forked from Shiloh/githaven
542 lines
16 KiB
Go
542 lines
16 KiB
Go
// Copyright 2016 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"context"
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"fmt"
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"time"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/models/unit"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/optional"
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"code.gitea.io/gitea/modules/timeutil"
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"code.gitea.io/gitea/modules/util"
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"xorm.io/builder"
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)
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// ErrBranchNotExist represents an error that branch with such name does not exist.
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type ErrBranchNotExist struct {
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RepoID int64
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BranchName string
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}
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// IsErrBranchNotExist checks if an error is an ErrBranchDoesNotExist.
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func IsErrBranchNotExist(err error) bool {
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_, ok := err.(ErrBranchNotExist)
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return ok
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}
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func (err ErrBranchNotExist) Error() string {
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return fmt.Sprintf("branch does not exist [repo_id: %d name: %s]", err.RepoID, err.BranchName)
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}
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func (err ErrBranchNotExist) Unwrap() error {
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return util.ErrNotExist
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}
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// ErrBranchAlreadyExists represents an error that branch with such name already exists.
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type ErrBranchAlreadyExists struct {
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BranchName string
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}
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// IsErrBranchAlreadyExists checks if an error is an ErrBranchAlreadyExists.
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func IsErrBranchAlreadyExists(err error) bool {
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_, ok := err.(ErrBranchAlreadyExists)
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return ok
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}
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func (err ErrBranchAlreadyExists) Error() string {
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return fmt.Sprintf("branch already exists [name: %s]", err.BranchName)
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}
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func (err ErrBranchAlreadyExists) Unwrap() error {
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return util.ErrAlreadyExist
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}
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// ErrBranchNameConflict represents an error that branch name conflicts with other branch.
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type ErrBranchNameConflict struct {
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BranchName string
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}
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// IsErrBranchNameConflict checks if an error is an ErrBranchNameConflict.
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func IsErrBranchNameConflict(err error) bool {
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_, ok := err.(ErrBranchNameConflict)
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return ok
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}
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func (err ErrBranchNameConflict) Error() string {
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return fmt.Sprintf("branch conflicts with existing branch [name: %s]", err.BranchName)
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}
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func (err ErrBranchNameConflict) Unwrap() error {
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return util.ErrAlreadyExist
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}
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// ErrBranchesEqual represents an error that base branch is equal to the head branch.
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type ErrBranchesEqual struct {
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BaseBranchName string
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HeadBranchName string
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}
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// IsErrBranchesEqual checks if an error is an ErrBranchesEqual.
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func IsErrBranchesEqual(err error) bool {
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_, ok := err.(ErrBranchesEqual)
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return ok
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}
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func (err ErrBranchesEqual) Error() string {
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return fmt.Sprintf("branches are equal [head: %sm base: %s]", err.HeadBranchName, err.BaseBranchName)
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}
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func (err ErrBranchesEqual) Unwrap() error {
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return util.ErrInvalidArgument
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}
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// Branch represents a branch of a repository
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// For those repository who have many branches, stored into database is a good choice
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// for pagination, keyword search and filtering
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type Branch struct {
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ID int64
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RepoID int64 `xorm:"UNIQUE(s)"`
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Repo *repo_model.Repository `xorm:"-"`
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Name string `xorm:"UNIQUE(s) NOT NULL"` // git's ref-name is case-sensitive internally, however, in some databases (mssql, mysql, by default), it's case-insensitive at the moment
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CommitID string
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CommitMessage string `xorm:"TEXT"` // it only stores the message summary (the first line)
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PusherID int64
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Pusher *user_model.User `xorm:"-"`
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IsDeleted bool `xorm:"index"`
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DeletedByID int64
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DeletedBy *user_model.User `xorm:"-"`
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DeletedUnix timeutil.TimeStamp `xorm:"index"`
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CommitTime timeutil.TimeStamp // The commit
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"updated"`
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}
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func (b *Branch) LoadDeletedBy(ctx context.Context) (err error) {
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if b.DeletedBy == nil {
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b.DeletedBy, err = user_model.GetUserByID(ctx, b.DeletedByID)
