Function parseModulesTxtDependencies

util.go:85–123

(r io.Reader)

}

func parseModulesTxtDependencies(r io.Reader) ([]dependency, error) {
	var dependencies []dependency
	s := bufio.NewScanner(r)
	for s.Scan() {
		ln := strings.TrimSpace(s.Text())
		if ln == "" {
			continue
		}
		parts := strings.Fields(ln)
		if parts[0] != "#" {
			continue
		}

		// See https://golang.org/ref/mod#go-mod-file-replace for
		// syntax on replace directives
		var commitOrVersionPart string
		if len(parts) == 3 {
			commitOrVersionPart = parts[2]
		} else if len(parts) == 5 && parts[2] == "=>" {
			// replace directive in go.mod without old version
			// no need to care since it will has corresponding one with old version
			continue
		} else if len(parts) == 6 && parts[3] == "=>" {
			commitOrVersionPart = parts[5]
		} else if (len(parts) == 4 && parts[2] == "=>") || (len(parts) == 5 && parts[3] == "=>") {
			// Ignore replace directive which uses filepath
			continue
		} else {
			return nil, fmt.Errorf("%w: %s", errUnknownFormat, ln)
		}
		commitOrVersion, isSha := getCommitOrVersion(commitOrVersionPart)
		if commitOrVersion == "" {
			return nil, fmt.Errorf("%w: poorly formatted version in replace section %s", errUnknownFormat, parts[2])
		}

		dependencies = append(dependencies, formatDependency(parts[1], commitOrVersion, isSha))
	}
	return dependencies, nil
}

func parseGoModDependencies(r io.Reader) ([]dependency, error) {
	var err error