mirror of
https://github.com/go-gitea/gitea
synced 2024-11-16 07:04:25 +00:00
4a20eadfd7
Unfortunately #17643 prevented all propagation of ErrDependenciesLeft meaning that dependency errors that prevent closing of issues get swallowed. This PR restores propagation of the error but instead swallows the error in the places where it needs to be swallowed. Fix #18223 Signed-off-by: Andrew Thornton <art27@cantab.net>
705 lines
26 KiB
Go
705 lines
26 KiB
Go
// Copyright 2019 The Gitea Authors.
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// All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package pull
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import (
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"bufio"
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"bytes"
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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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/cache"
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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/notification"
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"code.gitea.io/gitea/modules/references"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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asymkey_service "code.gitea.io/gitea/services/asymkey"
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issue_service "code.gitea.io/gitea/services/issue"
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)
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// Merge merges pull request to base repository.
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// Caller should check PR is ready to be merged (review and status checks)
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// FIXME: add repoWorkingPull make sure two merges does not happen at same time.
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func Merge(pr *models.PullRequest, doer *user_model.User, baseGitRepo *git.Repository, mergeStyle repo_model.MergeStyle, expectedHeadCommitID, message string) (err error) {
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if err = pr.LoadHeadRepo(); err != nil {
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log.Error("LoadHeadRepo: %v", err)
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return fmt.Errorf("LoadHeadRepo: %v", err)
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} else if err = pr.LoadBaseRepo(); err != nil {
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log.Error("LoadBaseRepo: %v", err)
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return fmt.Errorf("LoadBaseRepo: %v", err)
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}
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prUnit, err := pr.BaseRepo.GetUnit(unit.TypePullRequests)
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if err != nil {
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log.Error("pr.BaseRepo.GetUnit(unit.TypePullRequests): %v", err)
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return err
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}
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prConfig := prUnit.PullRequestsConfig()
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// Check if merge style is correct and allowed
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if !prConfig.IsMergeStyleAllowed(mergeStyle) {
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return models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: mergeStyle}
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}
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defer func() {
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go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false, "", "")
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}()
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pr.MergedCommitID, err = rawMerge(pr, doer, mergeStyle, expectedHeadCommitID, message)
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if err != nil {
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return err
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}
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pr.MergedUnix = timeutil.TimeStampNow()
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pr.Merger = doer
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pr.MergerID = doer.ID
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if _, err := pr.SetMerged(); err != nil {
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log.Error("setMerged [%d]: %v", pr.ID, err)
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}
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if err := pr.LoadIssue(); err != nil {
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log.Error("loadIssue [%d]: %v", pr.ID, err)
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}
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if err := pr.Issue.LoadRepo(); err != nil {
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log.Error("loadRepo for issue [%d]: %v", pr.ID, err)
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}
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if err := pr.Issue.Repo.GetOwner(db.DefaultContext); err != nil {
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log.Error("GetOwner for issue repo [%d]: %v", pr.ID, err)
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}
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notification.NotifyMergePullRequest(pr, doer)
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// Reset cached commit count
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cache.Remove(pr.Issue.Repo.GetCommitsCountCacheKey(pr.BaseBranch, true))
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// Resolve cross references
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refs, err := pr.ResolveCrossReferences()
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if err != nil {
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log.Error("ResolveCrossReferences: %v", err)
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return nil
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}
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for _, ref := range refs {
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if err = ref.LoadIssue(); err != nil {
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return err
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}
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if err = ref.Issue.LoadRepo(); err != nil {
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return err
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}
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close := ref.RefAction == references.XRefActionCloses
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if close != ref.Issue.IsClosed {
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if err = issue_service.ChangeStatus(ref.Issue, doer, close); err != nil {
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// Allow ErrDependenciesLeft
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if !models.IsErrDependenciesLeft(err) {
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return err
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}
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}
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}
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}
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return nil
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}
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// rawMerge perform the merge operation without changing any pull information in database
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func rawMerge(pr *models.PullRequest, doer *user_model.User, mergeStyle repo_model.MergeStyle, expectedHeadCommitID, message string) (string, error) {
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err := git.LoadGitVersion()
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if err != nil {
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log.Error("git.LoadGitVersion: %v", err)
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return "", fmt.Errorf("Unable to get git version: %v", err)
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}
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// Clone base repo.
