305 lines
8.4 KiB
Go
305 lines
8.4 KiB
Go
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package main
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import (
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"fmt"
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"os"
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"regexp"
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"git.oreonproject.org/oreonproject/eternity/common"
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"git.oreonproject.org/oreonproject/eternity/lib"
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"math/big"
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"os/signal"
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"path/filepath"
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"github.com/Masterminds/semver"
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"github.com/sassoftware/go-rpmutils"
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)
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func main() {
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if len(os.Args) < 2 {
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fmt.Println("Usage: eternity <build/generate/convert/repo/package>")
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os.Exit(1)
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}
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logger := &common.DefaultLogger
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for i, arg := range os.Args {
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if arg == "--help" || arg == "-h" || (i != 1 && arg == "help") {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "To ask for help, use 'eternity help <build/generate/convert/repo/package>, not --help, -h, or eternity <command> help.",
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})
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}
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}
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switch os.Args[1] {
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case "build":
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inMemory := true
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if len(os.Args) > 2 {
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if os.Args[2] == "-d" || os.Args[2] == "--disk" {
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inMemory = false
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}
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}
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privateKey, err, vagueError := common.LoadPrivateKey(logger)
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if err != nil || vagueError != nil {
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common.LoadPrivateKeyHandleError(err, vagueError, logger)
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}
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config, err, vagueError := lib.ParseConfig("eternity.json", logger)
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if err != nil || vagueError != nil {
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common.EternityJsonHandleError(err, vagueError, logger)
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} else {
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var tempDir string
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt)
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go func() {
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for sig := range c {
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fmt.Println("\nCaught", sig, "signal, exiting...")
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if tempDir != "" {
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common.BuildEPKRemoveTemporaryDirectory(tempDir, logger)
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}
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os.Exit(1)
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}
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}()
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var size big.Int
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size, tempDir, err, vagueError = lib.BuildEPK("./", inMemory, config.Build, logger)
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if err != nil || vagueError != nil {
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common.BuildEPKHandleError(tempDir, err, vagueError, logger)
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} else {
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filePath := filepath.Join("./", config.Metadata.Name+"-"+config.Metadata.Version.String())
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config.Metadata.DecompressedSize = size
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err, vagueError := lib.PackageEPK(config.Metadata, config.Build, tempDir, filePath+".epk", privateKey, logger)
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if err != nil || vagueError != nil {
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common.PackageEPKHandleError(err, vagueError, logger)
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} else {
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common.BuildEPKRemoveTemporaryDirectory(tempDir, logger)
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logger.LogFunc(lib.Log{
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Level: "INFO",
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Content: "Successfully built and packaged EPK at " + filePath + ".epk",
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})
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}
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}
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}
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case "repo":
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if len(os.Args) < 4 {
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fmt.Println("Usage: eternity repo <build/generate> <directory>")
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fmt.Println("See 'eternity help repo' for more information.")
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os.Exit(1)
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}
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privateKey, err, vagueError := common.LoadPrivateKey(logger)
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if err != nil || vagueError != nil {
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common.LoadPrivateKeyHandleError(err, vagueError, logger)
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}
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switch os.Args[2] {
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case "generate":
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err, vagueError := lib.GenerateRepository(os.Args[3], privateKey, logger)
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if err != nil || vagueError != nil {
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common.GenerateRepositoryHandleError(err, vagueError, logger)
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}
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}
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case "convert":
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if len(os.Args) < 4 {
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fmt.Println("Usage: eternity convert </path/to/rpm> [</path/to/output/epk>]")
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os.Exit(1)
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}
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privateKey, err, vagueError := common.LoadPrivateKey(logger)
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if err != nil || vagueError != nil {
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common.LoadPrivateKeyHandleError(err, vagueError, logger)
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}
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rpmFile, err := os.Open(os.Args[2])
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error opening RPM: " + err.Error(),
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})
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}
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rpm, err := rpmutils.ReadRpm(rpmFile)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error reading RPM: " + err.Error(),
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})
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}
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name, err := rpm.Header.GetString(rpmutils.NAME)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM name: " + err.Error(),
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})
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}
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description, err := rpm.Header.GetString(rpmutils.DESCRIPTION)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM description: " + err.Error(),
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})
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}
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longDescription := logger.LogFunc(lib.Log{
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Level: "INFO",
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Content: "Enter a long description for the package: ",
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Prompt: true,
