Modernize usage of urfave/cli

cmd/doodad/commands/convert.go

@@ -22,26 +22,28 @@ import (
 
 // Convert between image files (png or bitmap) and Doodle drawing files (levels
 // and doodads)
-var Convert cli.Command
+var Convert *cli.Command
 
 func init() {
-	Convert = cli.Command{
+	Convert = &cli.Command{
 		Name:      "convert",
 		Usage:     "convert between images and Doodle drawing files",
 		ArgsUsage: "<input> <output>",
 		Flags: []cli.Flag{
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "key",
 				Usage: "chroma key color for transparency on input image files",
 				Value: "#ffffff",
 			},
-			cli.StringFlag{
-				Name:  "title, t",
-				Usage: "set the title of the level or doodad being created",
+			&cli.StringFlag{
+				Name:    "title",
+				Aliases: []string{"t"},
+				Usage:   "set the title of the level or doodad being created",
 			},
-			cli.StringFlag{
-				Name:  "palette, p",
-				Usage: "use a palette JSON to define color swatch properties",
+			&cli.StringFlag{
+				Name:    "palette",
+				Aliases: []string{"p"},
+				Usage:   "use a palette JSON to define color swatch properties",
 			},
 		},
 		Action: func(c *cli.Context) error {
@@ -63,7 +65,7 @@ func init() {
 				)
 			}
 
-			args := c.Args()
+			args := c.Args().Slice()
 			var (
 				inputFiles = args[:len(args)-1]
 				inputType  = strings.ToLower(filepath.Ext(inputFiles[0]))

cmd/doodad/commands/edit_doodad.go

@@ -11,43 +11,43 @@ import (
 )
 
 // EditDoodad allows writing doodad metadata.
-var EditDoodad cli.Command
+var EditDoodad *cli.Command
 
 func init() {
-	EditDoodad = cli.Command{
+	EditDoodad = &cli.Command{
 		Name:      "edit-doodad",
 		Usage:     "update metadata for a Doodad file",
 		ArgsUsage: "<filename.doodad>",
 		Flags: []cli.Flag{
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "quiet, q",
 				Usage: "limit output (don't show doodad data at the end)",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "title",
 				Usage: "set the doodad title",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "author",
 				Usage: "set the doodad author",
 			},
-			cli.StringSliceFlag{
+			&cli.StringSliceFlag{
 				Name:  "tag, t",
 				Usage: "set a key/value tag on the doodad, in key=value format. Empty value deletes the tag.",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "hide",
 				Usage: "Hide the doodad from the palette",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "unhide",
 				Usage: "Unhide the doodad from the palette",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "lock",
 				Usage: "write-lock the level file",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "unlock",
 				Usage: "remove the write-lock on the level file",
 			},
@@ -60,7 +60,7 @@ func init() {
 				)
 			}
 
-			var filenames = c.Args()
+			var filenames = c.Args().Slice()
 			for _, filename := range filenames {
 				if err := editDoodad(c, filename); err != nil {
 					log.Error("%s: %s", filename, err)

cmd/doodad/commands/edit_level.go

@@ -10,47 +10,48 @@ import (
 )
 
 // EditLevel allows writing level metadata.
-var EditLevel cli.Command
+var EditLevel *cli.Command
 
 func init() {
-	EditLevel = cli.Command{
+	EditLevel = &cli.Command{
 		Name:      "edit-level",
 		Usage:     "update metadata for a Level file",
 		ArgsUsage: "<filename.level>",
 		Flags: []cli.Flag{
-			cli.BoolFlag{
-				Name:  "quiet, q",
-				Usage: "limit output (don't show doodad data at the end)",
+			&cli.BoolFlag{
+				Name:    "quiet",
+				Aliases: []string{"q"},
+				Usage:   "limit output (don't show doodad data at the end)",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "title",
 				Usage: "set the level title",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "author",
 				Usage: "set the level author",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "password",
 				Usage: "set the level password",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "type",
 				Usage: "set the page type. One of: Unbounded, Bounded, NoNegativeSpace, Bordered",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "max-size",
 				Usage: "set the page max size (WxH format, like 2550x3300)",
 			},
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "wallpaper",
 				Usage: "set the wallpaper filename",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "lock",
 				Usage: "write-lock the level file",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "unlock",
 				Usage: "remove the write-lock on the level file",
 			},
@@ -63,7 +64,7 @@ func init() {
 				)
 			}
 
