forgejo/models/migrations/v1_22/v286.go
Adam Majer d68a613ba8
Add support for sha256 repositories ()
Currently only SHA1 repositories are supported by Gitea. This adds
support for alternate SHA256 with the additional aim of easier support
for additional hash types in the future.

Fixes: 
Limited by: https://github.com/go-git/go-git/issues/899
Depend on: 

<img width="776" alt="图片" src="https://github.com/go-gitea/gitea/assets/81045/5448c9a7-608e-4341-a149-5dd0069c9447">

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
2024-01-19 17:05:02 +01:00

104 lines
3 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_22 //nolint
import (
"errors"
"fmt"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func expandHashReferencesToSha256(x *xorm.Engine) error {
alteredTables := [][2]string{
{"commit_status", "context_hash"},
{"comment", "commit_sha"},
{"pull_request", "merge_base"},
{"pull_request", "merged_commit_id"},
{"review", "commit_id"},
{"review_state", "commit_sha"},
{"repo_archiver", "commit_id"},
{"release", "sha1"},
{"repo_indexer_status", "commit_sha"},
}
db := x.NewSession()
defer db.Close()
if err := db.Begin(); err != nil {
return err
}
if !setting.Database.Type.IsSQLite3() {
if setting.Database.Type.IsMSSQL() {
// drop indexes that need to be re-created afterwards
droppedIndexes := []string{
"DROP INDEX commit_status.IDX_commit_status_context_hash",
"DROP INDEX review_state.UQE_review_state_pull_commit_user",
"DROP INDEX repo_archiver.UQE_repo_archiver_s",
}
for _, s := range droppedIndexes {
_, err := db.Exec(s)
if err != nil {
return errors.New(s + " " + err.Error())
}
}
}
for _, alts := range alteredTables {
var err error
if setting.Database.Type.IsMySQL() {
_, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` MODIFY COLUMN `%s` VARCHAR(64)", alts[0], alts[1]))
} else if setting.Database.Type.IsMSSQL() {
_, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` ALTER COLUMN `%s` VARCHAR(64)", alts[0], alts[1]))
} else {
_, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` ALTER COLUMN `%s` TYPE VARCHAR(64)", alts[0], alts[1]))
}
if err != nil {
return fmt.Errorf("alter column '%s' of table '%s' failed: %w", alts[1], alts[0], err)
}
}
if setting.Database.Type.IsMSSQL() {
recreateIndexes := []string{
"CREATE INDEX IDX_commit_status_context_hash ON commit_status(context_hash)",
"CREATE UNIQUE INDEX UQE_review_state_pull_commit_user ON review_state(user_id, pull_id, commit_sha)",
"CREATE UNIQUE INDEX UQE_repo_archiver_s ON repo_archiver(repo_id, type, commit_id)",
}
for _, s := range recreateIndexes {
_, err := db.Exec(s)
if err != nil {
return errors.New(s + " " + err.Error())
}
}
}
}
log.Debug("Updated database tables to hold SHA256 git hash references")
return db.Commit()
}
func addObjectFormatNameToRepository(x *xorm.Engine) error {
type Repository struct {
ObjectFormatName string `xorm:"VARCHAR(6) NOT NULL DEFAULT 'sha1'"`
}
if err := x.Sync(new(Repository)); err != nil {
return err
}
// Here to catch weird edge-cases where column constraints above are
// not applied by the DB backend
_, err := x.Exec("UPDATE repository set object_format_name = 'sha1' WHERE object_format_name = '' or object_format_name IS NULL")
return err
}
func AdjustDBForSha256(x *xorm.Engine) error {
if err := expandHashReferencesToSha256(x); err != nil {
return err
}
return addObjectFormatNameToRepository(x)
}