lint: Use '_' to name unused args

This fixes warnings with newer golangci-lint versions.

Signed-off-by: Christophe Fergeau <[email protected]>

cmd/admin-helper/add.go

@@ -11,7 +11,7 @@ var Add = &cobra.Command{
 	Use:     "add",
 	Aliases: []string{"a"},
 	Short:   "Add an entry to the hostsfile",
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		return add(args)
 	},
 }

cmd/admin-helper/clean.go

@@ -10,7 +10,7 @@ import (
 var Clean = &cobra.Command{
 	Use:   "clean",
 	Short: "Clean all entries added with a particular suffix",
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		return clean(args)
 	},
 }

cmd/admin-helper/contains.go

@@ -11,7 +11,7 @@ var Contains = &cobra.Command{
 	Use:   "contains",
 	Short: "Check if an ip and host are present in hosts file",
 	Args:  cobra.ExactArgs(2),
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		return contains(args)
 	},
 }

cmd/admin-helper/daemon.go

@@ -44,7 +44,7 @@ var UninstallDaemon = &cobra.Command{
 var Daemon = &cobra.Command{
 	Use:   "daemon",
 	Short: "Run as a daemon",
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, _ []string) error {
 		return daemon()
 	},
 }

cmd/admin-helper/remove.go

@@ -9,7 +9,7 @@ var Remove = &cobra.Command{
 	Use:     "remove",
 	Aliases: []string{"rm", "r"},
 	Short:   "Remove host(s) if exists",
-	RunE: func(cmd *cobra.Command, args []string) error {
+	RunE: func(_ *cobra.Command, args []string) error {
 		return remove(args)
 	},
 }

pkg/api/mux.go

@@ -12,7 +12,7 @@ import (
 
 func Mux(hosts *hosts.Hosts) http.Handler {
 	mux := http.NewServeMux()
-	mux.HandleFunc("/version", func(w http.ResponseWriter, r *http.Request) {
+	mux.HandleFunc("/version", func(w http.ResponseWriter, _ *http.Request) {
 		_, _ = fmt.Fprint(w, constants.Version)
 	})
 	mux.HandleFunc("/add", func(w http.ResponseWriter, r *http.Request) {

pkg/hosts/hosts_test.go

@@ -240,7 +240,7 @@ func hosts(t *testing.T, hostsFile string) Hosts {
 	assert.NoError(t, err)
 	return Hosts{
 		File: file,
-		HostFilter: func(s string) bool {
+		HostFilter: func(_ string) bool {
 			return true
 		},
 	}