1 files changed, 137 insertions, 0 deletions
diff --git a/internal/cmd/backup.go b/internal/cmd/backup.go
new file mode 100644
index 00000000..e918d486
--- /dev/null
+++ b/internal/cmd/backup.go
@@ -0,0 +1,137 @@
+// Copyright 2017 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"time"
+
+	"github.com/unknwon/cae/zip"
+	"github.com/unknwon/com"
+	"github.com/urfave/cli"
+	log "gopkg.in/clog.v1"
+	"gopkg.in/ini.v1"
+
+	"gogs.io/gogs/internal/db"
+	"gogs.io/gogs/internal/setting"
+)
+
+var Backup = cli.Command{
+	Name:  "backup",
+	Usage: "Backup files and database",
+	Description: `Backup dumps and compresses all related files and database into zip file,
+which can be used for migrating Gogs to another server. The output format is meant to be
+portable among all supported database engines.`,
+	Action: runBackup,
+	Flags: []cli.Flag{
+		stringFlag("config, c", "custom/conf/app.ini", "Custom configuration file path"),
+		boolFlag("verbose, v", "Show process details"),
+		stringFlag("tempdir, t", os.TempDir(), "Temporary directory path"),
+		stringFlag("target", "./", "Target directory path to save backup archive"),
+		stringFlag("archive-name", fmt.Sprintf("gogs-backup-%s.zip", time.Now().Format("20060102150405")), "Name of backup archive"),
+		boolFlag("database-only", "Only dump database"),
+		boolFlag("exclude-repos", "Exclude repositories"),
+	},
+}
+
+const _CURRENT_BACKUP_FORMAT_VERSION = 1
+const _ARCHIVE_ROOT_DIR = "gogs-backup"
+
+func runBackup(c *cli.Context) error {
+	zip.Verbose = c.Bool("verbose")
+	if c.IsSet("config") {
+		setting.CustomConf = c.String("config")
+	}
+	setting.NewContext()
+	db.LoadConfigs()
+	db.SetEngine()
+
+	tmpDir := c.String("tempdir")
+	if !com.IsExist(tmpDir) {
+		log.Fatal(0, "'--tempdir' does not exist: %s", tmpDir)
+	}
+	rootDir, err := ioutil.TempDir(tmpDir, "gogs-backup-")
+	if err != nil {
+		log.Fatal(0, "Fail to create backup root directory '%s': %v", rootDir, err)
+	}
+	log.Info("Backup root directory: %s", rootDir)
+
+	// Metadata
+	metaFile := path.Join(rootDir, "metadata.ini")
+	metadata := ini.Empty()
+	metadata.Section("").Key("VERSION").SetValue(com.ToStr(_CURRENT_BACKUP_FORMAT_VERSION))
+	metadata.Section("").Key("DATE_TIME").SetValue(time.Now().String())
+	metadata.Section("").Key("GOGS_VERSION").SetValue(setting.AppVer)
+	if err = metadata.SaveTo(metaFile); err != nil {
+		log.Fatal(0, "Fail to save metadata '%s': %v", metaFile, err)
+	}
+
+	archiveName := path.Join(c.String("target"), c.String("archive-name"))
+	log.Info("Packing backup files to: %s", archiveName)
+
+	z, err := zip.Create(archiveName)
+	if err != nil {
+		log.Fatal(0, "Fail to create backup archive '%s': %v", archiveName, err)
+	}
+	if err = z.AddFile(_ARCHIVE_ROOT_DIR+"/metadata.ini", metaFile); err != nil {
+		log.Fatal(0, "Fail to include 'metadata.ini': %v", err)
+	}
+
+	// Database
+	dbDir := path.Join(rootDir, "db")
+	if err = db.DumpDatabase(dbDir); err != nil {
+		log.Fatal(0, "Fail to dump database: %v", err)
+	}
+	if err = z.AddDir(_ARCHIVE_ROOT_DIR+"/db", dbDir); err != nil {
+		log.Fatal(0, "Fail to include 'db': %v", err)
+	}
+
+	// Custom files
+	if !c.Bool("database-only") {
+		if err = z.AddDir(_ARCHIVE_ROOT_DIR+"/custom", setting.CustomPath); err != nil {
+			log.Fatal(0, "Fail to include 'custom': %v", err)
+		}
+	}
+
+	// Data files
+	if !c.Bool("database-only") {
+		for _, dir := range []string{"attachments", "avatars", "repo-avatars"} {
+			dirPath := path.Join(setting.AppDataPath, dir)
+			if !com.IsDir(dirPath) {
+				continue
+			}
+
+			if err = z.AddDir(path.Join(_ARCHIVE_ROOT_DIR+"/data", dir), dirPath); err != nil {
+				log.Fatal(0, "Fail to include 'data': %v", err)
+			}
+		}
+	}
+
+	// Repositories
+	if !c.Bool("exclude-repos") && !c.Bool("database-only") {
+		reposDump := path.Join(rootDir, "repositories.zip")
+		log.Info("Dumping repositories in '%s'", setting.RepoRootPath)
+		if err = zip.PackTo(setting.RepoRootPath, reposDump, true); err != nil {
+			log.Fatal(0, "Fail to dump repositories: %v", err)
+		}
+		log.Info("Repositories dumped to: %s", reposDump)
+
+		if err = z.AddFile(_ARCHIVE_ROOT_DIR+"/repositories.zip", reposDump); err != nil {
+			log.Fatal(0, "Fail to include 'repositories.zip': %v", err)
+		}
+	}
+
+	if err = z.Close(); err != nil {
+		log.Fatal(0, "Fail to save backup archive '%s': %v", archiveName, err)
+	}
+
+	os.RemoveAll(rootDir)
+	log.Info("Backup succeed! Archive is located at: %s", archiveName)
+	log.Shutdown()
+	return nil
+}