fix lint

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

flag.go

@@ -1,4 +1,4 @@
-package flag // import "go.unistack.org/micro-config-flag/v3"
+package flag // import "go.unistack.org/micro-config-flag/v4"
 
 import (
 	"context"
@@ -10,8 +10,9 @@ import (
 	"strings"
 	"time"
 
-	"go.unistack.org/micro/v3/config"
+	"go.unistack.org/micro/v4/config"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/options"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var (
@@ -39,9 +40,13 @@ func (c *flagConfig) Options() config.Options {
 	return c.opts
 }
 
-func (c *flagConfig) Init(opts ...config.Option) error {
+func (c *flagConfig) Init(opts ...options.Option) error {
+	var err error
+
 	for _, o := range opts {
-		o(&c.opts)
+		if err = o(&c.opts); err != nil {
+			return err
+		}
 	}
 
 	if err := config.DefaultBeforeInit(c.opts.Context, c); err != nil && !c.opts.AllowFail {
@@ -155,7 +160,11 @@ func (c *flagConfig) Init(opts ...config.Option) error {
 	return nil
 }
 
-func (c *flagConfig) Load(ctx context.Context, opts ...config.LoadOption) error {
+func (c *flagConfig) Load(ctx context.Context, opts ...options.Option) error {
+	if c.opts.SkipLoad != nil && c.opts.SkipLoad(ctx, c) {
+		return nil
+	}
+
 	options := config.NewLoadOptions(opts...)
 	_ = options
 
@@ -173,7 +182,11 @@ func (c *flagConfig) Load(ctx context.Context, opts ...config.LoadOption) error
 	return nil
 }
 
-func (c *flagConfig) Save(ctx context.Context, opts ...config.SaveOption) error {
+func (c *flagConfig) Save(ctx context.Context, opts ...options.Option) error {
+	if c.opts.SkipSave != nil && c.opts.SkipSave(ctx, c) {
+		return nil
+	}
+
 	if err := config.DefaultBeforeSave(ctx, c); err != nil && !c.opts.AllowFail {
 		return err
 	}
@@ -193,7 +206,7 @@ func (c *flagConfig) Name() string {
 	return c.opts.Name
 }
 
-func (c *flagConfig) Watch(ctx context.Context, opts ...config.WatchOption) (config.Watcher, error) {
+func (c *flagConfig) Watch(ctx context.Context, opts ...options.Option) (config.Watcher, error) {
 	return nil, fmt.Errorf("not implemented")
 }
 
@@ -308,7 +321,7 @@ func (c *flagConfig) configure() {
 	c.name = flagSetName
 }
 
-func NewConfig(opts ...config.Option) config.Config {
+func NewConfig(opts ...options.Option) config.Config {
 	options := config.NewOptions(opts...)
 	if len(options.StructTag) == 0 {
 		options.StructTag = DefaultStructTag

flag_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 	"time"
 
-	"go.unistack.org/micro/v3/config"
+	"go.unistack.org/micro/v4/config"
 )
 
 func TestLoad(t *testing.T) {

go.mod

@@ -1,7 +1,10 @@
-module go.unistack.org/micro-config-flag/v3
+module go.unistack.org/micro-config-flag/v4
 
 go 1.18
 
-require go.unistack.org/micro/v3 v3.10.16
+require go.unistack.org/micro/v4 v4.0.17
 
-require github.com/imdario/mergo v0.3.13 // indirect
+require (
+	dario.cat/mergo v1.0.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+)

go.sum

@@ -1,10 +1,9 @@
-github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
+dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
-github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-go.unistack.org/micro/v3 v3.10.16 h1:2er/SKKYbV60M+UuJM4eYCF0MZYAIq/yNUrAbTfgq8Q=
+go.unistack.org/micro/v4 v4.0.17 h1:mF7uM+J4ILdG+1fcwzKYCwDlxhdbF/e1WnGzKKLnIXc=
-go.unistack.org/micro/v3 v3.10.16/go.mod h1:uMAc0U/x7dmtICCrblGf0ZLgYegu3VwQAquu+OFCw1Q=
+go.unistack.org/micro/v4 v4.0.17/go.mod h1:ZDgU9931vm2l7X6RN/6UuwRIVp24GRdmQ7dKmegArk4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

options.go

@@ -3,62 +3,61 @@ package flag
 import (
 	"flag"
 
-	"go.unistack.org/micro/v3/config"
+	"go.unistack.org/micro/v4/options"
 )
 
 type sliceDelimKey struct{}
 
 // SliceDelim set the slice delimeter
-func SliceDelim(s string) config.Option {
+func SliceDelim(s string) options.Option {
-	return config.SetOption(sliceDelimKey{}, s)
+	return options.ContextOption(sliceDelimKey{}, s)
 }
 
 type mapDelimKey struct{}
 
 // MapDelim set the map delimeter
-func MapDelim(s string) config.Option {
+func MapDelim(s string) options.Option {
-	return config.SetOption(mapDelimKey{}, s)
+	return options.ContextOption(mapDelimKey{}, s)
 }
 
 type timeFormatKey struct{}
 
 // TimeFormat set the time format
-func TimeFormat(s string) config.Option {
+func TimeFormat(s string) options.Option {
-	return config.SetOption(timeFormatKey{}, s)
+	return options.ContextOption(timeFormatKey{}, s)
 }
 
 type flagSetKey struct{}
 
 // FlagSet set flag set name
-func FlagSet(f *flag.FlagSet) config.Option {
+func FlagSet(f *flag.FlagSet) options.Option {
-	return config.SetOption(flagSetKey{}, f)
+	return options.ContextOption(flagSetKey{}, f)
 }
 
 type flagSetNameKey struct{}
 
 // FlagSetName set flag set name
-func FlagSetName(n string) config.Option {
+func FlagSetName(n string) options.Option {
-	return config.SetOption(flagSetNameKey{}, n)
+	return options.ContextOption(flagSetNameKey{}, n)
 }
 
 type flagSetErrorHandlingKey struct{}
 
 // FlagErrorHandling set flag set error handling
-func FlagErrorHandling(eh flag.ErrorHandling) config.Option {
+func FlagErrorHandling(eh flag.ErrorHandling) options.Option {
-	return config.SetOption(flagSetErrorHandlingKey{}, eh)
+	return options.ContextOption(flagSetErrorHandlingKey{}, eh)
 }
 
 type flagSetUsageKey struct{}
 
 // FlagUsage set flag set usage func
-func FlagUsage(fn func()) config.Option {
+func FlagUsage(fn func()) options.Option {
-	return config.SetOption(flagSetUsageKey{}, fn)
+	return options.ContextOption(flagSetUsageKey{}, fn)
 }
 
-
 type flagEnvKey struct{}
 
 // FlagEnv set flag set usage func
-func FlagEnv(n string) config.Option {
+func FlagEnv(n string) options.Option {
-	return config.SetOption(flagEnvKey{}, n)
+	return options.ContextOption(flagEnvKey{}, n)
 }

util.go

@@ -325,6 +325,7 @@ func (c *flagConfig) flagFloat64(v reflect.Value, fn, fv, fd string) error {
 	return nil
 }
 
+/*
 func (c *flagConfig) flagStringSlice(v reflect.Value, fn, fv, fd string) error {
 	nv, ok := v.Addr().Interface().(*string)
 	if !ok {
@@ -333,6 +334,7 @@ func (c *flagConfig) flagStringSlice(v reflect.Value, fn, fv, fd string) error {
 	flag.StringVar(nv, fn, fv, fd)
 	return nil
 }
+*/
 
 func getFlagOpts(tf string) (string, string, string) {
 	var name, desc, def string