Function LoadYumfile

yumfile.go:29–148

LoadYumfile loads a Yumfile from disk

(path string)

// LoadYumfile loads a Yumfile from disk
func LoadYumfile(path string) (*Yumfile, error) {
	Dprintf("Loading Yumfile: %s\n", path)

	yumfile := Yumfile{}

	// open file
	f, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer f.Close()

	// read each line
	n := 0
	scanner := bufio.NewScanner(f)
	var repo *Repo = nil
	for scanner.Scan() {
		n++
		s := scanner.Text()

		if matches := sectionHeadPattern.FindAllStringSubmatch(s, -1); len(matches) > 0 {
			// line is a [section header]
			id := matches[0][1]

			// append previous section
			if repo != nil {
				yumfile.Repos = append(yumfile.Repos, *repo)
			}

			// create new repo def
			repo = NewRepo()

			repo.YumfilePath = path
			repo.YumfileLineNo = n
			repo.ID = id
		} else if matches := keyValPattern.FindAllStringSubmatch(s, -1); len(matches) > 0 {
			// line is a key=val pair
			key := matches[0][1]
			val := matches[0][2]

			if repo == nil {
				// global key/val pair
				switch key {
				case "pathprefix":
					yumfile.LocalPathPrefix = val

				default:
					return nil, NewErrorf("Syntax error in Yumfile on line %d: Unknown key: %s", n, key)
				}
			} else {
				// add key/val to current repo
				switch key {
				case "localpath":
					repo.LocalPath = val

				case "arch":
					repo.Architecture = val