make golint happy

cmd/dnsp/main.go

@@ -11,17 +11,14 @@ import (
 	"github.com/gophergala/dnsp"
 )
 
-var (
-	Version = "0.0.0"
-
-	DefaultResolve = "8.8.4.4,8.8.8.8"
-)
+// DefaultResolve is the default list of nameservers for the `--resolve` flag.
+var DefaultResolve = "8.8.4.4,8.8.8.8"
 
 func main() {
 	app := cli.NewApp()
 	app.Name = "dnsp"
 	app.Usage = "DNS proxy with whitelist/blacklist support"
-	app.Version = Version
+	app.Version = "0.0.0"
 	app.Author, app.Email = "", ""
 	app.Flags = []cli.Flag{
 		cli.StringFlag{

hosts_file.go

@@ -9,17 +9,20 @@ import (
 	"strings"
 )
 
+// HostsReader reads host entries from a file.
 type HostsReader struct {
 	Reader io.Reader
 }
 
+// NewHostsReader creates a HostReader from any io.Reader.
 func NewHostsReader(r io.Reader) *HostsReader {
 	return &HostsReader{Reader: r}
 }
 
 // HostsReaderFunc is a function that takes a hostname as its first argument.
 type HostsReaderFunc func(string)
 
+// ReadFunc reads the data line-by-line, feading each host entry to fn.
 func (h *HostsReader) ReadFunc(fn HostsReaderFunc) {
 	scanner := bufio.NewScanner(h.Reader)
 	for scanner.Scan() {

options.go

@@ -19,6 +19,7 @@ type Options struct {
 	Blacklist string
 }
 
+// Validate verifies that the options are correct.
 func (o *Options) Validate() error {
 	if o.Net == "" {
 		o.Net = "udp"

wercker.yml

@@ -32,4 +32,4 @@ build:
     - script:
         name: golint
         code: |
-          golint -min_confidence=1 .
+          golint .

whitelist.go

@@ -8,6 +8,7 @@ import (
 	"github.com/miekg/dns"
 )
 
+// Host flags used in the whitelist/blacklist map.
 const (
 	Unknown host = iota
 	White        // whitelisted