From fbf17f1ad7259f08ab53dc8319ae0f452321f081 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 2 Mar 2017 11:40:11 +0100
Subject: [PATCH] builtins.fetchgit: Fix bad format string

---
 src/libexpr/primops/fetchgit.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libexpr/primops/fetchgit.cc b/src/libexpr/primops/fetchgit.cc
index bd440c8c6..6a5b5ac36 100644
--- a/src/libexpr/primops/fetchgit.cc
+++ b/src/libexpr/primops/fetchgit.cc
@@ -63,7 +63,7 @@ static void prim_fetchgit(EvalState & state, const Pos & pos, Value * * args, Va
             else if (name == "rev")
                 rev = state.forceStringNoCtx(*attr.value, *attr.pos);
             else
-                throw EvalError(format("unsupported argument ‘%1%’ to ‘fetchgit’, at %3%") % attr.name % attr.pos);
+                throw EvalError("unsupported argument ‘%s’ to ‘fetchgit’, at %s", attr.name, *attr.pos);
         }
 
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