1 files changed, 140 insertions, 0 deletions
diff --git a/models/migrations/v156.go b/models/migrations/v156.go
new file mode 100644
index 0000000000..dc9c20188d
--- /dev/null
+++ b/models/migrations/v156.go
@@ -0,0 +1,140 @@
+// Copyright 2020 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"
+	"path/filepath"
+	"strings"
+
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/setting"
+
+	"xorm.io/xorm"
+)
+
+// Copy paste from models/repo.go because we cannot import models package
+func repoPath(userName, repoName string) string {
+	return filepath.Join(userPath(userName), strings.ToLower(repoName)+".git")
+}
+
+func userPath(userName string) string {
+	return filepath.Join(setting.RepoRootPath, strings.ToLower(userName))
+}
+
+func fixPublisherIDforTagReleases(x *xorm.Engine) error {
+
+	type Release struct {
+		ID          int64
+		RepoID      int64
+		Sha1        string
+		TagName     string
+		PublisherID int64
+	}
+
+	type Repository struct {
+		ID      int64
+		OwnerID int64
+		Name    string
+	}
+
+	type User struct {
+		ID    int64
+		Name  string
+		Email string
+	}
+
+	const batchSize = 100
+	sess := x.NewSession()
+	defer sess.Close()
+
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	var (
+		gitRepoCache = make(map[int64]*git.Repository)
+		gitRepo      *git.Repository
+		repoCache    = make(map[int64]*Repository)
+		userCache    = make(map[int64]*User)
+		ok           bool
+		err          error
+	)
+	defer func() {
+		for i := range gitRepoCache {
+			gitRepoCache[i].Close()
+		}
+	}()
+	for start := 0; ; start += batchSize {
+		releases := make([]*Release, 0, batchSize)
+
+		if err := sess.Limit(batchSize, start).Asc("id").Where("is_tag=?", true).Find(&releases); err != nil {
+			return err
+		}
+
+		if len(releases) == 0 {
+			break
+		}
+
+		for _, release := range releases {
+			gitRepo, ok = gitRepoCache[release.RepoID]
+			if !ok {
+				repo, ok := repoCache[release.RepoID]
+				if !ok {
+					repo = new(Repository)
+					has, err := sess.ID(release.RepoID).Get(repo)
+					if err != nil {
+						return err
+					} else if !has {
+						return fmt.Errorf("Repository %d is not exist", release.RepoID)
+					}
+
+					repoCache[release.RepoID] = repo
+				}
+
+				user, ok := userCache[repo.OwnerID]
+				if !ok {
+					user = new(User)
+					has, err := sess.ID(repo.OwnerID).Get(user)
+					if err != nil {
+						return err
+					} else if !has {
+						return fmt.Errorf("User %d is not exist", repo.OwnerID)
+					}
+
+					userCache[repo.OwnerID] = user
+				}
+
+				gitRepo, err = git.OpenRepository(repoPath(user.Name, repo.Name))
+				if err != nil {
+					return err
+				}
+				gitRepoCache[release.RepoID] = gitRepo
+			}
+
+			commit, err := gitRepo.GetTagCommit(release.TagName)
+			if err != nil {
+				return fmt.Errorf("GetTagCommit: %v", err)
+			}
+
+			u := new(User)
+			exists, err := sess.Where("email=?", commit.Author.Email).Get(u)
+			if err != nil {
+				return err
+			}
+
+			if !exists {
+				continue
+			}
+
+			release.PublisherID = u.ID
+			if _, err := sess.ID(release.ID).Cols("publisher_id").Update(release); err != nil {
+				return err
+			}
+		}
+	}
+
+	return sess.Commit()
+}