Merge pull request #949 from tfendin/git-ignore-ensure-newline

bin/git-ignore

@@ -57,6 +57,10 @@ function add_private {
 function add_patterns {
   echo "Adding pattern(s) to: $1"
   local file="${1/#~/$HOME}"
+  if [ -s "$file" ]; then
+      # If the content of $file doesn't end with a newline, add one
+      test "$(tail -c 1 "$file")" != "" && echo "" >> "$file"
+  fi
   for pattern in "${@:2}"; do
     echo "... adding '$pattern'"
     (test -f "$file" && test "$pattern" && grep -q -F -x -- "$pattern" "$file") || echo "$pattern" >> "$file"