Empty check.

scripts/functions/installer

@@ -482,61 +482,48 @@ install_patchsets()
 cleanse_old_environments()
 {
   if [[ -d "$rvm_path/environments" ]] ; then
-    #
     # Remove BUNDLE_PATH from environment files
-    #
-    environments=($( find "$rvm_path/environments" -maxdepth 1 -mindepth 1 -type f ))
-    for file in "${environments[@]}" ; do
-      if grep 'BUNDLE_PATH' "$file" > /dev/null ; then
-        grep -v 'BUNDLE_PATH' "$file" > "$file.new"
-        mv "$file.new" "$file"
-      fi
-    done
+    environments=(
+      $(find "$rvm_path/environments/" -maxdepth 1 -mindepth 1 -type f)
+    )
+    if [[ ${#environments[@]} -gt 0 ]] ; then
+      for file in "${environments[@]}" ; do
+        if grep 'BUNDLE_PATH' "$file" > /dev/null 2>&1; then
+          grep -v 'BUNDLE_PATH' "$file" > "$file.new"
+          mv "$file.new" "$file"
+        fi
+      done
+    fi
   fi
 }
 
 migrate_old_gemsets()
 {
   for gemset in "$rvm_path"/gems/*\%* ; do
-
     new_path=${gemset/\%/${rvm_gemset_separator:-"@"}}
 
     if [[ -d "$gemset" ]] && [[ ! -d "$new_path" ]] ; then
-
       printf "\n    Renaming $(basename "$gemset") to $(basename "$new_path") for new gemset separator."
-
       mv "$gemset" "$new_path"
-
     fi
-
   done
 
   for gemset in "$rvm_path"/gems/*\+* ; do
-
     new_path=${gemset/\+/${rvm_gemset_separator:-"@"}}
 
     if [[ -d "$gemset" && ! -d "$new_path" ]] ; then
-
       printf "\n    Renaming $(basename "$gemset") to $(basename "$new_path") for new gemset separator."
-
       mv $gemset $new_path
-
     fi
-
   done
 
   for gemset in "$rvm_path"/gems/*\@ ; do
-
     new_path=$(echo $gemset | sed -e 's#\@$##')
 
     if [[ -d "$gemset" && ! -d "$new_path" ]] ; then
-
       printf "\n    Fixing: $(basename "$gemset") to $(basename "$new_path") for new gemset separator."
-
       mv "$gemset" "$new_path"
-
     fi
-
   done
 }