From 6acb79afa26e91682e576c8d0a1e185147cb4bc4 Mon Sep 17 00:00:00 2001
From: "Emil J. Tywoniak" <emil@tywoniak.eu>
Date: Tue, 9 Dec 2025 11:58:57 +0100
Subject: [PATCH] driver: add --git-hash

---
 kernel/driver.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/driver.cc b/kernel/driver.cc
index 06fa6b11b..fa78bad59 100644
--- a/kernel/driver.cc
+++ b/kernel/driver.cc
@@ -255,6 +255,7 @@ int main(int argc, char **argv)
 		("h,help", "print this help message. If given, print help for <command>.",
 			cxxopts::value<std::string>(), "[<command>]")
 		("V,version", "print version information and exit")
+		("git-hash", "print git commit hash and exit")
 		("infile", "input files", cxxopts::value<std::vector<std::string>>())
 	;
 	options.add_options("logging")
@@ -332,6 +333,10 @@ int main(int argc, char **argv)
 			std::cout << yosys_version_str << std::endl;
 			exit(0);
 		}
+		if (result.count("git-hash")) {
+			std::cout << yosys_git_hash_str << std::endl;
+			exit(0);
+		}
 		if (result.count("S")) {
 			passes_commands.push_back("synth");
 			run_shell = false;