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tmpBasePath, err := createTemporaryRepo(pr)
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if err != nil {
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log.Error("CreateTemporaryPath: %v", err)
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return "", err
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}
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defer func() {
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if err := models.RemoveTemporaryPath(tmpBasePath); err != nil {
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log.Error("Merge: RemoveTemporaryPath: %s", err)
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}
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}()
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baseBranch := "base"
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trackingBranch := "tracking"
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stagingBranch := "staging"
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if expectedHeadCommitID != "" {
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trackingCommitID, err := git.NewCommand("show-ref", "--hash", git.BranchPrefix+trackingBranch).RunInDir(tmpBasePath)
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if err != nil {
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log.Error("show-ref[%s] --hash refs/heads/trackingn: %v", tmpBasePath, git.BranchPrefix+trackingBranch, err)
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return "", fmt.Errorf("getDiffTree: %v", err)
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}
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if strings.TrimSpace(trackingCommitID) != expectedHeadCommitID {
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return "", models.ErrSHADoesNotMatch{
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GivenSHA: expectedHeadCommitID,
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CurrentSHA: trackingCommitID,
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}
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}
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}
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var outbuf, errbuf strings.Builder
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// Enable sparse-checkout
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sparseCheckoutList, err := getDiffTree(tmpBasePath, baseBranch, trackingBranch)
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if err != nil {
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log.Error("getDiffTree(%s, %s, %s): %v", tmpBasePath, baseBranch, trackingBranch, err)
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return "", fmt.Errorf("getDiffTree: %v", err)
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}
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infoPath := filepath.Join(tmpBasePath, ".git", "info")
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if err := os.MkdirAll(infoPath, 0700); err != nil {
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log.Error("Unable to create .git/info in %s: %v", tmpBasePath, err)
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return "", fmt.Errorf("Unable to create .git/info in tmpBasePath: %v", err)
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}
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sparseCheckoutListPath := filepath.Join(infoPath, "sparse-checkout")
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if err := os.WriteFile(sparseCheckoutListPath, []byte(sparseCheckoutList), 0600); err != nil {
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log.Error("Unable to write .git/info/sparse-checkout file in %s: %v", tmpBasePath, err)
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return "", fmt.Errorf("Unable to write .git/info/sparse-checkout file in tmpBasePath: %v", err)
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}
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var gitConfigCommand func() *git.Command
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if git.CheckGitVersionAtLeast("1.8.0") == nil {
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gitConfigCommand = func() *git.Command {
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return git.NewCommand("config", "--local")
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}
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} else {
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gitConfigCommand = func() *git.Command {
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return git.NewCommand("config")
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}
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}
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// Switch off LFS process (set required, clean and smudge here also)
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if err := gitConfigCommand().AddArguments("filter.lfs.process", "").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git config [filter.lfs.process -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git config [filter.lfs.process -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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if err := gitConfigCommand().AddArguments("filter.lfs.required", "false").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git config [filter.lfs.required -> <false> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git config [filter.lfs.required -> <false> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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if err := gitConfigCommand().AddArguments("filter.lfs.clean", "").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git config [filter.lfs.clean -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git config [filter.lfs.clean -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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if err := gitConfigCommand().AddArguments("filter.lfs.smudge", "").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git config [filter.lfs.smudge -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git config [filter.lfs.smudge -> <> ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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if err := gitConfigCommand().AddArguments("core.sparseCheckout", "true").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git config [core.sparseCheckout -> true ]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git config [core.sparsecheckout -> true]: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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// Read base branch index
