tmpl/cmd/use.go

48 lines
845 B
Go

package cmd
import (
"errors"
"go.jolheiser.com/tmpl/cmd/flags"
"go.jolheiser.com/tmpl/registry"
"github.com/urfave/cli/v2"
"go.jolheiser.com/beaver"
)
var Use = &cli.Command{
Name: "use",
Usage: "Use a template",
Description: "Use (execute) a template from the registry",
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "defaults",
Usage: "Use template defaults",
},
},
Action: runUse,
}
func runUse(ctx *cli.Context) error {
if ctx.NArg() < 2 {
return errors.New("<name> <dest>")
}
reg, err := registry.Open(flags.Registry)
if err != nil {
return err
}
tmpl, err := reg.GetTemplate(ctx.Args().First())
if err != nil {
return err
}
if err := tmpl.Execute(ctx.Args().Get(1), ctx.Bool("defaults")); err != nil {
return err
}
beaver.Infof("Successfully executed %s", tmpl.Name)
return nil
}