tcl-tk: fix ENV["CI"] usage.

Part of #70493.
Homebrew · Feb 8, 2021 · a97aa42 · a97aa42
1 parent b8a3bd2
commit a97aa42
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Formula/tcl-tk.rb b/Formula/tcl-tk.rb
@@ -138,7 +138,7 @@ def install
 
     on_linux do
       # Fails with: no display name and no $DISPLAY environment variable
-      return if ENV["CI"]
+      return if ENV["HOMEBREW_GITHUB_ACTIONS"]
     end
 
     test_itk = <<~EOS