Remove migration support from versions earlier than 1.6.0 (#10026)

* Remove migration support from versions earlier than 1.6.0

* Remove unused functions

* Update gogs upgrade instructions

* Improve "latest" link as per @jolheiser

Co-authored-by: Antoine GIRARD <sapk@users.noreply.github.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

1 files changed, 0 insertions, 45 deletions

diff --git a/models/migrations/v61.go b/models/migrations/v61.go
deleted file mode 100644
index 13affaf068..0000000000
--- a/models/migrations/v61.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2018 The Gitea 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 migrations
-
-import (
-	"fmt"
-	"os"
-	"path"
-
-	"code.gitea.io/gitea/modules/log"
-	"code.gitea.io/gitea/modules/setting"
-
-	"xorm.io/xorm"
-)
-
-func addSizeToAttachment(x *xorm.Engine) error {
-	type Attachment struct {
-		ID   int64  `xorm:"pk autoincr"`
-		UUID string `xorm:"uuid UNIQUE"`
-		Size int64  `xorm:"DEFAULT 0"`
-	}
-	if err := x.Sync2(new(Attachment)); err != nil {
-		return fmt.Errorf("Sync2: %v", err)
-	}
-
-	attachments := make([]Attachment, 0, 100)
-	if err := x.Find(&attachments); err != nil {
-		return fmt.Errorf("query attachments: %v", err)
-	}
-	for _, attach := range attachments {
-		localPath := path.Join(setting.AttachmentPath, attach.UUID[0:1], attach.UUID[1:2], attach.UUID)
-		fi, err := os.Stat(localPath)
-		if err != nil {
-			log.Error("calculate file size of attachment[UUID: %s]: %v", attach.UUID, err)
-			continue
-		}
-		attach.Size = fi.Size()
-		if _, err := x.ID(attach.ID).Cols("size").Update(attach); err != nil {
-			return fmt.Errorf("update size column: %v", err)
-		}
-	}
-	return nil
-}