diff --git a/appinfo.json b/appinfo.json.tmpl
similarity index 100%
rename from appinfo.json
rename to appinfo.json.tmpl
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..d01197d
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,12 @@
+#! /bin/sh -e
+
+build () {
+	echo $1
+	[ $1 = Black ] && uuid=1 || uuid=0
+	sed "s/%COLOR/$1/;s/%UUID/$uuid/" appinfo.json.tmpl > appinfo.json
+	pebble build
+	cp build/HelveticaFace.pbw HelveticaFace-$1.pbw
+}
+
+build Black
+build White