Switch to mirrorred images for Drone and make linters happy.

.drone.yml

@@ -5,23 +5,15 @@ name: test-and-lint
 
 steps:
   - name: lint
-    image: golangci/golangci-lint:latest
+    image: code.pztrn.name/containers/mirror/golangci/golangci-lint:v1.46.2
     environment:
       CGO_ENABLED: "0"
     commands:
       - golangci-lint run
 
-  - name: test-1.14
+  - name: test-1.18
-    image: golang:1.14.4-alpine
+    image: code.pztrn.name/containers/mirror/golang:1.18.3-alpine
     environment:
       CGO_ENABLED: "0"
     commands:
       - go test -cover -test.v .
-
-  - name: test-1.13
-    image: golang:1.13.12-alpine
-    environment:
-      CGO_ENABLED: "0"
-    commands:
-      - go test -cover -test.v .
-

.golangci.yml

@@ -10,6 +10,10 @@ linters:
     - gocritic
     # Complains about main() lengths, which isn't an issue.
     - funlen
+    - varnamelen
+    - paralleltest
+    # Deprecated.
+    - exhaustivestruct
 linters-settings:
   lll:
     line-length: 420

exported.go

@@ -24,7 +24,6 @@
 package flagger
 
 import (
-	// stdlib
 	"log"
 	"os"
 )
@@ -47,6 +46,7 @@ func New(appName string, l LoggerInterface) *Flagger {
 		logger = l
 	}
 
+	// nolint:exhaustruct
 	f := Flagger{}
 
 	return &f

flag.go

@@ -25,12 +25,12 @@ package flagger
 
 // Flag represents addable flag for Flagger.
 type Flag struct {
+	// This value will be reflected.
+	DefaultValue interface{}
 	// Flag name. It will be accessible using this name later.
 	Name string
 	// Description for help output.
 	Description string
 	// Type can be one of "bool", "int", "string".
 	Type string
-	// This value will be reflected.
-	DefaultValue interface{}
 }

flagger.go

@@ -24,8 +24,6 @@
 package flagger
 
 import (
-	// stdlib
-
 	"flag"
 	"os"
 )
@@ -50,8 +48,7 @@ type Flagger struct {
 
 // AddFlag adds flag to list of flags we will pass to ``flag`` package.
 func (f *Flagger) AddFlag(flag *Flag) error {
-	_, present := f.flags[flag.Name]
+	if _, present := f.flags[flag.Name]; present {
-	if present {
 		return ErrFlagAlreadyAdded
 	}
 
@@ -117,16 +114,17 @@ func (f *Flagger) Parse() {
 	}
 
 	for name, fl := range f.flags {
-		if fl.Type == "bool" {
+		switch fl.Type {
-			fdef := fl.DefaultValue.(bool)
+		case "bool":
+			fdef, _ := fl.DefaultValue.(bool)
 			f.flagsBool[name] = &fdef
 			f.flagSet.BoolVar(&fdef, name, fdef, fl.Description)
-		} else if fl.Type == "int" {
+		case "int":
-			fdef := fl.DefaultValue.(int)
+			fdef, _ := fl.DefaultValue.(int)
 			f.flagsInt[name] = &fdef
 			f.flagSet.IntVar(&fdef, name, fdef, fl.Description)
-		} else if fl.Type == "string" {
+		case "string":
-			fdef := fl.DefaultValue.(string)
+			fdef, _ := fl.DefaultValue.(string)
 			f.flagsString[name] = &fdef
 			f.flagSet.StringVar(&fdef, name, fdef, fl.Description)
 		}
@@ -134,8 +132,7 @@ func (f *Flagger) Parse() {
 
 	logger.Print("Parsing CLI parameters:", os.Args)
 
-	err := f.flagSet.Parse(os.Args[1:])
+	if err := f.flagSet.Parse(os.Args[1:]); err != nil {
-	if err != nil {
 		os.Exit(0)
 	}
 }

flagger_test.go

@@ -24,12 +24,10 @@
 package flagger
 
 import (
-	// stdlib
 	"log"
 	"os"
 	"testing"
 
-	// other
 	"github.com/stretchr/testify/require"
 )
 
@@ -113,6 +111,7 @@ func TestFlaggerAddStringFlag(t *testing.T) {
 	err := f.AddFlag(&flagTestString)
 	require.Nil(t, err)
 }
+
 func TestFlaggerParse(t *testing.T) {
 	f := New("tests", LoggerInterface(log.New(os.Stdout, "testing logger: ", log.Lshortfile)))
 	require.NotNil(t, f)