abra/cli/recipe/create.go

package recipe

import (
	"errors"
	"fmt"
	"os"
	"path"
	"text/template"

	"coopcloud.tech/abra/cli/internal"
	"coopcloud.tech/abra/pkg/config"
	"github.com/go-git/go-git/v5"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli/v2"
)

var recipeCreateCommand = &cli.Command{
	Name:      "create",
	Usage:     "Create a new recipe",
	Aliases:   []string{"c"},
	ArgsUsage: "<recipe>",
	Action: func(c *cli.Context) error {
		recipe := c.Args().First()
		if recipe == "" {
			internal.ShowSubcommandHelpAndError(c, errors.New("no recipe provided"))
		}

		directory := path.Join(config.APPS_DIR, recipe)
		if _, err := os.Stat(directory); !os.IsNotExist(err) {
			logrus.Fatalf("'%s' recipe directory already exists?", directory)
			return nil
		}

		url := fmt.Sprintf("%s/example.git", config.REPOS_BASE_URL)
		_, err := git.PlainClone(directory, false, &git.CloneOptions{URL: url, Tags: git.AllTags})
		if err != nil {
			logrus.Fatal(err)
			return nil
		}

		gitRepo := path.Join(config.APPS_DIR, recipe, ".git")
		if err := os.RemoveAll(gitRepo); err != nil {
			logrus.Fatal(err)
			return nil
		}

		toParse := []string{
			path.Join(config.APPS_DIR, recipe, "README.md"),
			path.Join(config.APPS_DIR, recipe, ".env.sample"),
			path.Join(config.APPS_DIR, recipe, ".drone.yml"),
		}
		for _, path := range toParse {
			file, err := os.OpenFile(path, os.O_RDWR, 0755)
			if err != nil {
				logrus.Fatal(err)
				return nil
			}

			tpl, err := template.ParseFiles(path)
			if err != nil {
				logrus.Fatal(err)
				return nil
			}

			// TODO: ask for description and probably other things so that the
			// template repository is more "ready" to go than the current best-guess
			// mode of templating
			if err := tpl.Execute(file, struct {
				Name        string
				Description string
			}{recipe, "TODO"}); err != nil {
				logrus.Fatal(err)
				return nil
			}
		}

		logrus.Infof(
			"New recipe '%s' created in %s, happy hacking!\n",
			recipe, path.Join(config.APPS_DIR, recipe),
		)

		return nil
	},
}