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When transfering repository and database transaction failed, rollback the renames (#14864) (#14902) 

Fix #14821

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
6543 2021-03-06 04:12:11 +01:00 committed by GitHub
parent 7d3e174906
commit 74dc22358b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 42 additions and 6 deletions
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48
models/repo.go
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@ -1290,11 +1290,44 @@ func IncrementRepoForkNum(ctx DBContext, repoID int64) error {
}
// TransferOwnership transfers all corresponding setting from old user to new one.
func TransferOwnership(doer *User, newOwnerName string, repo *Repository) error {
func TransferOwnership(doer *User, newOwnerName string, repo *Repository) (err error) {
repoRenamed := false
wikiRenamed := false
oldOwnerName := doer.Name
defer func() {
if !repoRenamed && !wikiRenamed {
return
}
recoverErr := recover()
if err == nil && recoverErr == nil {
return
}
if repoRenamed {
if err := os.Rename(RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name)); err != nil {
log.Critical("Unable to move repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name, RepoPath(newOwnerName, repo.Name), RepoPath(oldOwnerName, repo.Name), err)
}
}
if wikiRenamed {
if err := os.Rename(WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name)); err != nil {
log.Critical("Unable to move wiki for repository %s/%s directory from %s back to correct place %s: %v", oldOwnerName, repo.Name, WikiPath(newOwnerName, repo.Name), WikiPath(oldOwnerName, repo.Name), err)
}
}
if recoverErr != nil {
log.Error("Panic within TransferOwnership: %v\n%s", recoverErr, log.Stack(2))
panic(recoverErr)
}
}()
newOwner, err := GetUserByName(newOwnerName)
if err != nil {
return fmt.Errorf("get new owner '%s': %v", newOwnerName, err)
}
newOwnerName = newOwner.Name // ensure capitalisation matches
// Check if new owner has repository with same name.
has, err := IsRepositoryExist(newOwner, repo.Name)
@ -1311,6 +1344,7 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) error
}
oldOwner := repo.Owner
oldOwnerName = oldOwner.Name
// Note: we have to set value here to make sure recalculate accesses is based on
// new owner.
@ -1370,9 +1404,9 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) error
}
// Update repository count.
if _, err = sess.Exec("UPDATE `user` SET num_repos=num_repos+1 WHERE id=?", newOwner.ID); err != nil {
if _, err := sess.Exec("UPDATE `user` SET num_repos=num_repos+1 WHERE id=?", newOwner.ID); err != nil {
return fmt.Errorf("increase new owner repository count: %v", err)
} else if _, err = sess.Exec("UPDATE `user` SET num_repos=num_repos-1 WHERE id=?", oldOwner.ID); err != nil {
} else if _, err := sess.Exec("UPDATE `user` SET num_repos=num_repos-1 WHERE id=?", oldOwner.ID); err != nil {
return fmt.Errorf("decrease old owner repository count: %v", err)
}
@ -1382,7 +1416,7 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) error
// Remove watch for organization.
if oldOwner.IsOrganization() {
if err = watchRepo(sess, oldOwner.ID, repo.ID, false); err != nil {
if err := watchRepo(sess, oldOwner.ID, repo.ID, false); err != nil {
return fmt.Errorf("watchRepo [false]: %v", err)
}
}
@ -1394,16 +1428,18 @@ func TransferOwnership(doer *User, newOwnerName string, repo *Repository) error
return fmt.Errorf("Failed to create dir %s: %v", dir, err)
}
if err = os.Rename(RepoPath(oldOwner.Name, repo.Name), RepoPath(newOwner.Name, repo.Name)); err != nil {
if err := os.Rename(RepoPath(oldOwner.Name, repo.Name), RepoPath(newOwner.Name, repo.Name)); err != nil {
return fmt.Errorf("rename repository directory: %v", err)
}
repoRenamed = true
// Rename remote wiki repository to new path and delete local copy.
wikiPath := WikiPath(oldOwner.Name, repo.Name)
if com.IsExist(wikiPath) {
if err = os.Rename(wikiPath, WikiPath(newOwner.Name, repo.Name)); err != nil {
if err := os.Rename(wikiPath, WikiPath(newOwner.Name, repo.Name)); err != nil {
return fmt.Errorf("rename repository wiki: %v", err)
}
wikiRenamed = true
}
// If there was previously a redirect at this location, remove it.