Remove traces of embedded TiDB (#4906)

Fix #3357

options/locale/locale_en-US.ini

@@ -80,7 +80,7 @@ loading = Loading…
 install = Installation
 title = Initial Configuration
 docker_helper = If you run Gitea inside Docker, please read the <a target="_blank" rel="noopener noreferrer" href="%s">documentation</a> before changing any settings.
-requite_db_desc = Gitea requires MySQL, PostgreSQL, MSSQL, SQLite3 or TiDB.
+requite_db_desc = Gitea requires MySQL, PostgreSQL, MSSQL, or SQLite3.
 db_title = Database Settings
 db_type = Database Type
 host = Host
@@ -90,9 +90,8 @@ db_name = Database Name
 db_helper = Note to MySQL users: please use the InnoDB storage engine and the 'utf8_general_ci' character set.
 ssl_mode = SSL
 path = Path
-sqlite_helper = File path for the SQLite3 or TiDB database.<br>Enter an absolute path if you run Gitea as a service.
-err_empty_db_path = The SQLite3 or TiDB database path cannot be empty.
-err_invalid_tidb_name = The TiDB database name cannot contain the '.' and '-' characters.
+sqlite_helper = File path for the SQLite3 database.<br>Enter an absolute path if you run Gitea as a service.
+err_empty_db_path = The SQLite3 database path cannot be empty.
 no_admin_and_disable_registration = You cannot disable user self-registration without creating an administrator account.
 err_empty_admin_password = The administrator password cannot be empty.
 

routers/install.go

@@ -8,7 +8,6 @@ import (
 	"errors"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
 	"strings"
 
@@ -45,9 +44,6 @@ func InstallInit(ctx *context.Context) {
 	if models.EnableSQLite3 {
 		dbOpts = append(dbOpts, "SQLite3")
 	}
-	if models.EnableTiDB {
-		dbOpts = append(dbOpts, "TiDB")
-	}
 	ctx.Data["DbOptions"] = dbOpts
 }
 
@@ -72,10 +68,6 @@ func Install(ctx *context.Context) {
 		if models.EnableSQLite3 {
 			ctx.Data["CurDbOption"] = "SQLite3"
 		}
-	case "tidb":
-		if models.EnableTiDB {
-			ctx.Data["CurDbOption"] = "TiDB"
-		}
 	}
 
 	// Application general settings
@@ -151,7 +143,7 @@ func InstallPost(ctx *context.Context, form auth.InstallForm) {
 
 	// Pass basic check, now test configuration.
 	// Test database setting.
-	dbTypes := map[string]string{"MySQL": "mysql", "PostgreSQL": "postgres", "MSSQL": "mssql", "SQLite3": "sqlite3", "TiDB": "tidb"}
+	dbTypes := map[string]string{"MySQL": "mysql", "PostgreSQL": "postgres", "MSSQL": "mssql", "SQLite3": "sqlite3"}
 	models.DbCfg.Type = dbTypes[form.DbType]
 	models.DbCfg.Host = form.DbHost
 	models.DbCfg.User = form.DbUser
@@ -160,16 +152,11 @@ func InstallPost(ctx *context.Context, form auth.InstallForm) {
 	models.DbCfg.SSLMode = form.SSLMode
 	models.DbCfg.Path = form.DbPath
 
-	if (models.DbCfg.Type == "sqlite3" || models.DbCfg.Type == "tidb") &&
+	if (models.DbCfg.Type == "sqlite3") &&
 		len(models.DbCfg.Path) == 0 {
 		ctx.Data["Err_DbPath"] = true
 		ctx.RenderWithErr(ctx.Tr("install.err_empty_db_path"), tplInstall, &form)
 		return
-	} else if models.DbCfg.Type == "tidb" &&
-		strings.ContainsAny(path.Base(models.DbCfg.Path), ".-") {
-		ctx.Data["Err_DbPath"] = true
-		ctx.RenderWithErr(ctx.Tr("install.err_invalid_tidb_name"), tplInstall, &form)
-		return
 	}
 
 	// Set test engine.