support custom file name in `gitea dump` command (#6474)

* support custom file name in `gitea dump` command

* simpler approach to handle default dump file name
in `gitea dump` command

cmd/dump.go

@@ -35,6 +35,11 @@ It can be used for backup and capture Gitea server image to send to maintainer`,
 			Value: "custom/conf/app.ini",
 			Usage: "Custom configuration file path",
 		},
+		cli.StringFlag{
+			Name:  "file, f",
+			Value: fmt.Sprintf("gitea-dump-%d.zip", time.Now().Unix()),
+			Usage: "Name of the dump file which will be created.",
+		},
 		cli.BoolFlag{
 			Name:  "verbose, v",
 			Usage: "Show process details",
@@ -85,7 +90,7 @@ func runDump(ctx *cli.Context) error {
 
 	dbDump := path.Join(tmpWorkDir, "gitea-db.sql")
 
-	fileName := fmt.Sprintf("gitea-dump-%d.zip", time.Now().Unix())
+	fileName := ctx.String("file")
 	log.Printf("Packing dump files...")
 	z, err := zip.Create(fileName)
 	if err != nil {

docs/content/doc/usage/command-line.md

@@ -148,6 +148,7 @@ in the current directory.
 
 - Options:
     - `--config path`, `-c path`: Gitea configuration file path. Optional. (default: custom/conf/app.ini).
+    - `--file name`, `-f name`: Name of the dump file with will be created. Optional. (default: gitea-dump-[timestamp].zip).
     - `--tempdir path`, `-t path`: Path to the temporary directory used. Optional. (default: /tmp).
     - `--skip-repository`, `-R`: Skip the repository dumping. Optional.
     - `--database`, `-d`: Specify the database SQL syntax. Optional.