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if err := git.NewCommand("read-tree", "HEAD").RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git read-tree HEAD: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("Unable to read base branch in to the index: %v\n%s\n%s", err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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sig := doer.NewGitSig()
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committer := sig
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// Determine if we should sign
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signArg := ""
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if git.CheckGitVersionAtLeast("1.7.9") == nil {
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sign, keyID, signer, _ := asymkey_service.SignMerge(pr, doer, tmpBasePath, "HEAD", trackingBranch)
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if sign {
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signArg = "-S" + keyID
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if pr.BaseRepo.GetTrustModel() == repo_model.CommitterTrustModel || pr.BaseRepo.GetTrustModel() == repo_model.CollaboratorCommitterTrustModel {
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committer = signer
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}
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} else if git.CheckGitVersionAtLeast("2.0.0") == nil {
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signArg = "--no-gpg-sign"
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}
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}
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commitTimeStr := time.Now().Format(time.RFC3339)
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// Because this may call hooks we should pass in the environment
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env := append(os.Environ(),
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"GIT_AUTHOR_NAME="+sig.Name,
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"GIT_AUTHOR_EMAIL="+sig.Email,
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"GIT_AUTHOR_DATE="+commitTimeStr,
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"GIT_COMMITTER_NAME="+committer.Name,
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"GIT_COMMITTER_EMAIL="+committer.Email,
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"GIT_COMMITTER_DATE="+commitTimeStr,
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)
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// Merge commits.
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switch mergeStyle {
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case repo_model.MergeStyleMerge:
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cmd := git.NewCommand("merge", "--no-ff", "--no-commit", trackingBranch)
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if err := runMergeCommand(pr, mergeStyle, cmd, tmpBasePath); err != nil {
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log.Error("Unable to merge tracking into base: %v", err)
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return "", err
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}
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if err := commitAndSignNoAuthor(pr, message, signArg, tmpBasePath, env); err != nil {
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log.Error("Unable to make final commit: %v", err)
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return "", err
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}
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case repo_model.MergeStyleRebase:
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fallthrough
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case repo_model.MergeStyleRebaseUpdate:
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fallthrough
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case repo_model.MergeStyleRebaseMerge:
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// Checkout head branch
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if err := git.NewCommand("checkout", "-b", stagingBranch, trackingBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git checkout base prior to merge post staging rebase [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git checkout base prior to merge post staging rebase [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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// Rebase before merging
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if err := git.NewCommand("rebase", baseBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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// Rebase will leave a REBASE_HEAD file in .git if there is a conflict
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if _, statErr := os.Stat(filepath.Join(tmpBasePath, ".git", "REBASE_HEAD")); statErr == nil {
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var commitSha string
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ok := false
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failingCommitPaths := []string{
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filepath.Join(tmpBasePath, ".git", "rebase-apply", "original-commit"), // Git < 2.26
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filepath.Join(tmpBasePath, ".git", "rebase-merge", "stopped-sha"), // Git >= 2.26
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}
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for _, failingCommitPath := range failingCommitPaths {
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if _, statErr := os.Stat(failingCommitPath); statErr == nil {
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commitShaBytes, readErr := os.ReadFile(failingCommitPath)
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if readErr != nil {
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// Abandon this attempt to handle the error
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log.Error("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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commitSha = strings.TrimSpace(string(commitShaBytes))
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ok = true
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break
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}
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}
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if !ok {
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log.Error("Unable to determine failing commit sha for this rebase message. Cannot cast as models.ErrRebaseConflicts.")
