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// Copyright 2016 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package git
import (
"context"
"fmt"
"time"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/timeutil"
)
// DeletedBranch struct
type DeletedBranch struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
Name string `xorm:"UNIQUE(s) NOT NULL"`
Commit string `xorm:"UNIQUE(s) NOT NULL"`
DeletedByID int64 `xorm:"INDEX"`
DeletedBy *user_model.User `xorm:"-"`
DeletedUnix timeutil.TimeStamp `xorm:"INDEX created"`
}
func init() {
db.RegisterModel(new(DeletedBranch))
db.RegisterModel(new(RenamedBranch))
}
// AddDeletedBranch adds a deleted branch to the database
func AddDeletedBranch(ctx context.Context, repoID int64, branchName, commit string, deletedByID int64) error {
deletedBranch := &DeletedBranch{
RepoID: repoID,
Name: branchName,
Commit: commit,
DeletedByID: deletedByID,
}
_, err := db.GetEngine(ctx).Insert(deletedBranch)
return err
}
// GetDeletedBranches returns all the deleted branches
func GetDeletedBranches(ctx context.Context, repoID int64) ([]*DeletedBranch, error) {
deletedBranches := make([]*DeletedBranch, 0)
return deletedBranches, db.GetEngine(ctx).Where("repo_id = ?", repoID).Desc("deleted_unix").Find(&deletedBranches)
}
// GetDeletedBranchByID get a deleted branch by its ID
func GetDeletedBranchByID(ctx context.Context, repoID, id int64) (*DeletedBranch, error) {
deletedBranch := &DeletedBranch{}
has, err := db.GetEngine(ctx).Where("repo_id = ?", repoID).And("id = ?", id).Get(deletedBranch)
if err != nil {
return nil, err
}
if !has {
return nil, nil
}
return deletedBranch, nil
}
// RemoveDeletedBranchByID removes a deleted branch from the database
func RemoveDeletedBranchByID(ctx context.Context, repoID, id int64) (err error) {
deletedBranch := &DeletedBranch{
RepoID: repoID,
ID: id,
}
if affected, err := db.GetEngine(ctx).Delete(deletedBranch); err != nil {
return err
} else if affected != 1 {
return fmt.Errorf("remove deleted branch ID(%v) failed", id)
}
return nil
}
// LoadUser loads the user that deleted the branch
// When there's no user found it returns a user_model.NewGhostUser
func (deletedBranch *DeletedBranch) LoadUser(ctx context.Context) {
user, err := user_model.GetUserByID(ctx, deletedBranch.DeletedByID)
if err != nil {
user = user_model.NewGhostUser()
}
deletedBranch.DeletedBy = user
}
// RemoveDeletedBranchByName removes all deleted branches
func RemoveDeletedBranchByName(ctx context.Context, repoID int64, branch string) error {
_, err := db.GetEngine(ctx).Where("repo_id=? AND name=?", repoID, branch).Delete(new(DeletedBranch))
return err
}
// RemoveOldDeletedBranches removes old deleted branches
func RemoveOldDeletedBranches(ctx context.Context, olderThan time.Duration) {
// Nothing to do for shutdown or terminate
log.Trace("Doing: DeletedBranchesCleanup")
deleteBefore := time.Now().Add(-olderThan)
_, err := db.GetEngine(ctx).Where("deleted_unix < ?", deleteBefore.Unix()).Delete(new(DeletedBranch))
if err != nil {
log.Error("DeletedBranchesCleanup: %v", err)
}
}
// RenamedBranch provide renamed branch log
// will check it when a branch can't be found
type RenamedBranch struct {
ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"INDEX NOT NULL"`
From string
To string
CreatedUnix timeutil.TimeStamp `xorm:"created"`
}
// FindRenamedBranch check if a branch was renamed
func FindRenamedBranch(ctx context.Context, repoID int64, from string) (branch *RenamedBranch, exist bool, err error) {
branch = &RenamedBranch{
RepoID: repoID,
From: from,
}
exist, err = db.GetEngine(ctx).Get(branch)
return branch, exist, err
}
// RenameBranch rename a branch
func RenameBranch(ctx context.Context, repo *repo_model.Repository, from, to string, gitAction func(isDefault bool) error) (err error) {
ctx, committer, err := db.TxContext(ctx)
if err != nil {
return err
}
defer committer.Close()
sess := db.GetEngine(ctx)
// 1. update default branch if needed
isDefault := repo.DefaultBranch == from
if isDefault {
repo.DefaultBranch = to
_, err = sess.ID(repo.ID).Cols("default_branch").Update(repo)
if err != nil {
return err
}
}
// 2. Update protected branch if needed
protectedBranch, err := GetProtectedBranchRuleByName(ctx, repo.ID, from)
if err != nil {
return err
}
if protectedBranch != nil {
protectedBranch.RuleName = to
_, err = sess.ID(protectedBranch.ID).Cols("branch_name").Update(protectedBranch)
if err != nil {
return err
}
} else {
protected, err := IsBranchProtected(ctx, repo.ID, from)
if err != nil {
return err
}
if protected {
return ErrBranchIsProtected
}
}
// 3. Update all not merged pull request base branch name
_, err = sess.Table("pull_request").Where("base_repo_id=? AND base_branch=? AND has_merged=?",
repo.ID, from, false).
Update(map[string]interface{}{"base_branch": to})
if err != nil {
return err
}
// 4. do git action
if err = gitAction(isDefault); err != nil {
return err
}
// 5. insert renamed branch record
renamedBranch := &RenamedBranch{
RepoID: repo.ID,
From: from,
To: to,
}
err = db.Insert(ctx, renamedBranch)
if err != nil {
return err
}
return committer.Commit()
}
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