mirror of
https://github.com/go-gitea/gitea
synced 2024-09-12 09:26:56 +02:00
Major changes: * Move some functions like "addReader" / "isSubDir" / "addRecursiveExclude" to a separate package, and add tests * Clarify the filename&dump type logic and add tests * Clarify the logger behavior and remove FIXME comments Co-authored-by: Giteabot <teabot@gitea.io>
329 lines
9.7 KiB
Go
329 lines
9.7 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2016 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cmd
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import (
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"fmt"
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"os"
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"path"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/dump"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/storage"
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"code.gitea.io/gitea/modules/util"
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"gitea.com/go-chi/session"
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"github.com/mholt/archiver/v3"
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"github.com/urfave/cli/v2"
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)
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// CmdDump represents the available dump sub-command.
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var CmdDump = &cli.Command{
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Name: "dump",
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Usage: "Dump Gitea files and database",
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Description: `Dump compresses all related files and database into zip file. It can be used for backup and capture Gitea server image to send to maintainer`,
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Action: runDump,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "file",
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Aliases: []string{"f"},
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Usage: `Name of the dump file which will be created, default to "gitea-dump-{time}.zip". Supply '-' for stdout. See type for available types.`,
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},
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&cli.BoolFlag{
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Name: "verbose",
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Aliases: []string{"V"},
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Usage: "Show process details",
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},
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&cli.BoolFlag{
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Name: "quiet",
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Aliases: []string{"q"},
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Usage: "Only display warnings and errors",
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},
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&cli.StringFlag{
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Name: "tempdir",
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Aliases: []string{"t"},
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Value: os.TempDir(),
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Usage: "Temporary dir path",
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},
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&cli.StringFlag{
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Name: "database",
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Aliases: []string{"d"},
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Usage: "Specify the database SQL syntax: sqlite3, mysql, mssql, postgres",
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},
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&cli.BoolFlag{
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Name: "skip-repository",
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Aliases: []string{"R"},
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Usage: "Skip the repository dumping",
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},
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&cli.BoolFlag{
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Name: "skip-log",
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Aliases: []string{"L"},
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Usage: "Skip the log dumping",
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},
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&cli.BoolFlag{
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Name: "skip-custom-dir",
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Usage: "Skip custom directory",
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},
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&cli.BoolFlag{
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Name: "skip-lfs-data",
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Usage: "Skip LFS data",
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},
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&cli.BoolFlag{
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Name: "skip-attachment-data",
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Usage: "Skip attachment data",
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},
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&cli.BoolFlag{
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Name: "skip-package-data",
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Usage: "Skip package data",
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},
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&cli.BoolFlag{
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Name: "skip-index",
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Usage: "Skip bleve index data",
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},
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&cli.StringFlag{
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Name: "type",
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Usage: fmt.Sprintf(`Dump output format, default to "zip", supported types: %s`, strings.Join(dump.SupportedOutputTypes, ", ")),
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},
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},
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}
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func fatal(format string, args ...any) {
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log.Fatal(format, args...)
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}
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func runDump(ctx *cli.Context) error {
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setting.MustInstalled()
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quite := ctx.Bool("quiet")
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verbose := ctx.Bool("verbose")
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if verbose && quite {
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fatal("Option --quiet and --verbose cannot both be set")
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}
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// outFileName is either "-" or a file name (will be made absolute)
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outFileName, outType := dump.PrepareFileNameAndType(ctx.String("file"), ctx.String("type"))
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if outType == "" {
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fatal("Invalid output type")
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}
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outFile := os.Stdout
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if outFileName != "-" {
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var err error
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if outFileName, err = filepath.Abs(outFileName); err != nil {
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fatal("Unable to get absolute path of dump file: %v", err)
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}
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if exist, _ := util.IsExist(outFileName); exist {
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fatal("Dump file %q exists", outFileName)
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}
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if outFile, err = os.Create(outFileName); err != nil {
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fatal("Unable to create dump file %q: %v", outFileName, err)
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}
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defer outFile.Close()
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}
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setupConsoleLogger(util.Iif(quite, log.WARN, log.INFO), log.CanColorStderr, os.Stderr)
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setting.DisableLoggerInit()
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setting.LoadSettings() // cannot access session settings otherwise
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stdCtx, cancel := installSignals()
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defer cancel()
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err := db.InitEngine(stdCtx)
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if err != nil {
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return err
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}
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if err = storage.Init(); err != nil {
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return err
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}
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archiverGeneric, err := archiver.ByExtension("." + outType)
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if err != nil {
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fatal("Unable to get archiver for extension: %v", err)
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}
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archiverWriter := archiverGeneric.(archiver.Writer)
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if err := archiverWriter.Create(outFile); err != nil {
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fatal("Creating archiver.Writer failed: %v", err)
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}
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defer archiverWriter.Close()
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dumper := &dump.Dumper{
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Writer: archiverWriter,
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Verbose: verbose,
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}
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dumper.GlobalExcludeAbsPath(outFileName)
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if ctx.IsSet("skip-repository") && ctx.Bool("skip-repository") {
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log.Info("Skip dumping local repositories")
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} else {
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log.Info("Dumping local repositories... %s", setting.RepoRootPath)
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if err := dumper.AddRecursiveExclude("repos", setting.RepoRootPath, nil); err != nil {
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fatal("Failed to include repositories: %v", err)
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}
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if ctx.IsSet("skip-lfs-data") && ctx.Bool("skip-lfs-data") {
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log.Info("Skip dumping LFS data")
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} else if !setting.LFS.StartServer {
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log.Info("LFS isn't enabled. Skip dumping LFS data")
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} else if err := storage.LFS.IterateObjects("", func(objPath string, object storage.Object) error {
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info, err := object.Stat()
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if err != nil {
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return err
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}
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return dumper.AddReader(object, info, path.Join("data", "lfs", objPath))
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}); err != nil {
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fatal("Failed to dump LFS objects: %v", err)
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}
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}
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tmpDir := ctx.String("tempdir")
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if _, err := os.Stat(tmpDir); os.IsNotExist(err) {
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fatal("Path does not exist: %s", tmpDir)
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}
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dbDump, err := os.CreateTemp(tmpDir, "gitea-db.sql")
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if err != nil {
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fatal("Failed to create tmp file: %v", err)
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}
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defer func() {
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_ = dbDump.Close()
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if err := util.Remove(dbDump.Name()); err != nil {
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log.Warn("Unable to remove temporary file: %s: Error: %v", dbDump.Name(), err)
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}
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}()
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targetDBType := ctx.String("database")
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if len(targetDBType) > 0 && targetDBType != setting.Database.Type.String() {
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log.Info("Dumping database %s => %s...", setting.Database.Type, targetDBType)
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} else {
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log.Info("Dumping database...")
