From 92887a33dc3674f942bd0355edfbba53b810f18f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20K=C3=B6ster?= <johannes.koester@tu-dortmund.de>
Date: Wed, 30 Mar 2022 11:44:37 +0200
Subject: [PATCH] fix: proper error message in case of missing git when
 checking for source files (#1534)

---
 snakemake/workflow.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/snakemake/workflow.py b/snakemake/workflow.py
index 41f7a5ddc..4b2adbdfe 100644
--- a/snakemake/workflow.py
+++ b/snakemake/workflow.py
@@ -392,7 +392,8 @@ def norm_rule_relpath(f, rule):
                 )
             else:
                 raise WorkflowError(
-                    "Error executing git:\n{}".format(e.stderr.decode())
+                    "Error executing git (Snakemake requires git to be installed for "
+                    "remote execution without shared filesystem):\n" + e.stderr.decode()
                 )
 
         return files