From f6f323c36aaa4405fa14415c0ee48ef29a30d3a5 Mon Sep 17 00:00:00 2001
From: Trevor Gross <tmgross@umich.edu>
Date: Sat, 5 Oct 2024 22:50:53 -0500
Subject: [PATCH] Disable `CC_ENABLE_DEBUG_OUTPUT` if it is set to "0"

It isn't always possible to completely unset an environment variable,
but it is pretty common that a value of "0" should be treated as
disabled. Use that here for `CC_ENABLE_DEBUG_OUTPUT`.
---
 src/command_helpers.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/command_helpers.rs b/src/command_helpers.rs
index 07dfb804..0def5fea 100644
--- a/src/command_helpers.rs
+++ b/src/command_helpers.rs
@@ -44,7 +44,10 @@ impl CargoOutput {
             metadata: true,
             warnings: true,
             output: OutputKind::Forward,
-            debug: std::env::var_os("CC_ENABLE_DEBUG_OUTPUT").is_some(),
+            debug: match std::env::var_os("CC_ENABLE_DEBUG_OUTPUT") {
+                Some(v) => v != "0",
+                None => false,
+            },
             checked_dbg_var: Arc::new(AtomicBool::new(false)),
         }
     }