tmpl/cmd/restore.go

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package cmd
import (
"os"
"go.jolheiser.com/tmpl/registry"
"github.com/rs/zerolog/log"
"github.com/urfave/cli/v2"
)
var Restore = &cli.Command{
Name: "restore",
Usage: "Restore missing templates",
Description: "Restore templates that are listed in the registry, but are missing archives",
Action: runRestore,
}
func runRestore(_ *cli.Context) error {
reg, err := registry.Open(registryFlag)
if err != nil {
return err
}
var num int
for _, tmpl := range reg.Templates {
if _, err := os.Lstat(tmpl.ArchivePath()); os.IsNotExist(err) {
log.Info().Msgf("Restoring %q...", tmpl.Name)
if err := reg.UpdateTemplate(tmpl.Name); err != nil {
return err
}
num++
}
}
log.Info().Int("count", num).Msgf("Restored templates.")
return nil
}