From 187dda2803d66559a09cf0ce53d237f41bc623c1 Mon Sep 17 00:00:00 2001
From: Lukas Winkler <git@lw1.at>
Date: Thu, 11 Feb 2021 14:41:23 +0100
Subject: [PATCH] add git_hash

---
 utils.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/utils.py b/utils.py
index 73b5d71..829385b 100644
--- a/utils.py
+++ b/utils.py
@@ -1,5 +1,6 @@
 import os
 import socket
+import subprocess
 from ctypes import c_uint32
 from pathlib import Path
 from random import randint
@@ -147,6 +148,11 @@ def reorder_particles(sim: Simulation, ed: ExtraData) -> None:
     assert sim.N == original_N
 
 
+def git_hash() -> str:
+    output = subprocess.run(["git", "rev-parse", "--verify", "HEAD"], capture_output=True)
+    return output.stdout.decode()
+
+
 def process_friendlyness(fn: Path) -> None:
     if socket.gethostname() == "standpc":
         # only handle other computers specially