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mirror of https://codeberg.org/forgejo/forgejo synced 2024-11-25 19:26:09 +01:00
forgejo/services/pull/comment.go
Brecht Van Lommel 8bdc0acf97
Fix pull request update showing too many commits with multiple branches (#22856)
When the base repository contains multiple branches with the same
commits as the base branch, pull requests can show a long list of
commits already in the base branch as having been added.

What this is supposed to do is exclude commits already in the base
branch. But the mechansim to do so assumed a commit only exists in a
single branch. Now use `git rev-list A B --not branchName` instead of
filtering commits afterwards.

The logic to detect if there was a force push also was wrong for
multiple branches. If the old commit existed in any branch in the base
repository it would assume there was no force push. Instead check if the
old commit is an ancestor of the new commit.
2023-03-09 12:14:22 -06:00

97 lines
2.6 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package pull
import (
"context"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/json"
issue_service "code.gitea.io/gitea/services/issue"
)
// getCommitIDsFromRepo get commit IDs from repo in between oldCommitID and newCommitID
// isForcePush will be true if oldCommit isn't on the branch
// Commit on baseBranch will skip
func getCommitIDsFromRepo(ctx context.Context, repo *repo_model.Repository, oldCommitID, newCommitID, baseBranch string) (commitIDs []string, isForcePush bool, err error) {
repoPath := repo.RepoPath()
gitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, repoPath)
if err != nil {
return nil, false, err
}
defer closer.Close()
oldCommit, err := gitRepo.GetCommit(oldCommitID)
if err != nil {
return nil, false, err
}
newCommit, err := gitRepo.GetCommit(newCommitID)
if err != nil {
return nil, false, err
}
isForcePush, err = newCommit.IsForcePush(oldCommitID)
if err != nil {
return nil, false, err
}
if isForcePush {
commitIDs = make([]string, 2)
commitIDs[0] = oldCommitID
commitIDs[1] = newCommitID
return commitIDs, isForcePush, err
}
// Find commits between new and old commit exclusing base branch commits
commits, err := gitRepo.CommitsBetweenNotBase(newCommit, oldCommit, baseBranch)
if err != nil {
return nil, false, err
}
commitIDs = make([]string, 0, len(commits))
for i := len(commits) - 1; i >= 0; i-- {
commitIDs = append(commitIDs, commits[i].ID.String())
}
return commitIDs, isForcePush, err
}
// CreatePushPullComment create push code to pull base comment
func CreatePushPullComment(ctx context.Context, pusher *user_model.User, pr *issues_model.PullRequest, oldCommitID, newCommitID string) (comment *issues_model.Comment, err error) {
if pr.HasMerged || oldCommitID == "" || newCommitID == "" {
return nil, nil
}
ops := &issues_model.CreateCommentOptions{
Type: issues_model.CommentTypePullRequestPush,
Doer: pusher,
Repo: pr.BaseRepo,
}
var data issues_model.PushActionContent
data.CommitIDs, data.IsForcePush, err = getCommitIDsFromRepo(ctx, pr.BaseRepo, oldCommitID, newCommitID, pr.BaseBranch)
if err != nil {
return nil, err
}
ops.Issue = pr.Issue
dataJSON, err := json.Marshal(data)
if err != nil {
return nil, err
}
ops.Content = string(dataJSON)
comment, err = issue_service.CreateComment(ops)
return comment, err
}