From e22f89853fc85a200fd7cb4c467089f553427f27 Mon Sep 17 00:00:00 2001
From: Michael Vines <mvines@gmail.com>
Date: Mon, 18 Nov 2019 23:42:51 -0700
Subject: [PATCH] Consider `CI_TAG=` to be the same as `unset CI_TAG`

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

diff --git a/clap-utils/src/lib.rs b/clap-utils/src/lib.rs
index 22702d646f..71addb6dbb 100644
--- a/clap-utils/src/lib.rs
+++ b/clap-utils/src/lib.rs
@@ -4,7 +4,7 @@ macro_rules! version {
         &*format!(
             "{}{}",
             env!("CARGO_PKG_VERSION"),
-            if option_env!("CI_TAG").is_none() {
+            if option_env!("CI_TAG").unwrap_or("").is_empty() {
                 format!(
                     " [channel={} commit={}]",
                     option_env!("CHANNEL").unwrap_or("unknown"),