Require `Regexp.escape` before interpolating `build_dir`; fix #4817

c268e36e · Yukihiro "Matz" Matsumoto · 067c11f6 · c268e36e
Commit c268e36e authored Nov 11, 2019 by Yukihiro "Matz" Matsumoto
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Rakefile Rakefile +1 -1

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--- a/Rakefile
+++ b/Rakefile
@@ -62,7 +62,7 @@ MRuby.each_target do |target|
    relative_from_root = gem.dir.relative_path_from(MRUBY_ROOT)
    current_build_dir = File.expand_path "#{build_dir}/#{relative_from_root}"

-    if current_build_dir !~ /^#{build_dir}/
+    if current_build_dir !~ /^#{Regexp.escape(build_dir)}/
      current_build_dir = "#{build_dir}/mrbgems/#{gem.name}"
    end