-			var filenames = c.Args()
+			var filenames = c.Args().Slice()
 			for _, filename := range filenames {
 				if err := editLevel(c, filename); err != nil {
 					log.Error("%s: %s", filename, err)

cmd/doodad/commands/install_script.go

@@ -10,15 +10,15 @@ import (
 )
 
 // InstallScript to add the script to a doodad file.
-var InstallScript cli.Command
+var InstallScript *cli.Command
 
 func init() {
-	InstallScript = cli.Command{
+	InstallScript = &cli.Command{
 		Name:      "install-script",
 		Usage:     "install the JavaScript source to a doodad",
 		ArgsUsage: "<index.js> <filename.doodad>",
 		Flags: []cli.Flag{
-			cli.StringFlag{
+			&cli.StringFlag{
 				Name:  "key",
 				Usage: "chroma key color for transparency on input image files",
 				Value: "#ffffff",
@@ -34,8 +34,8 @@ func init() {
 
 			var (
 				args       = c.Args()
-				scriptFile = args[0]
-				doodadFile = args[1]
+				scriptFile = args.Get(0)
+				doodadFile = args.Get(1)
 			)
 
 			// Read the JavaScript source.

cmd/doodad/commands/show.go

@@ -13,29 +13,30 @@ import (
 )
 
 // Show information about a Level or Doodad file.
-var Show cli.Command
+var Show *cli.Command
 
 func init() {
-	Show = cli.Command{
+	Show = &cli.Command{
 		Name:      "show",
 		Usage:     "show information about a level or doodad file",
 		ArgsUsage: "<.level or .doodad>",
 		Flags: []cli.Flag{
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "actors",
 				Usage: "print verbose actor data in Level files",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "chunks",
 				Usage: "print verbose data about all the pixel chunks in a file",
 			},
-			cli.BoolFlag{
+			&cli.BoolFlag{
 				Name:  "script",
 				Usage: "print the script from a doodad file and exit",
 			},
-			cli.BoolFlag{
-				Name:  "verbose, v",
-				Usage: "print verbose output (all verbose flags enabled)",
+			&cli.BoolFlag{
+				Name:    "verbose",
+				Aliases: []string{"v"},
+				Usage:   "print verbose output (all verbose flags enabled)",
 			},
 		},
 		Action: func(c *cli.Context) error {
@@ -46,7 +47,7 @@ func init() {
 				)
 			}
 
-			filenames := c.Args()
+			filenames := c.Args().Slice()
 			for _, filename := range filenames {
 				switch strings.ToLower(filepath.Ext(filename)) {
 				case enum.LevelExt:

cmd/doodad/main.go

@@ -44,13 +44,13 @@ func main() {
 	)
 
 	app.Flags = []cli.Flag{
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "debug, d",
 			Usage: "enable debug level logging",
 		},
 	}
 
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		commands.Convert,
 		commands.Show,
 		commands.EditLevel,

cmd/doodle/main.go

@@ -55,15 +55,17 @@ func main() {
 	)
 
 	app.Flags = []cli.Flag{
-		cli.BoolFlag{
-			Name:  "debug, d",
-			Usage: "enable debug level logging",
+		&cli.BoolFlag{
+			Name:    "debug",
+			Aliases: []string{"d"},
+			Usage:   "enable debug level logging",
 		},
-		cli.BoolFlag{
-			Name:  "edit, e",
-			Usage: "edit the map given on the command line (instead of play it)",
+		&cli.BoolFlag{
+			Name:    "edit",
+			Aliases: []string{"e"},
+			Usage:   "edit the map given on the command line (instead of play it)",
 		},
-		cli.BoolFlag{
+		&cli.BoolFlag{
 			Name:  "guitest",
 			Usage: "enter the GUI Test scene on startup",
 		},