vendor dependencies with dep

vendor/github.com/go-pg/pg/time.go

@@ -0,0 +1,58 @@
+package pg
+
+import (
+	"bytes"
+	"database/sql"
+	"encoding/json"
+	"time"
+
+	"github.com/go-pg/pg/types"
+)
+
+var jsonNull = []byte("null")
+
+// NullTime is a time.Time wrapper that marshals zero time as JSON null and
+// PostgreSQL NULL.
+type NullTime struct {
+	time.Time
+}
+
+var _ json.Marshaler = (*NullTime)(nil)
+var _ json.Unmarshaler = (*NullTime)(nil)
+var _ sql.Scanner = (*NullTime)(nil)
+var _ types.ValueAppender = (*NullTime)(nil)
+
+func (tm NullTime) MarshalJSON() ([]byte, error) {
+	if tm.IsZero() {
+		return jsonNull, nil
+	}
+	return tm.Time.MarshalJSON()
+}
+
+func (tm *NullTime) UnmarshalJSON(b []byte) error {
+	if bytes.Equal(b, jsonNull) {
+		tm.Time = time.Time{}
+		return nil
+	}
+	return tm.Time.UnmarshalJSON(b)
+}
+
+func (tm NullTime) AppendValue(b []byte, quote int) ([]byte, error) {
+	if tm.IsZero() {
+		return types.AppendNull(b, quote), nil
+	}
+	return types.AppendTime(b, tm.Time, quote), nil
+}
+
+func (tm *NullTime) Scan(b interface{}) error {
+	if b == nil {
+		tm.Time = time.Time{}
+		return nil
+	}
+	newtm, err := types.ParseTime(b.([]byte))
+	if err != nil {
+		return err
+	}
+	tm.Time = newtm
+	return nil
+}