393 lines
13 KiB
Go
393 lines
13 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"fmt"
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"regexp"
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"strings"
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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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const minDBVersion = 70 // Gitea 1.5.3
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// Migration describes on migration from lower version to high version
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type Migration interface {
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Description() string
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Migrate(*xorm.Engine) error
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}
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type migration struct {
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description string
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migrate func(*xorm.Engine) error
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}
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// NewMigration creates a new migration
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func NewMigration(desc string, fn func(*xorm.Engine) error) Migration {
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return &migration{desc, fn}
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}
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// Description returns the migration's description
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func (m *migration) Description() string {
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return m.description
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}
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// Migrate executes the migration
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func (m *migration) Migrate(x *xorm.Engine) error {
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return m.migrate(x)
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}
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// Version describes the version table. Should have only one row with id==1
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type Version struct {
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ID int64 `xorm:"pk autoincr"`
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Version int64
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}
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// This is a sequence of migrations. Add new migrations to the bottom of the list.
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// If you want to "retire" a migration, remove it from the top of the list and
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// update minDBVersion accordingly
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var migrations = []Migration{
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// Gitea 1.5.3 ends at v70
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// v70 -> v71
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NewMigration("add issue_dependencies", addIssueDependencies),
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// v71 -> v72
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NewMigration("protect each scratch token", addScratchHash),
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// v72 -> v73
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NewMigration("add review", addReview),
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// Gitea 1.6.4 ends at v73
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// v73 -> v74
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NewMigration("add must_change_password column for users table", addMustChangePassword),
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// v74 -> v75
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NewMigration("add approval whitelists to protected branches", addApprovalWhitelistsToProtectedBranches),
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// v75 -> v76
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NewMigration("clear nonused data which not deleted when user was deleted", clearNonusedData),
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// Gitea 1.7.6 ends at v76
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// v76 -> v77
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NewMigration("add pull request rebase with merge commit", addPullRequestRebaseWithMerge),
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// v77 -> v78
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NewMigration("add theme to users", addUserDefaultTheme),
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// v78 -> v79
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NewMigration("rename repo is_bare to repo is_empty", renameRepoIsBareToIsEmpty),
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// v79 -> v80
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NewMigration("add can close issues via commit in any branch", addCanCloseIssuesViaCommitInAnyBranch),
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// v80 -> v81
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NewMigration("add is locked to issues", addIsLockedToIssues),
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// v81 -> v82
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NewMigration("update U2F counter type", changeU2FCounterType),
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// Gitea 1.8.3 ends at v82
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// v82 -> v83
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NewMigration("hot fix for wrong release sha1 on release table", fixReleaseSha1OnReleaseTable),
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// v83 -> v84
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NewMigration("add uploader id for table attachment", addUploaderIDForAttachment),
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// v84 -> v85
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NewMigration("add table to store original imported gpg keys", addGPGKeyImport),
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// v85 -> v86
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NewMigration("hash application token", hashAppToken),
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// v86 -> v87
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NewMigration("add http method to webhook", addHTTPMethodToWebhook),
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// v87 -> v88
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NewMigration("add avatar field to repository", addAvatarFieldToRepository),
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// Gitea 1.9.6 ends at v88
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// v88 -> v89
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NewMigration("add commit status context field to commit_status", addCommitStatusContext),
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// v89 -> v90
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NewMigration("add original author/url migration info to issues, comments, and repo ", addOriginalMigrationInfo),
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// v90 -> v91
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NewMigration("change length of some repository columns", changeSomeColumnsLengthOfRepo),
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// v91 -> v92
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NewMigration("add index on owner_id of repository and type, review_id of comment", addIndexOnRepositoryAndComment),
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// v92 -> v93
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NewMigration("remove orphaned repository index statuses", removeLingeringIndexStatus),
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// v93 -> v94
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NewMigration("add email notification enabled preference to user", addEmailNotificationEnabledToUser),
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// v94 -> v95
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NewMigration("add enable_status_check, status_check_contexts to protected_branch", addStatusCheckColumnsForProtectedBranches),
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// v95 -> v96
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NewMigration("add table columns for cross referencing issues", addCrossReferenceColumns),
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// v96 -> v97
