tmpl/cmd/download.go

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package cmd
import (
"fmt"
"strings"
"go.jolheiser.com/tmpl/cmd/flags"
"go.jolheiser.com/tmpl/registry"
"github.com/urfave/cli/v2"
"go.jolheiser.com/beaver"
)
var Download = &cli.Command{
Name: "download",
Usage: "Download a template",
Description: "Download a template and save it to the local registry",
ArgsUsage: "[repository URL] [name]",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "branch",
Aliases: []string{"b"},
Usage: "Branch to clone",
Value: "main",
EnvVars: []string{"TMPL_BRANCH"},
},
},
Action: runDownload,
}
func runDownload(ctx *cli.Context) error {
if ctx.NArg() < 2 {
return cli.ShowCommandHelp(ctx, ctx.Command.Name)
}
reg, err := registry.Open(flags.Registry)
if err != nil {
return err
}
var source *registry.Source
if flags.Source != "" {
for _, s := range reg.Sources {
if strings.EqualFold(s.Name, flags.Source) {
source = s
break
}
}
if source == nil {
return fmt.Errorf("could not find source for %s", flags.Source)
}
}
cloneURL := ctx.Args().First()
if source != nil {
cloneURL = source.CloneURL(cloneURL)
}
if !strings.HasSuffix(cloneURL, ".git") {
cloneURL += ".git"
}
t, err := reg.DownloadTemplate(ctx.Args().Get(1), cloneURL, ctx.String("branch"))
if err != nil {
return err
}
beaver.Infof("Added new template %s", t.Name)
return nil
}