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})
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version, err := rpm.Header.GetString(rpmutils.VERSION)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM version: " + err.Error(),
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})
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}
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release, err := rpm.Header.GetString(rpmutils.RELEASE)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM release: " + err.Error(),
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})
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}
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semanticVersion, err := semver.NewVersion(version + "-" + release)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error parsing RPM version and release: " + err.Error(),
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})
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}
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author := logger.LogFunc(lib.Log{
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Level: "PROMPT",
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Content: "Enter your preferred author name. This must be the same as the author name used in " +
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"eternity.json and associated with your keypair, otherwise it will cause issues with EPK" +
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" verification and your repository will be rejected by Eon and cannot be trusted.",
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Prompt: true,
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})
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license, err := rpm.Header.GetString(rpmutils.LICENSE)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM license: " + err.Error(),
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})
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}
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decompressedSize, err := rpm.Header.GetUint64s(rpmutils.SIZE)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM size: " + err.Error(),
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})
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}
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dependenciesRpm, err := rpm.Header.GetStrings(rpmutils.REQUIRENAME)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM dependencies: " + err.Error(),
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})
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}
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libRegex := regexp.MustCompile(`^([a-z]+)`)
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var dependencies []string
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for _, dependency := range dependenciesRpm {
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dependencyMatch := libRegex.FindStringSubmatch(dependency)
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if len(dependencyMatch) > 1 {
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match := dependencyMatch[1]
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if match != "rpmlib" && match != "rtld" {
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var exists bool
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for _, dep := range dependencies {
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if dep == match {
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exists = true
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}
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}
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if !exists {
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dependencies = append(dependencies, match)
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}
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}
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}
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}
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fmt.Println(dependencies)
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architecture, err := rpm.Header.GetString(rpmutils.ARCH)
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error getting RPM architecture: " + err.Error(),
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})
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}
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metadata := lib.Metadata{
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Name: name,
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Description: description,
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LongDescription: longDescription,
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Version: *semanticVersion,
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Author: author,
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License: license,
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Architecture: architecture,
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Dependencies: dependencies,
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DecompressedSize: *big.NewInt(int64(decompressedSize[0])),
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SpecialFiles: lib.SpecialFiles{},
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}
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// Output the RPM data to a temporary directory
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tempDir, err := os.MkdirTemp("", "eternity-convert-")
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error creating temporary directory: " + err.Error(),
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})
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}
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err = rpm.ExpandPayload(filepath.Join(tempDir, "payload"))
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if err != nil {
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logger.LogFunc(lib.Log{
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Level: "FATAL",
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Content: "Error expanding RPM payload: " + err.Error(),
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})
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}
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// Package the EPK
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err, vagueError = lib.PackageEPK(metadata, lib.Build{
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TargetRoot: "payload",
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HooksFolder: lib.PotentiallyNullString{
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Null: true,
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},
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}, tempDir, os.Args[3], privateKey, logger)
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if err != nil || vagueError != nil {
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common.PackageEPKHandleError(err, vagueError, logger)
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} else {
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logger.LogFunc(lib.Log{
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Level: "INFO",
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Content: "Successfully converted RPM to EPK at " + os.Args[3],
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})
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}
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case "help":
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if len(os.Args) > 2 {
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switch os.Args[2] {
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case "build":
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fmt.Println("Usage: eternity build [-d/--disk]")
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fmt.Println(" -d, --disk Build EPK on disk instead of in memory. This is useful for large EPKs.")
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case "convert":
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fmt.Println("Usage: eternity convert </path/to/rpm> </path/to/output/epk>")
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case "repo":
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fmt.Println("Usage: eternity repo <build/generate> <directory>")
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fmt.Println(" build Build a repository from a directory containing EPK project directories.")
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fmt.Println(" generate Generate a repository from a directory containing EPKs.")
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case "package":
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fmt.Println("Usage: eternity package <epk>")
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default:
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fmt.Println("Usage: eternity help <build/generate/convert/repo/package>")
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}
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} else {
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fmt.Println("Usage: eternity help <build/generate/convert/repo/package>")
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}
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}
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}
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