Method buildMeta

pkgcache/metadata.go:97–205

()

}

func (p Port) buildMeta() (string, error) {
	key := fmt.Sprintf("%s|%t|%d|%s", p.NameVersion, p.DevDep || p.HostDev, p.PortType, strings.Join(p.Parents, ">"))
	if value, ok := metaCache.Load(key); ok {
		result := value.(metaResult)
		return result.meta, result.err
	}

	var buffer bytes.Buffer

	// Write celer version and platform content for root port only.
	if p.PortType == portTypePort {
		// Write content of platform toml.
		p.writeSectionTitle(&buffer, p.Parents, p.NameVersion, "platform")
		platform, err := p.Callbacks.GenPlatformTomlString()
		if err != nil {
			return "", err
		}
		fmt.Fprintf(&buffer, "%s\n", platform)
	}

	// Write port content.
	parts := strings.Split(p.NameVersion, "@")
	if len(parts) != 2 {
		return "", fmt.Errorf("invalid port name and version: %s", p.NameVersion)
	}

	content, err := p.Callbacks.GenPortTomlString(p.NameVersion, p.DevDep)
	if err != nil {
		return "", fmt.Errorf("generate toml content of port %s -> %w", p.NameVersion, err)
	}
	p.writeSectionTitle(&buffer, p.Parents, p.NameVersion, "port")
	fmt.Fprintf(&buffer, "%s\n", content)

	// Write content of patches.
	for _, patch := range p.BuildConfig.Patches {
		content, err := p.readPatch(patch)
		if err != nil {
			return "", fmt.Errorf("read patch %s -> %w", patch, err)
		}
		p.writeSectionTitle(&buffer, p.Parents, p.NameVersion, fmt.Sprintf("patch: %s", patch))
		fmt.Fprintf(&buffer, "%s\n", content)
	}

	// Write content of dev_dependencies.
	for _, nameVersion := range p.BuildConfig.DevDependencies {
		// Same name, version as parent and they are booth build with native toolchain, so skip.
		if (p.DevDep || p.HostDev) && p.NameVersion == nameVersion {
			continue
		}

		// Skip if not supported.
		if !p.Callbacks.CheckHostSupported(nameVersion) {
			continue
		}

		buildConfig, err := p.Callbacks.GetBuildConfig(nameVersion, true)
		if err != nil {
			return "", fmt.Errorf("get build config of dependency %s -> %w", nameVersion, err)