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| 1 | +// Copyright 2023 The Gitea Authors. All rights reserved. |
| 2 | +// SPDX-License-Identifier: MIT |
| 3 | +package v1_22 //nolint |
| 4 | + |
| 5 | +import ( |
| 6 | + "errors" |
| 7 | + "fmt" |
| 8 | + |
| 9 | + "code.gitea.io/gitea/modules/log" |
| 10 | + "code.gitea.io/gitea/modules/setting" |
| 11 | + |
| 12 | + "xorm.io/xorm" |
| 13 | +) |
| 14 | + |
| 15 | +func expandHashReferencesToSha256(x *xorm.Engine) error { |
| 16 | + alteredTables := [][2]string{ |
| 17 | + {"commit_status", "context_hash"}, |
| 18 | + {"comment", "commit_sha"}, |
| 19 | + {"pull_request", "merge_base"}, |
| 20 | + {"pull_request", "merged_commit_id"}, |
| 21 | + {"review", "commit_id"}, |
| 22 | + {"review_state", "commit_sha"}, |
| 23 | + {"repo_archiver", "commit_id"}, |
| 24 | + {"release", "sha1"}, |
| 25 | + {"repo_indexer_status", "commit_sha"}, |
| 26 | + } |
| 27 | + |
| 28 | + db := x.NewSession() |
| 29 | + defer db.Close() |
| 30 | + |
| 31 | + if err := db.Begin(); err != nil { |
| 32 | + return err |
| 33 | + } |
| 34 | + |
| 35 | + if !setting.Database.Type.IsSQLite3() { |
| 36 | + if setting.Database.Type.IsMSSQL() { |
| 37 | + // drop indexes that need to be re-created afterwards |
| 38 | + droppedIndexes := []string{ |
| 39 | + "DROP INDEX commit_status.IDX_commit_status_context_hash", |
| 40 | + "DROP INDEX review_state.UQE_review_state_pull_commit_user", |
| 41 | + "DROP INDEX repo_archiver.UQE_repo_archiver_s", |
| 42 | + } |
| 43 | + for _, s := range droppedIndexes { |
| 44 | + _, err := db.Exec(s) |
| 45 | + if err != nil { |
| 46 | + return errors.New(s + " " + err.Error()) |
| 47 | + } |
| 48 | + } |
| 49 | + } |
| 50 | + |
| 51 | + for _, alts := range alteredTables { |
| 52 | + var err error |
| 53 | + if setting.Database.Type.IsMySQL() { |
| 54 | + _, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` MODIFY COLUMN `%s` VARCHAR(64)", alts[0], alts[1])) |
| 55 | + } else if setting.Database.Type.IsMSSQL() { |
| 56 | + _, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` ALTER COLUMN `%s` VARCHAR(64)", alts[0], alts[1])) |
| 57 | + } else { |
| 58 | + _, err = db.Exec(fmt.Sprintf("ALTER TABLE `%s` ALTER COLUMN `%s` TYPE VARCHAR(64)", alts[0], alts[1])) |
| 59 | + } |
| 60 | + if err != nil { |
| 61 | + return fmt.Errorf("alter column '%s' of table '%s' failed: %w", alts[1], alts[0], err) |
| 62 | + } |
| 63 | + } |
| 64 | + |
| 65 | + if setting.Database.Type.IsMSSQL() { |
| 66 | + recreateIndexes := []string{ |
| 67 | + "CREATE INDEX IDX_commit_status_context_hash ON commit_status(context_hash)", |
| 68 | + "CREATE UNIQUE INDEX UQE_review_state_pull_commit_user ON review_state(user_id, pull_id, commit_sha)", |
| 69 | + "CREATE UNIQUE INDEX UQE_repo_archiver_s ON repo_archiver(repo_id, type, commit_id)", |
| 70 | + } |
| 71 | + for _, s := range recreateIndexes { |
| 72 | + _, err := db.Exec(s) |
| 73 | + if err != nil { |
| 74 | + return errors.New(s + " " + err.Error()) |
| 75 | + } |
| 76 | + } |
| 77 | + } |
| 78 | + } |
| 79 | + log.Debug("Updated database tables to hold SHA256 git hash references") |
| 80 | + |
| 81 | + return db.Commit() |
| 82 | +} |
| 83 | + |
| 84 | +func addObjectFormatNameToRepository(x *xorm.Engine) error { |
| 85 | + type Repository struct { |
| 86 | + ObjectFormatName string `xorm:"VARCHAR(6) NOT NULL DEFAULT 'sha1'"` |
| 87 | + } |
| 88 | + |
| 89 | + if err := x.Sync(new(Repository)); err != nil { |
| 90 | + return err |
| 91 | + } |
| 92 | + |
| 93 | + // Here to catch weird edge-cases where column constraints above are |
| 94 | + // not applied by the DB backend |
| 95 | + _, err := x.Exec("UPDATE repository set object_format_name = 'sha1' WHERE object_format_name = '' or object_format_name IS NULL") |
| 96 | + return err |
| 97 | +} |
| 98 | + |
| 99 | +func AdjustDBForSha256(x *xorm.Engine) error { |
| 100 | + if err := expandHashReferencesToSha256(x); err != nil { |
| 101 | + return err |
| 102 | + } |
| 103 | + return addObjectFormatNameToRepository(x) |
| 104 | +} |
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