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if user_model.IsErrUserNotExist(err) {
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b.DeletedBy = user_model.NewGhostUser()
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err = nil
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}
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}
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return err
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}
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func (b *Branch) LoadPusher(ctx context.Context) (err error) {
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if b.Pusher == nil && b.PusherID > 0 {
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b.Pusher, err = user_model.GetUserByID(ctx, b.PusherID)
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if user_model.IsErrUserNotExist(err) {
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b.Pusher = user_model.NewGhostUser()
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err = nil
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}
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}
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return err
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}
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func (b *Branch) LoadRepo(ctx context.Context) (err error) {
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if b.Repo != nil || b.RepoID == 0 {
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return nil
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}
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b.Repo, err = repo_model.GetRepositoryByID(ctx, b.RepoID)
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return err
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}
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func init() {
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db.RegisterModel(new(Branch))
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db.RegisterModel(new(RenamedBranch))
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}
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func GetBranch(ctx context.Context, repoID int64, branchName string) (*Branch, error) {
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var branch Branch
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has, err := db.GetEngine(ctx).Where("repo_id=?", repoID).And("name=?", branchName).Get(&branch)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrBranchNotExist{
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RepoID: repoID,
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BranchName: branchName,
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}
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}
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return &branch, nil
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}
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func GetBranches(ctx context.Context, repoID int64, branchNames []string) ([]*Branch, error) {
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branches := make([]*Branch, 0, len(branchNames))
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return branches, db.GetEngine(ctx).Where("repo_id=?", repoID).In("name", branchNames).Find(&branches)
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}
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func AddBranches(ctx context.Context, branches []*Branch) error {
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for _, branch := range branches {
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if _, err := db.GetEngine(ctx).Insert(branch); 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 GetDeletedBranchByID(ctx context.Context, repoID, branchID int64) (*Branch, error) {
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var branch Branch
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has, err := db.GetEngine(ctx).ID(branchID).Get(&branch)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrBranchNotExist{
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RepoID: repoID,
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}
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}
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if branch.RepoID != repoID {
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return nil, ErrBranchNotExist{
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RepoID: repoID,
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}
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}
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if !branch.IsDeleted {
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return nil, ErrBranchNotExist{
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RepoID: repoID,
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}
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}
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return &branch, nil
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}
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func DeleteBranches(ctx context.Context, repoID, doerID int64, branchIDs []int64) error {
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return db.WithTx(ctx, func(ctx context.Context) error {
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branches := make([]*Branch, 0, len(branchIDs))
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if err := db.GetEngine(ctx).In("id", branchIDs).Find(&branches); err != nil {
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return err
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}
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for _, branch := range branches {
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if err := AddDeletedBranch(ctx, repoID, branch.Name, doerID); 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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}
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// UpdateBranch updates the branch information in the database.
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func UpdateBranch(ctx context.Context, repoID, pusherID int64, branchName string, commit *git.Commit) (int64, error) {
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return db.GetEngine(ctx).Where("repo_id=? AND name=?", repoID, branchName).
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Cols("commit_id, commit_message, pusher_id, commit_time, is_deleted, updated_unix").
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Update(&Branch{
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CommitID: commit.ID.String(),
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CommitMessage: commit.Summary(),
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PusherID: pusherID,
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CommitTime: timeutil.TimeStamp(commit.Committer.When.Unix()),
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IsDeleted: false,
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})
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}
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// AddDeletedBranch adds a deleted branch to the database
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func AddDeletedBranch(ctx context.Context, repoID int64, branchName string, deletedByID int64) error {
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branch, err := GetBranch(ctx, repoID, branchName)
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if err != nil {
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return err
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}
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if branch.IsDeleted {
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return nil
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}
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cnt, err := db.GetEngine(ctx).Where("repo_id=? AND name=? AND is_deleted=?", repoID, branchName, false).
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Cols("is_deleted, deleted_by_id, deleted_unix").
