Upgrade to github.com/urfave/cli/v2

cmd/gen.go

@@ -7,24 +7,25 @@ import (
 	"github.com/99designs/gqlgen/api"
 	"github.com/99designs/gqlgen/codegen/config"
 	"github.com/pkg/errors"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
-var genCmd = cli.Command{
+var genCmd = &cli.Command{
 	Name:  "generate",
 	Usage: "generate a graphql server based on schema",
 	Flags: []cli.Flag{
-		cli.BoolFlag{Name: "verbose, v", Usage: "show logs"},
-		cli.StringFlag{Name: "config, c", Usage: "the config filename"},
+		&cli.BoolFlag{Name: "verbose, v", Usage: "show logs"},
+		&cli.StringFlag{Name: "config, c", Usage: "the config filename"},
 	},
-	Action: func(ctx *cli.Context) {
+	Action: func(ctx *cli.Context) error {
 		var cfg *config.Config
 		var err error
 		if configFilename := ctx.String("config"); configFilename != "" {
 			cfg, err = config.LoadConfig(configFilename)
 			if err != nil {
 				fmt.Fprintln(os.Stderr, err.Error())
 				os.Exit(1)
+				return err
 			}
 		} else {
 			cfg, err = config.LoadConfigFromDefaultLocations()
@@ -33,12 +34,15 @@ var genCmd = cli.Command{
 			} else if err != nil {
 				fmt.Fprintln(os.Stderr, err.Error())
 				os.Exit(2)
+				return err
 			}
 		}
 
 		if err = api.Generate(cfg); err != nil {
 			fmt.Fprintln(os.Stderr, err.Error())
 			os.Exit(3)
+			return err
 		}
+		return nil
 	},
 }

cmd/init.go

@@ -13,7 +13,7 @@ import (
 	"github.com/99designs/gqlgen/codegen/config"
 	"github.com/99designs/gqlgen/internal/code"
 	"github.com/99designs/gqlgen/plugin/servergen"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
 var configTemplate = template.Must(template.New("name").Parse(
@@ -105,16 +105,16 @@ type Mutation {
 }
 `
 
-var initCmd = cli.Command{
+var initCmd = &cli.Command{
 	Name:  "init",
 	Usage: "create a new gqlgen project",
 	Flags: []cli.Flag{
-		cli.BoolFlag{Name: "verbose, v", Usage: "show logs"},
-		cli.StringFlag{Name: "config, c", Usage: "the config filename"},
-		cli.StringFlag{Name: "server", Usage: "where to write the server stub to", Value: "server.go"},
-		cli.StringFlag{Name: "schema", Usage: "where to write the schema stub to", Value: "graph/schema.graphqls"},
+		&cli.BoolFlag{Name: "verbose, v", Usage: "show logs"},
+		&cli.StringFlag{Name: "config, c", Usage: "the config filename"},
+		&cli.StringFlag{Name: "server", Usage: "where to write the server stub to", Value: "server.go"},
+		&cli.StringFlag{Name: "schema", Usage: "where to write the schema stub to", Value: "graph/schema.graphqls"},
 	},
-	Action: func(ctx *cli.Context) {
+	Action: func(ctx *cli.Context) error {
 		configFilename := ctx.String("config")
 		serverFilename := ctx.String("server")
 
@@ -130,6 +130,7 @@ var initCmd = cli.Command{
 		}
 
 		GenerateGraphServer(serverFilename)
+		return nil
 	},
 }
 

cmd/root.go

@@ -7,7 +7,7 @@ import (
 	"os"
 
 	"github.com/99designs/gqlgen/graphql"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 
 	// Required since otherwise dep will prune away these unused packages before codegen has a chance to run
 	_ "github.com/99designs/gqlgen/graphql/handler"
@@ -32,7 +32,7 @@ func Execute() {
 	}
 
 	app.Action = genCmd.Action
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		genCmd,
 		initCmd,
 		versionCmd,

cmd/version.go

@@ -4,13 +4,14 @@ import (
 	"fmt"
 
 	"github.com/99designs/gqlgen/graphql"
-	"github.com/urfave/cli"
+	"github.com/urfave/cli/v2"
 )
 
-var versionCmd = cli.Command{
+var versionCmd = &cli.Command{
 	Name:  "version",
 	Usage: "print the version string",
-	Action: func(ctx *cli.Context) {
+	Action: func(ctx *cli.Context) error {
 		fmt.Println(graphql.Version)
+		return nil
 	},
 }

go.mod

@@ -1,32 +1,30 @@
 module github.com/99designs/gqlgen
 
-go 1.12
+go 1.13
 
 require (
-	github.com/agnivade/levenshtein v1.0.3 // indirect
-	github.com/go-chi/chi v3.3.2+incompatible
-	github.com/gogo/protobuf v1.0.0 // indirect
-	github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f // indirect
-	github.com/gorilla/mux v1.6.1 // indirect
-	github.com/gorilla/websocket v1.2.0
-	github.com/hashicorp/golang-lru v0.5.0
+	github.com/go-chi/chi v4.0.3+incompatible
+	github.com/gogo/protobuf v1.3.1 // indirect
+	github.com/gorilla/mux v1.7.4 // indirect
+	github.com/gorilla/websocket v1.4.1
+	github.com/hashicorp/golang-lru v0.5.4
 	github.com/logrusorgru/aurora v0.0.0-20200102142835-e9ef32dff381
-	github.com/matryer/moq v0.0.0-20200106131100-75d0ddfc0007
+	github.com/matryer/moq v0.0.0-20200125112110-7615cbe60268
 	github.com/mattn/go-colorable v0.1.4
 	github.com/mattn/go-isatty v0.0.12
-	github.com/mitchellh/mapstructure v0.0.0-20180203102830-a4e142e9c047
+	github.com/mitchellh/mapstructure v1.1.2
 	github.com/opentracing/basictracer-go v1.0.0 // indirect
-	github.com/opentracing/opentracing-go v1.0.2
-	github.com/pkg/errors v0.8.1
-	github.com/rs/cors v1.6.0
-	github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371 // indirect
-	github.com/shurcooL/vfsgen v0.0.0-20180121065927-ffb13db8def0 // indirect
-	github.com/stretchr/testify v1.4.0
-	github.com/urfave/cli v1.20.0
-	github.com/vektah/dataloaden v0.2.1-0.20190515034641-a19b9a6e7c9e
+	github.com/opentracing/opentracing-go v1.1.0
+	github.com/pkg/errors v0.9.1
+	github.com/rs/cors v1.7.0
+	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 // indirect
+	github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd // indirect
+	github.com/stretchr/testify v1.5.1
+	github.com/urfave/cli/v2 v2.1.1
+	github.com/vektah/dataloaden v0.3.0
 	github.com/vektah/gqlparser/v2 v2.0.1
-	golang.org/x/tools v0.0.0-20200114235610-7ae403b6b589
-	gopkg.in/yaml.v2 v2.2.4
-	sourcegraph.com/sourcegraph/appdash v0.0.0-20180110180208-2cc67fd64755
+	golang.org/x/tools v0.0.0-20200220224806-8a925fa4c0df
+	gopkg.in/yaml.v2 v2.2.8
+	sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0
 	sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 // indirect
 )