Linuxbrew rc script - scanning paths

rc.local/linuxbrew.sh

@@ -1,16 +1,20 @@
 # Homebrew initialization
 # Can set BREW_HOME in advance
 
-BREW_LOCATIONS=( \
- "$HOME/.local/share/linuxbrew" \
- "$HOME/.linuxbrew" \
- "/home/linuxbrew/.linuxbrew" \
+xlog "Homebrew initialization"
+
+BREW_LOCATIONS=(
+ "$HOME/.local/share/linuxbrew"
+ "$HOME/.linuxbrew"
+ "/home/linuxbrew/.linuxbrew"
 )
 
-if [[ ! -d "$BREW_HOME" ]]; then
+if [[ -z "$BREW_HOME" ]]; then
   for brew_path in "${BREW_LOCATIONS[@]}"; do
+    xlog "CHECK $brew_path"
     if [[ -d "$brew_path" ]]; then
       BREW_HOME="$brew_path"
+      xlog "FOUND $BREW_HOME"
       break
     fi
   done
@@ -19,6 +23,7 @@ fi
 BREW="$BREW_HOME/bin/brew"
 
 if [[ -e "$BREW" ]]; then
+  xlog "Loading brew shell environment from $BREW_HOME"
   path_backup="$PATH"
   eval "$($BREW shellenv)"
   PATH="$path_backup"
@@ -27,3 +32,5 @@ if [[ -e "$BREW" ]]; then
   append_path "$HOMEBREW_PREFIX/sbin"
 fi
 
+unset BREW
+unset BREW_LOCATIONS