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NewMigration("delete orphaned attachments", deleteOrphanedAttachments),
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// v97 -> v98
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NewMigration("add repo_admin_change_team_access to user", addRepoAdminChangeTeamAccessColumnForUser),
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// v98 -> v99
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NewMigration("add original author name and id on migrated release", addOriginalAuthorOnMigratedReleases),
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// Gitea 1.10.3 ends at v99
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// v99 -> v100
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NewMigration("add task table and status column for repository table", addTaskTable),
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// v100 -> v101
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NewMigration("update migration repositories' service type", updateMigrationServiceTypes),
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// v101 -> v102
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NewMigration("change length of some external login users columns", changeSomeColumnsLengthOfExternalLoginUser),
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// v102 -> v103
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NewMigration("update migration repositories' service type", dropColumnHeadUserNameOnPullRequest),
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// v103 -> v104
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NewMigration("Add WhitelistDeployKeys to protected branch", addWhitelistDeployKeysToBranches),
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// v104 -> v105
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NewMigration("remove unnecessary columns from label", removeLabelUneededCols),
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// v105 -> v106
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NewMigration("add includes_all_repositories to teams", addTeamIncludesAllRepositories),
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// v106 -> v107
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NewMigration("add column `mode` to table watch", addModeColumnToWatch),
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// v107 -> v108
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NewMigration("Add template options to repository", addTemplateToRepo),
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// v108 -> v109
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NewMigration("Add comment_id on table notification", addCommentIDOnNotification),
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// v109 -> v110
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NewMigration("add can_create_org_repo to team", addCanCreateOrgRepoColumnForTeam),
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// v110 -> v111
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NewMigration("change review content type to text", changeReviewContentToText),
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// v111 -> v112
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NewMigration("update branch protection for can push and whitelist enable", addBranchProtectionCanPushAndEnableWhitelist),
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// v112 -> v113
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NewMigration("remove release attachments which repository deleted", removeAttachmentMissedRepo),
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// v113 -> v114
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NewMigration("new feature: change target branch of pull requests", featureChangeTargetBranch),
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// v114 -> v115
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NewMigration("Remove authentication credentials from stored URL", sanitizeOriginalURL),
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// v115 -> v116
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NewMigration("add user_id prefix to existing user avatar name", renameExistingUserAvatarName),
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// v116 -> v117
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NewMigration("Extend TrackedTimes", extendTrackedTimes),
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// v117 -> v118
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NewMigration("Add block on rejected reviews branch protection", addBlockOnRejectedReviews),
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// v118 -> v119
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NewMigration("Add commit id and stale to reviews", addReviewCommitAndStale),
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// v119 -> v120
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NewMigration("Fix migrated repositories' git service type", fixMigratedRepositoryServiceType),
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// v120 -> v121
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NewMigration("Add owner_name on table repository", addOwnerNameOnRepository),
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// v121 -> v122
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NewMigration("add is_restricted column for users table", addIsRestricted),
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// v122 -> v123
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NewMigration("Add Require Signed Commits to ProtectedBranch", addRequireSignedCommits),
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// v123 -> v124
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NewMigration("Add original informations for reactions", addReactionOriginals),
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// v124 -> v125
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NewMigration("Add columns to user and repository", addUserRepoMissingColumns),
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// v125 -> v126
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NewMigration("Add some columns on review for migration", addReviewMigrateInfo),
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// v126 -> v127
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NewMigration("Fix topic repository count", fixTopicRepositoryCount),
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}
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// Migrate database to current version
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func Migrate(x *xorm.Engine) error {
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if err := x.Sync(new(Version)); err != nil {
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return fmt.Errorf("sync: %v", err)
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}
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currentVersion := &Version{ID: 1}
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has, err := x.Get(currentVersion)
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if err != nil {
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return fmt.Errorf("get: %v", err)
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} else if !has {
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// If the version record does not exist we think
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// it is a fresh installation and we can skip all migrations.
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currentVersion.ID = 0
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currentVersion.Version = int64(minDBVersion + len(migrations))
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if _, err = x.InsertOne(currentVersion); err != nil {
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return fmt.Errorf("insert: %v", err)
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}
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}
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v := currentVersion.Version
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if minDBVersion > v {
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log.Fatal(`Gitea no longer supports auto-migration from your previously installed version.
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Please try upgrading to a lower version first (suggested v1.6.4), then upgrade to this version.`)
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return nil
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}
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if int(v-minDBVersion) > len(migrations) {
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// User downgraded Gitea.
