tmpl/cmd/use.go

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package cmd
import (
"go.jolheiser.com/tmpl/env"
"go.jolheiser.com/tmpl/registry"
"github.com/rs/zerolog/log"
"github.com/urfave/cli/v2"
)
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",
},
&cli.BoolFlag{
Name: "force",
Usage: "Overwrite existing files",
},
&cli.BoolFlag{
Name: "accessible",
Usage: "Prompt in accessible mode (one prompt at a time)",
},
},
ArgsUsage: "[name] [destination (default: \".\")]",
Action: runUse,
}
func runUse(ctx *cli.Context) error {
if ctx.NArg() < 1 {
return cli.ShowCommandHelp(ctx, ctx.Command.Name)
}
dest := "."
if ctx.NArg() >= 2 {
dest = ctx.Args().Get(1)
}
reg, err := registry.Open(registryFlag)
if err != nil {
return err
}
e, err := env.Load(registryFlag)
if err != nil {
return err
}
if err := e.Set(); err != nil {
return err
}
tmpl, err := reg.GetTemplate(ctx.Args().First())
if err != nil {
return err
}
if err := tmpl.Execute(dest, ctx.Bool("defaults"), ctx.Bool("accessible"), ctx.Bool("force")); err != nil {
return err
}
log.Info().Msgf("Successfully executed %q", tmpl.Name)
return nil
}