Fix and remove various TODOs.

Fix those that can be done so without tearing Homebrew to pieces and
remove the comments for those that can never be done.

1 files changed, 1 insertions, 2 deletions

diff --git a/bin/brew b/bin/brew
index 84be2fb1d..1c7b4c897 100755
--- a/bin/brew
+++ b/bin/brew
@@ -47,8 +47,7 @@ HOMEBREW_LIBRARY="$HOMEBREW_REPOSITORY/Library"
 for VAR in EDITOR PATH
 do
   VAR_NEW="HOMEBREW_${VAR}"
-  # TODO: find a better solution than this.
-  env | grep -q "$VAR_NEW" && continue
+  [[ -n "${!VAR_NEW}" ]] && continue
   export "$VAR_NEW"="${!VAR}"
 done