From 89eb562616a1c17dec22a29868a010e9021b67ea Mon Sep 17 00:00:00 2001
From: Charles Oliver Nutter <headius@headius.com>
Date: Tue, 30 Jul 2024 15:25:53 -0500
Subject: [PATCH] Clear LC_ALL for tr call

This resolves additional issues when tr is called in a shell that
has set LC_ALL to a specific encoding. In that case, the tr may
fail to ignore binary files, expecting that they are in some
encoding.

See https://github.com/rbenv/ruby-build/issues/2279
---
 bin/ruby-build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/ruby-build b/bin/ruby-build
index abb22f12..df1b2312 100755
--- a/bin/ruby-build
+++ b/bin/ruby-build
@@ -876,7 +876,7 @@ install_jruby_launcher() {
 
 fix_jruby_shebangs() {
   for file in "${PREFIX_PATH}/bin"/*; do
-    if [ "$(head -c 20 "$file" | LC_CTYPE=C tr -d '\0')" = "#!/usr/bin/env jruby" ]; then
+    if [ "$(head -c 20 "$file" | LC_CTYPE=C LC_ALL='' tr -d '\0')" = "#!/usr/bin/env jruby" ]; then
       sed -i.bak "1 s:.*:#\!${PREFIX_PATH}\/bin\/jruby:" "$file"
       rm "$file".bak
     fi