abra/recipe/recipe.go

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2021-09-04 23:55:10 +00:00
package recipe
import (
"fmt"
"os"
"path"
"strings"
"coopcloud.tech/abra/config"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing"
)
// EnsureExists checks whether a recipe has been cloned locally or not.
func EnsureExists(recipe string) error {
recipeDir := path.Join(config.ABRA_DIR, "apps", strings.ToLower(recipe))
if _, err := os.Stat(recipeDir); os.IsNotExist(err) {
url := fmt.Sprintf("%s/%s.git", config.REPOS_BASE_URL, recipe)
_, err := git.PlainClone(recipeDir, false, &git.CloneOptions{URL: url, Tags: git.AllTags})
if err != nil {
return err
}
}
return nil
}
// EnsureVersion checks whether a specific version exists for a recipe.
func EnsureVersion(version string) error {
recipeDir := path.Join(config.ABRA_DIR, "apps", strings.ToLower(version))
repo, err := git.PlainOpen(recipeDir)
if err != nil {
return err
}
tags, err := repo.Tags()
if err != nil {
return nil
}
var tagRef plumbing.ReferenceName
if err := tags.ForEach(func(ref *plumbing.Reference) (err error) {
if ref.Name().Short() == version {
tagRef = ref.Name()
}
return nil
}); err != nil {
return err
}
if tagRef.String() == "" {
return fmt.Errorf("%s is not available?", version)
}
worktree, err := repo.Worktree()
if err != nil {
return err
}
opts := &git.CheckoutOptions{Branch: tagRef, Keep: true}
if err := worktree.Checkout(opts); err != nil {
return err
}
return nil
}