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Add before function to app

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This commit is contained in:
Greg B 2014-01-01 15:00:20 -06:00 committed by Jeremy Saenz
parent 78d5f0dd40
commit f7c1cd9a11
1 changed files with 10 additions and 0 deletions
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10
app.go
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@ -20,6 +20,9 @@ type App struct {
Commands []Command Commands []Command
// List of flags to parse // List of flags to parse
Flags []Flag Flags []Flag
// An action to execute before any subcommands are run, but after the context is ready
// If a non-nil error is returned, no subcommands are run
Before func(context *Context) error
// The action to execute when no subcommands are specified // The action to execute when no subcommands are specified
Action func(context *Context) Action func(context *Context)
// Compilation date // Compilation date
@ -93,6 +96,13 @@ func (a *App) Run(arguments []string) error {
return nil return nil
} }
if a.Before != nil {
err := a.Before(context)
if err != nil {
return err
}
}
args := context.Args() args := context.Args()
if args.Present() { if args.Present() {
name := args.First() name := args.First()