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