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Update(&Branch{
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IsDeleted: true,
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DeletedByID: deletedByID,
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DeletedUnix: timeutil.TimeStampNow(),
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})
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if err != nil {
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return err
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}
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if cnt == 0 {
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return fmt.Errorf("branch %s not found or has been deleted", branchName)
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}
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return err
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}
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func RemoveDeletedBranchByID(ctx context.Context, repoID, branchID int64) error {
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_, err := db.GetEngine(ctx).Where("repo_id=? AND id=? AND is_deleted = ?", repoID, branchID, true).Delete(new(Branch))
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return err
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}
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// RemoveOldDeletedBranches removes old deleted branches
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func RemoveOldDeletedBranches(ctx context.Context, olderThan time.Duration) {
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// Nothing to do for shutdown or terminate
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log.Trace("Doing: DeletedBranchesCleanup")
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deleteBefore := time.Now().Add(-olderThan)
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_, err := db.GetEngine(ctx).Where("is_deleted=? AND deleted_unix < ?", true, deleteBefore.Unix()).Delete(new(Branch))
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if err != nil {
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log.Error("DeletedBranchesCleanup: %v", err)
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}
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}
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// RenamedBranch provide renamed branch log
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// will check it when a branch can't be found
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type RenamedBranch struct {
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ID int64 `xorm:"pk autoincr"`
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RepoID int64 `xorm:"INDEX NOT NULL"`
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From string
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To string
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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}
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// FindRenamedBranch check if a branch was renamed
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func FindRenamedBranch(ctx context.Context, repoID int64, from string) (branch *RenamedBranch, exist bool, err error) {
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branch = &RenamedBranch{
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RepoID: repoID,
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From: from,
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}
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exist, err = db.GetEngine(ctx).Get(branch)
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return branch, exist, err
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}
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// RenameBranch rename a branch
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func RenameBranch(ctx context.Context, repo *repo_model.Repository, from, to string, gitAction func(ctx context.Context, isDefault bool) error) (err error) {
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ctx, committer, err := db.TxContext(ctx)
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if err != nil {
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return err
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}
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defer committer.Close()
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sess := db.GetEngine(ctx)
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// check whether from branch exist
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var branch Branch
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exist, err := db.GetEngine(ctx).Where("repo_id=? AND name=?", repo.ID, from).Get(&branch)
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if err != nil {
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return err
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} else if !exist || branch.IsDeleted {
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return ErrBranchNotExist{
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RepoID: repo.ID,
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BranchName: from,
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}
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}
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// check whether to branch exist or is_deleted
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var dstBranch Branch
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exist, err = db.GetEngine(ctx).Where("repo_id=? AND name=?", repo.ID, to).Get(&dstBranch)
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if err != nil {
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return err
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}
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if exist {
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if !dstBranch.IsDeleted {
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return ErrBranchAlreadyExists{
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BranchName: to,
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}
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}
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if _, err := db.GetEngine(ctx).ID(dstBranch.ID).NoAutoCondition().Delete(&dstBranch); err != nil {
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return err
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}
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}
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// 1. update branch in database
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if n, err := sess.Where("repo_id=? AND name=?", repo.ID, from).Update(&Branch{
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Name: to,
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}); err != nil {
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return err
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} else if n <= 0 {
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return ErrBranchNotExist{
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RepoID: repo.ID,
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BranchName: from,
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}
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}
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// 2. update default branch if needed
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isDefault := repo.DefaultBranch == from
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if isDefault {
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repo.DefaultBranch = to
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_, err = sess.ID(repo.ID).Cols("default_branch").Update(repo)
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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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// 3. Update protected branch if needed
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protectedBranch, err := GetProtectedBranchRuleByName(ctx, repo.ID, from)
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if err != nil {
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return err
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}
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if protectedBranch != nil {
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// there is a protect rule for this branch
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protectedBranch.RuleName = to
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_, err = sess.ID(protectedBranch.ID).Cols("branch_name").Update(protectedBranch)
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if err != nil {
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return err
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}
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} else {
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// some glob protect rules may match this branch
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protected, err := IsBranchProtected(ctx, repo.ID, from)
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if err != nil {
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return err
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}
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if protected {
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return ErrBranchIsProtected
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}
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}
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// 4. Update all not merged pull request base branch name
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_, err = sess.Table("pull_request").Where("base_repo_id=? AND base_branch=? AND has_merged=?",
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repo.ID, from, false).
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Update(map[string]any{"base_branch": to})
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if err != nil {
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return err
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}
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// 4.1 Update all not merged pull request head branch name
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if _, err = sess.Table("pull_request").Where("head_repo_id=? AND head_branch=? AND has_merged=?",
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repo.ID, from, false).
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Update(map[string]any{"head_branch": to}); err != nil {
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return err
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}
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// 5. insert renamed branch record
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renamedBranch := &RenamedBranch{
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RepoID: repo.ID,
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From: from,
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To: to,
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}
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err = db.Insert(ctx, renamedBranch)
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if err != nil {
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return err
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}
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// 6. do git action
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if err = gitAction(ctx, isDefault); err != nil {
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return err
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}
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return committer.Commit()
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}
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type FindRecentlyPushedNewBranchesOptions struct {
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Repo *repo_model.Repository
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BaseRepo *repo_model.Repository
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CommitAfterUnix int64
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MaxCount int
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}
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type RecentlyPushedNewBranch struct {
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BranchDisplayName string
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BranchLink string
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BranchCompareURL string
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CommitTime timeutil.TimeStamp
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}
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// FindRecentlyPushedNewBranches return at most 2 new branches pushed by the user in 2 hours which has no opened PRs created
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// if opts.CommitAfterUnix is 0, we will find the branches that were committed to in the last 2 hours
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// if opts.ListOptions is not set, we will only display top 2 latest branches.
