Files
Gitea/services/repository/files/cherry_pick.go
T
2026-07-26 17:32:02 +00:00

80 lines
2.1 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package files
import (
"errors"
"fmt"
"strings"
repo_model "gitea.dev/models/repo"
user_model "gitea.dev/models/user"
"gitea.dev/modules/git"
"gitea.dev/modules/gitrepo"
"gitea.dev/modules/reqctx"
"gitea.dev/modules/structs"
"gitea.dev/services/pull"
)
// ErrCommitIDDoesNotMatch represents a "CommitIDDoesNotMatch" kind of error.
type ErrCommitIDDoesNotMatch struct {
GivenCommitID string
CurrentCommitID string
}
// IsErrCommitIDDoesNotMatch checks if an error is a ErrCommitIDDoesNotMatch.
func IsErrCommitIDDoesNotMatch(err error) bool {
_, ok := err.(ErrCommitIDDoesNotMatch)
return ok
}
func (err ErrCommitIDDoesNotMatch) Error() string {
return fmt.Sprintf("file CommitID does not match [given: %s, expected: %s]", err.GivenCommitID, err.CurrentCommitID)
}
// CherryPick cherry-picks or reverts a commit to the given repository
func CherryPick(ctx reqctx.RequestContext, repo *repo_model.Repository, doer *user_model.User, revert bool, opts *ApplyDiffPatchOptions) (*structs.FileResponse, error) {
gitRepo, err := gitrepo.RepositoryFromRequestContextOrOpen(ctx, repo)
if err != nil {
return nil, err
}
t, err := gitPatchPrepare(ctx, repo, gitRepo, doer, opts)
if err != nil {
return nil, err
}
defer t.Close()
err = t.RefreshIndex(ctx)
if err != nil {
return nil, err
}
commit, err := t.GetCommit(strings.TrimSpace(opts.Content))
if err != nil {
return nil, err
}
parent, err := commit.ParentID(0)
if err != nil {
parent = git.ObjectFormatFromName(repo.ObjectFormatName).EmptyTree()
}
base, right := parent.String(), commit.ID.String()
if revert {
right, base = base, right
}
description := fmt.Sprintf("CherryPick %s onto %s", right, opts.OldBranch)
conflict, _, err := pull.AttemptThreeWayMerge(ctx, t.basePath, t.gitRepo, base, opts.LastCommitID, right, description)
if err != nil {
return nil, fmt.Errorf("failed to three-way merge %s onto %s: %w", right, opts.OldBranch, err)
}
if conflict {
return nil, errors.New("failed to merge due to conflicts")
}
return gitPatchCommitPush(ctx, t, repo, doer, opts)
}