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}
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if err := db.DumpDatabase(dbDump.Name(), targetDBType); err != nil {
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fatal("Failed to dump database: %v", err)
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}
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if err = dumper.AddFile("gitea-db.sql", dbDump.Name()); err != nil {
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fatal("Failed to include gitea-db.sql: %v", err)
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}
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log.Info("Adding custom configuration file from %s", setting.CustomConf)
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if err = dumper.AddFile("app.ini", setting.CustomConf); err != nil {
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fatal("Failed to include specified app.ini: %v", err)
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}
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if ctx.IsSet("skip-custom-dir") && ctx.Bool("skip-custom-dir") {
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log.Info("Skipping custom directory")
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} else {
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customDir, err := os.Stat(setting.CustomPath)
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if err == nil && customDir.IsDir() {
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if is, _ := dump.IsSubdir(setting.AppDataPath, setting.CustomPath); !is {
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if err := dumper.AddRecursiveExclude("custom", setting.CustomPath, nil); err != nil {
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fatal("Failed to include custom: %v", err)
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}
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} else {
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log.Info("Custom dir %s is inside data dir %s, skipped", setting.CustomPath, setting.AppDataPath)
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}
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} else {
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log.Info("Custom dir %s doesn't exist, skipped", setting.CustomPath)
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}
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}
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isExist, err := util.IsExist(setting.AppDataPath)
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if err != nil {
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log.Error("Unable to check if %s exists. Error: %v", setting.AppDataPath, err)
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}
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if isExist {
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log.Info("Packing data directory...%s", setting.AppDataPath)
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var excludes []string
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if setting.SessionConfig.OriginalProvider == "file" {
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var opts session.Options
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if err = json.Unmarshal([]byte(setting.SessionConfig.ProviderConfig), &opts); err != nil {
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return err
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}
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excludes = append(excludes, opts.ProviderConfig)
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}
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if ctx.IsSet("skip-index") && ctx.Bool("skip-index") {
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excludes = append(excludes, setting.Indexer.RepoPath)
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excludes = append(excludes, setting.Indexer.IssuePath)
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}
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excludes = append(excludes, setting.RepoRootPath)
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excludes = append(excludes, setting.LFS.Storage.Path)
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excludes = append(excludes, setting.Attachment.Storage.Path)
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excludes = append(excludes, setting.Packages.Storage.Path)
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excludes = append(excludes, setting.Log.RootPath)
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if err := dumper.AddRecursiveExclude("data", setting.AppDataPath, excludes); err != nil {
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fatal("Failed to include data directory: %v", err)
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}
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}
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if ctx.IsSet("skip-attachment-data") && ctx.Bool("skip-attachment-data") {
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log.Info("Skip dumping attachment data")
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} else if err := storage.Attachments.IterateObjects("", func(objPath string, object storage.Object) error {
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info, err := object.Stat()
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if err != nil {
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return err
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}
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return dumper.AddReader(object, info, path.Join("data", "attachments", objPath))
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}); err != nil {
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fatal("Failed to dump attachments: %v", err)
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}
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if ctx.IsSet("skip-package-data") && ctx.Bool("skip-package-data") {
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log.Info("Skip dumping package data")
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} else if !setting.Packages.Enabled {
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log.Info("Packages isn't enabled. Skip dumping package data")
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} else if err := storage.Packages.IterateObjects("", func(objPath string, object storage.Object) error {
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info, err := object.Stat()
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if err != nil {
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return err
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}
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return dumper.AddReader(object, info, path.Join("data", "packages", objPath))
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}); err != nil {
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fatal("Failed to dump packages: %v", err)
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}
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// Doesn't check if LogRootPath exists before processing --skip-log intentionally,
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// ensuring that it's clear the dump is skipped whether the directory's initialized
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// yet or not.
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if ctx.IsSet("skip-log") && ctx.Bool("skip-log") {
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log.Info("Skip dumping log files")
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} else {
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isExist, err := util.IsExist(setting.Log.RootPath)
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if err != nil {
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log.Error("Unable to check if %s exists. Error: %v", setting.Log.RootPath, err)
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}
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if isExist {
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if err := dumper.AddRecursiveExclude("log", setting.Log.RootPath, nil); err != nil {
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fatal("Failed to include log: %v", err)
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}
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}
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}
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if outFileName == "-" {
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log.Info("Finish dumping to stdout")
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} else {
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if err = archiverWriter.Close(); err != nil {
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_ = os.Remove(outFileName)
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fatal("Failed to save %q: %v", outFileName, err)
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}
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if err = os.Chmod(outFileName, 0o600); err != nil {
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log.Info("Can't change file access permissions mask to 0600: %v", err)
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}
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log.Info("Finish dumping in file %s", outFileName)
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}
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return nil
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}
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