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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package flag | ||
|
|
||
| import ( | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/urfave/cli/v2" | ||
| ) | ||
|
|
||
| var ( | ||
| app = cli.NewApp() | ||
| actions []cli.ActionFunc | ||
| ) | ||
|
|
||
| func init() { | ||
| app.Name = filepath.Base(os.Args[0]) | ||
| app.HideHelp = true | ||
| app.Action = action | ||
| } | ||
|
|
||
| func action(ctx *cli.Context) error { | ||
| if ctx.Bool("help") { | ||
| cli.ShowAppHelpAndExit(ctx, 0) | ||
| } | ||
|
|
||
| for _, fn := range actions { | ||
| if err := fn(ctx); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func Add(flag cli.Flag, fn cli.ActionFunc) { | ||
| app.Flags = append(app.Flags, flag) | ||
| if fn != nil { | ||
| actions = append(actions, fn) | ||
| } | ||
| } | ||
|
|
||
| func Run() error { | ||
| app.Flags = append(app.Flags, cli.HelpFlag) | ||
| return app.Run(os.Args) | ||
| } |
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