++++++
 src/util.h           |  1 +
 3 files changed, 13 insertions(+)

diff --git a/docs/COMMAND_LINE.MD b/docs/COMMAND_LINE.MD
index 293a37f..307f31f 100644
--- a/docs/COMMAND_LINE.MD
+++ b/docs/COMMAND_LINE.MD
@@ -29,6 +29,7 @@
 --no-upnp            Disable UPnP port forwarding
 --no-igd             An alias for --no-upnp
 --upnp-stratum       Port forward Stratum port (it's not forwarded by default)
+--version            Print p2pool's version and build details
 ```
 
 ### Example command line
diff --git a/src/main.cpp b/src/main.cpp
index 78f9709..f5737a8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -58,6 +58,7 @@ void p2pool_usage()
 		"--no-igd             An alias for --no-upnp\n"
 		"--upnp-stratum       Port forward Stratum port (it's not forwarded by default)\n"
 #endif
+		"--version            Print p2pool's version and build details\n"
 		"--help               Show this help message\n\n"
 		"Example command line:\n\n"
 		"%s --host 127.0.0.1 --rpc-port 18081 --zmq-port 18083 --wallet YOUR_WALLET_ADDRESS --stratum 0.0.0.0:%d --p2p 0.0.0.0:%d\n\n",
@@ -75,6 +76,11 @@ void p2pool_usage()
 	);
 }
 
+void p2pool_version()
+{
+	printf("P2Pool %s\n", p2pool::VERSION);
+}
+
 void memory_tracking_start();
 void memory_tracking_stop();
 
@@ -90,6 +96,11 @@ int main(int argc, char* argv[])
 			p2pool_usage();
 			return 0;
 		}
+
+		if (strcmp(argv[i], "--version") || strcmp(argv[i], "/version") || strcmp(argv[i], "-v") || strcmp(argv[i], "/v")) {
+			p2pool_version();
+			return 0;
+		}
 	}
 
 	memory_tracking_start();
diff --git a/src/util.h b/src/util.h
index a8ad300..3072069 100644
--- a/src/util.h
+++ b/src/util.h
@@ -280,6 +280,7 @@ struct PerfTimer
 void memory_tracking_start();
 void memory_tracking_stop();
 void p2pool_usage();
+void p2pool_version();
 
 namespace robin_hood {