Add --skip-db option to dump cmd

cmd/dump.go

@@ -87,6 +87,10 @@ var CmdDump = &cli.Command{
 			Name:  "skip-index",
 			Usage: "Skip bleve index data",
 		},
+		&cli.BoolFlag{
+			Name:  "skip-db",
+			Usage: "Skip database",
+		},
 		&cli.StringFlag{
 			Name:  "type",
 			Usage: fmt.Sprintf(`Dump output format, default to "zip", supported types: %s`, strings.Join(dump.SupportedOutputTypes, ", ")),
@@ -185,6 +189,11 @@ func runDump(ctx *cli.Context) error {
 		}
 	}
 
+	if ctx.Bool("skip-db") {
+		// Ensure that we don't dump the database file that may reside in setting.AppDataPath or elsewhere.
+		dumper.GlobalExcludeAbsPath(setting.Database.Path)
+		log.Info("Skipping database")
+	} else {
 		tmpDir := ctx.String("tempdir")
 		if _, err := os.Stat(tmpDir); os.IsNotExist(err) {
 			fatal("Path does not exist: %s", tmpDir)
@@ -215,6 +224,7 @@ func runDump(ctx *cli.Context) error {
 		if err = dumper.AddFile("gitea-db.sql", dbDump.Name()); err != nil {
 			fatal("Failed to include gitea-db.sql: %v", err)
 		}
+	}
 
 	log.Info("Adding custom configuration file from %s", setting.CustomConf)
 	if err = dumper.AddFile("app.ini", setting.CustomConf); err != nil {