Fix {pretty,lint} when staging more than one file

scripts/common

@@ -7,9 +7,9 @@ cachedJS() {
 ugly() {
     local acc=()
     for jsfile in "$@"; do
-        diff "$jsfile" <($(npm bin)/prettier "$jsfile") >/dev/null || acc+=("$jsfile")
+        diff "$jsfile" <($(npm bin)/prettier $jsfile) >/dev/null || acc+=("$jsfile")
     done
-    echo $acc
+    echo ${acc[@]}
 }
 
 noisy() {
@@ -19,5 +19,5 @@ noisy() {
             acc+=("jsfile")
         fi
     done
-    echo $acc
+    echo ${acc[@]}
 }

scripts/pretty

@@ -2,8 +2,11 @@
 
 source ./scripts/common
 
+set -e
+
 uglyFiles=$(ugly $(cachedJS))
 
 if [ -n "$uglyFiles" ]; then
-  prettier --write "$uglyFiles"
+  prettier --write $uglyFiles
+  git add $uglyFiles
 fi