recipe.go

/*
 * Copyright (c) 2025, 2026 Gilles Chehade <gilles@poolp.org>
 * Copyright (c) 2025, 2026 Eric Faurot <eric.faurot@plakar.io>
 * Copyright (c) 2025, 2026 Omar Polo <op@omarpolo.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

package pkg

import (
	"fmt"
	"io"
	"os"
	"runtime"

	"go.yaml.in/yaml/v3"
)

type Recipe struct {
	Name       string `yaml:"name"`
	Version    string `yaml:"version"`
	Repository string `yaml:"repository"`
	// Checksum   string `yaml:"checksum"`
}

func NewRecipeFromFile(path string) (*Recipe, error) {
	var r Recipe
	if err := r.ParseFile(path); err != nil {
		return nil, err
	}
	return &r, nil
}

func (recipe *Recipe) ParseFile(path string) error {
	fp, err := os.Open(path)
	if err != nil {
		return err
	}
	defer fp.Close()

	return recipe.Parse(fp)
}

func (recipe *Recipe) Parse(rd io.Reader) error {
	return yaml.NewDecoder(rd).Decode(recipe)
}

// xxx unused
func (recipe *Recipe) PkgName() string {
	GOOS := runtime.GOOS
	GOARCH := runtime.GOARCH
	if goosEnv := os.Getenv("GOOS"); goosEnv != "" {
		GOOS = goosEnv
	}
	if goarchEnv := os.Getenv("GOARCH"); goarchEnv != "" {
		GOARCH = goarchEnv
	}

	return fmt.Sprintf("%s_%s_%s_%s.ptar", recipe.Name, recipe.Version, GOOS, GOARCH)
}