diff --git a/.lbox.check b/.lbox.check
new file mode 100755
index 0000000..b4211c2
--- /dev/null
+++ b/.lbox.check
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+set -e
+
+BADFMT=`find * -name '*.go' | xargs gofmt -l`
+if [ -n "$BADFMT" ]; then
+	BADFMT=`echo "$BADFMT" | sed "s/^/  /"`
+	echo -e "gofmt is sad:\n\n$BADFMT"
+	exit 1
+fi
+
+VERSION=`go version | awk '{print $3}'`
+if [ $VERSION == 'devel' ]; then
+	go tool vet \
+		-methods \
+		-printf \
+		-rangeloops \
+		-printfuncs 'ErrorContextf:1,notFoundf:0,badReqErrorf:0,Commitf:0,Snapshotf:0,Debugf:0' \
+		.
+fi
diff --git a/resolve.go b/resolve.go
index dc053a2..a31a533 100644
--- a/resolve.go
+++ b/resolve.go
@@ -8,7 +8,6 @@
 
 // TODO: merge, timestamps, base 60 floats, omap.
 
-
 type resolveMapItem struct {
 	value interface{}
 	tag   string
diff --git a/sorter.go b/sorter.go
index 8a46bef..e1ee85f 100644
--- a/sorter.go
+++ b/sorter.go
@@ -7,7 +7,7 @@
 
 type keyList []reflect.Value
 
-func (l keyList) Len() int { return len(l) }
+func (l keyList) Len() int      { return len(l) }
 func (l keyList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
 func (l keyList) Less(i, j int) bool {
 	a := l[i]