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currentVersion.Version = int64(len(migrations) + minDBVersion)
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_, err = x.ID(1).Update(currentVersion)
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return err
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}
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for i, m := range migrations[v-minDBVersion:] {
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log.Info("Migration[%d]: %s", v+int64(i), m.Description())
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if err = m.Migrate(x); err != nil {
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return fmt.Errorf("do migrate: %v", err)
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}
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currentVersion.Version = v + int64(i) + 1
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if _, err = x.ID(1).Update(currentVersion); err != nil {
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return err
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}
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}
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return nil
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}
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func dropTableColumns(sess *xorm.Session, tableName string, columnNames ...string) (err error) {
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if tableName == "" || len(columnNames) == 0 {
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return nil
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}
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// TODO: This will not work if there are foreign keys
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switch {
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case setting.Database.UseSQLite3:
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// First drop the indexes on the columns
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res, errIndex := sess.Query(fmt.Sprintf("PRAGMA index_list(`%s`)", tableName))
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if errIndex != nil {
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return errIndex
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}
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for _, row := range res {
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indexName := row["name"]
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indexRes, err := sess.Query(fmt.Sprintf("PRAGMA index_info(`%s`)", indexName))
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if err != nil {
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return err
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}
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if len(indexRes) != 1 {
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continue
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}
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indexColumn := string(indexRes[0]["name"])
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for _, name := range columnNames {
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if name == indexColumn {
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_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s`", indexName))
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if err != nil {
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return err
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}
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}
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}
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}
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// Here we need to get the columns from the original table
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sql := fmt.Sprintf("SELECT sql FROM sqlite_master WHERE tbl_name='%s' and type='table'", tableName)
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res, err := sess.Query(sql)
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if err != nil {
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return err
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}
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tableSQL := string(res[0]["sql"])
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// Separate out the column definitions
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tableSQL = tableSQL[strings.Index(tableSQL, "("):]
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// Remove the required columnNames
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for _, name := range columnNames {
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tableSQL = regexp.MustCompile(regexp.QuoteMeta("`"+name+"`")+"[^`,)]*?[,)]").ReplaceAllString(tableSQL, "")
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}
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// Ensure the query is ended properly
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tableSQL = strings.TrimSpace(tableSQL)
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if tableSQL[len(tableSQL)-1] != ')' {
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if tableSQL[len(tableSQL)-1] == ',' {
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tableSQL = tableSQL[:len(tableSQL)-1]
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}
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tableSQL += ")"
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}
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// Find all the columns in the table
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columns := regexp.MustCompile("`([^`]*)`").FindAllString(tableSQL, -1)
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tableSQL = fmt.Sprintf("CREATE TABLE `new_%s_new` ", tableName) + tableSQL
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if _, err := sess.Exec(tableSQL); err != nil {
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return err
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}
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// Now restore the data
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columnsSeparated := strings.Join(columns, ",")
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insertSQL := fmt.Sprintf("INSERT INTO `new_%s_new` (%s) SELECT %s FROM %s", tableName, columnsSeparated, columnsSeparated, tableName)
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if _, err := sess.Exec(insertSQL); err != nil {
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return err
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}
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// Now drop the old table
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if _, err := sess.Exec(fmt.Sprintf("DROP TABLE `%s`", tableName)); err != nil {
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return err
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}
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// Rename the table
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `new_%s_new` RENAME TO `%s`", tableName, tableName)); err != nil {
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return err
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}
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case setting.Database.UsePostgreSQL:
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cols := ""
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for _, col := range columnNames {
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if cols != "" {
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cols += ", "
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}
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cols += "DROP COLUMN `" + col + "` CASCADE"
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}
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
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return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
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}
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case setting.Database.UseMySQL:
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// Drop indexes on columns first
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sql := fmt.Sprintf("SHOW INDEX FROM %s WHERE column_name IN ('%s')", tableName, strings.Join(columnNames, "','"))
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res, err := sess.Query(sql)
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if err != nil {
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return err
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}
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for _, index := range res {
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indexName := index["column_name"]
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if len(indexName) > 0 {
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_, err := sess.Exec(fmt.Sprintf("DROP INDEX `%s` ON `%s`", indexName, tableName))
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if err != nil {
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return err
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}
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}
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}
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// Now drop the columns
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cols := ""
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for _, col := range columnNames {
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if cols != "" {
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cols += ", "
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}
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cols += "DROP COLUMN `" + col + "`"
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}
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` %s", tableName, cols)); err != nil {
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return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
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}
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case setting.Database.UseMSSQL:
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cols := ""
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for _, col := range columnNames {
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if cols != "" {
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cols += ", "
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}
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cols += "`" + strings.ToLower(col) + "`"
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}
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sql := fmt.Sprintf("SELECT Name FROM SYS.DEFAULT_CONSTRAINTS WHERE PARENT_OBJECT_ID = OBJECT_ID('%[1]s') AND PARENT_COLUMN_ID IN (SELECT column_id FROM sys.columns WHERE lower(NAME) IN (%[2]s) AND object_id = OBJECT_ID('%[1]s'))",
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tableName, strings.Replace(cols, "`", "'", -1))
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constraints := make([]string, 0)
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if err := sess.SQL(sql).Find(&constraints); err != nil {
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sess.Rollback()
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return fmt.Errorf("Find constraints: %v", err)
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}
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for _, constraint := range constraints {
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP CONSTRAINT `%s`", tableName, constraint)); err != nil {
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sess.Rollback()
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return fmt.Errorf("Drop table `%s` constraint `%s`: %v", tableName, constraint, err)
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}
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}
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if _, err := sess.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP COLUMN %s", tableName, cols)); err != nil {
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sess.Rollback()
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return fmt.Errorf("Drop table `%s` columns %v: %v", tableName, columnNames, err)
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}
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return sess.Commit()
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default:
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log.Fatal("Unrecognized DB")
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}
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return nil
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}
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