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// Protected branches will be skipped since they are unlikely to be used to create new PRs.
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func FindRecentlyPushedNewBranches(ctx context.Context, doer *user_model.User, opts *FindRecentlyPushedNewBranchesOptions) ([]*RecentlyPushedNewBranch, error) {
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if doer == nil {
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return []*RecentlyPushedNewBranch{}, nil
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}
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// find all related repo ids
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repoOpts := repo_model.SearchRepoOptions{
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Actor: doer,
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Private: true,
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AllPublic: false, // Include also all public repositories of users and public organisations
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AllLimited: false, // Include also all public repositories of limited organisations
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Fork: optional.Some(true),
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ForkFrom: opts.BaseRepo.ID,
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Archived: optional.Some(false),
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}
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repoCond := repo_model.SearchRepositoryCondition(&repoOpts).And(repo_model.AccessibleRepositoryCondition(doer, unit.TypeCode))
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if opts.Repo.ID == opts.BaseRepo.ID {
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// should also include the base repo's branches
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repoCond = repoCond.Or(builder.Eq{"id": opts.BaseRepo.ID})
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} else {
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// in fork repo, we only detect the fork repo's branch
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repoCond = repoCond.And(builder.Eq{"id": opts.Repo.ID})
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}
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repoIDs := builder.Select("id").From("repository").Where(repoCond)
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if opts.CommitAfterUnix == 0 {
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opts.CommitAfterUnix = time.Now().Add(-time.Hour * 2).Unix()
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}
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baseBranch, err := GetBranch(ctx, opts.BaseRepo.ID, opts.BaseRepo.DefaultBranch)
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if err != nil {
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return nil, err
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}
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// find all related branches, these branches may already created PRs, we will check later
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var branches []*Branch
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if err := db.GetEngine(ctx).
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Where(builder.And(
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builder.Eq{
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"pusher_id": doer.ID,
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"is_deleted": false,
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},
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builder.Gte{"commit_time": opts.CommitAfterUnix},
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builder.In("repo_id", repoIDs),
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// newly created branch have no changes, so skip them
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builder.Neq{"commit_id": baseBranch.CommitID},
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)).
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OrderBy(db.SearchOrderByRecentUpdated.String()).
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Find(&branches); err != nil {
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return nil, err
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}
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newBranches := make([]*RecentlyPushedNewBranch, 0, len(branches))
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if opts.MaxCount == 0 {
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// by default we display 2 recently pushed new branch
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opts.MaxCount = 2
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}
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for _, branch := range branches {
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// whether the branch is protected
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protected, err := IsBranchProtected(ctx, branch.RepoID, branch.Name)
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if err != nil {
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return nil, fmt.Errorf("IsBranchProtected: %v", err)
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}
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if protected {
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// Skip protected branches,
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// since updates to protected branches often come from PR merges,
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// and they are unlikely to be used to create new PRs.
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continue
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}
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// whether branch have already created PR
|
|
count, err := db.GetEngine(ctx).Table("pull_request").
|
|
// we should not only use branch name here, because if there are branches with same name in other repos,
|
|
// we can not detect them correctly
|
|
Where(builder.Eq{"head_repo_id": branch.RepoID, "head_branch": branch.Name}).Count()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// if no PR, we add to the result
|
|
if count == 0 {
|
|
if err := branch.LoadRepo(ctx); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
branchDisplayName := branch.Name
|
|
if branch.Repo.ID != opts.BaseRepo.ID && branch.Repo.ID != opts.Repo.ID {
|
|
branchDisplayName = fmt.Sprintf("%s:%s", branch.Repo.FullName(), branchDisplayName)
|
|
}
|
|
newBranches = append(newBranches, &RecentlyPushedNewBranch{
|
|
BranchDisplayName: branchDisplayName,
|
|
BranchLink: fmt.Sprintf("%s/src/branch/%s", branch.Repo.Link(), util.PathEscapeSegments(branch.Name)),
|
|
BranchCompareURL: branch.Repo.ComposeBranchCompareURL(opts.BaseRepo, branch.Name),
|
|
CommitTime: branch.CommitTime,
|
|
})
|
|
}
|
|
if len(newBranches) == opts.MaxCount {
|
|
break
|
|
}
|
|
}
|
|
|
|
return newBranches, nil
|
|
}
|