From a4398b8b24df57faddedf11a7ba16aa7781e6131 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Tue, 25 Oct 2022 12:37:36 -0700
Subject: [PATCH] Fix "[: ==: unary operator expected"

---
 scripts/update-revs.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/update-revs.sh b/scripts/update-revs.sh
index 9b4e1288..7c1ea7cf 100755
--- a/scripts/update-revs.sh
+++ b/scripts/update-revs.sh
@@ -34,7 +34,7 @@ for rev in `releases` stable beta nightly; do
     git commit --quiet --message "toolchain: $rev"
     git checkout --quiet -b $rev
     push+=("$rev:refs/heads/$rev")
-    if [ ${minor[${rev%.*}]} == $rev ]; then
+    if [ "${minor[${rev%.*}]}" == $rev ]; then
         push+=("$rev:refs/heads/${rev%.*}")
     fi
 done