From abc27593554d2fcaaf2eadae36a1f3a588698ca4 Mon Sep 17 00:00:00 2001
From: Edouard Oger <eoger@fastmail.com>
Date: Tue, 24 Mar 2020 10:32:44 -0400
Subject: [PATCH] Ignore SCCACHE_ERROR_LOG when empty

---
 src/commands.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/commands.rs b/src/commands.rs
index df573f751..c46b67e96 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -135,7 +135,7 @@ fn redirect_stderr(f: File) -> Result<()> {
 /// If `SCCACHE_ERROR_LOG` is set, redirect stderr to it.
 fn redirect_error_log() -> Result<()> {
     let name = match env::var("SCCACHE_ERROR_LOG") {
-        Ok(filename) => filename,
+        Ok(filename) if !filename.is_empty() => filename,
         _ => return Ok(()),
     };
     let f = OpenOptions::new().create(true).append(true).open(name)?;