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log.Error("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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log.Debug("RebaseConflict at %s [%s:%s -> %s:%s]: %v\n%s\n%s", commitSha, pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", models.ErrRebaseConflicts{
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Style: mergeStyle,
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CommitSHA: commitSha,
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StdOut: outbuf.String(),
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StdErr: errbuf.String(),
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Err: err,
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}
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}
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log.Error("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git rebase staging on to base [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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// not need merge, just update by rebase. so skip
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if mergeStyle == repo_model.MergeStyleRebaseUpdate {
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break
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}
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// Checkout base branch again
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if err := git.NewCommand("checkout", baseBranch).RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git checkout base prior to merge post staging rebase [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git checkout base prior to merge post staging rebase [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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outbuf.Reset()
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errbuf.Reset()
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cmd := git.NewCommand("merge")
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if mergeStyle == repo_model.MergeStyleRebase {
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cmd.AddArguments("--ff-only")
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} else {
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cmd.AddArguments("--no-ff", "--no-commit")
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}
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cmd.AddArguments(stagingBranch)
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// Prepare merge with commit
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if err := runMergeCommand(pr, mergeStyle, cmd, tmpBasePath); err != nil {
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log.Error("Unable to merge staging into base: %v", err)
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return "", err
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}
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if mergeStyle == repo_model.MergeStyleRebaseMerge {
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if err := commitAndSignNoAuthor(pr, message, signArg, tmpBasePath, env); err != nil {
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log.Error("Unable to make final commit: %v", err)
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return "", err
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}
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}
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case repo_model.MergeStyleSquash:
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// Merge with squash
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cmd := git.NewCommand("merge", "--squash", trackingBranch)
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if err := runMergeCommand(pr, mergeStyle, cmd, tmpBasePath); err != nil {
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log.Error("Unable to merge --squash tracking into base: %v", err)
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return "", err
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}
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if err = pr.Issue.LoadPoster(); err != nil {
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log.Error("LoadPoster: %v", err)
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return "", fmt.Errorf("LoadPoster: %v", err)
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}
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sig := pr.Issue.Poster.NewGitSig()
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if signArg == "" {
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if err := git.NewCommand("commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email), "-m", message).RunInDirTimeoutEnvPipeline(env, -1, tmpBasePath, &outbuf, &errbuf); err != nil {
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log.Error("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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return "", fmt.Errorf("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
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}
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} else {
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if setting.Repository.PullRequest.AddCoCommitterTrailers && committer.String() != sig.String() {
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// add trailer
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message += fmt.Sprintf("\nCo-authored-by: %s\nCo-committed-by: %s\n", sig.String(), sig.String())
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}
|
|
if err := git.NewCommand("commit", signArg, fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email), "-m", message).RunInDirTimeoutEnvPipeline(env, -1, tmpBasePath, &outbuf, &errbuf); err != nil {
|
|
log.Error("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return "", fmt.Errorf("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
}
|
|
}
|
|
outbuf.Reset()
|
|
errbuf.Reset()
|
|
default:
|
|
return "", models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: mergeStyle}
|
|
}
|
|
|
|
// OK we should cache our current head and origin/headbranch
|
|
mergeHeadSHA, err := git.GetFullCommitID(tmpBasePath, "HEAD")
|
|
if err != nil {
|
|
return "", fmt.Errorf("Failed to get full commit id for HEAD: %v", err)
|
|
}
|
|
mergeBaseSHA, err := git.GetFullCommitID(tmpBasePath, "original_"+baseBranch)
|
|
if err != nil {
|
|
return "", fmt.Errorf("Failed to get full commit id for origin/%s: %v", pr.BaseBranch, err)
|
|
}
|
|
mergeCommitID, err := git.GetFullCommitID(tmpBasePath, baseBranch)
|
|
if err != nil {
|
|
return "", fmt.Errorf("Failed to get full commit id for the new merge: %v", err)
|
|
}
|
|
|
|
// Now it's questionable about where this should go - either after or before the push
|
|
// I think in the interests of data safety - failures to push to the lfs should prevent
|
|
// the merge as you can always remerge.
|
|
if setting.LFS.StartServer {
|
|
if err := LFSPush(tmpBasePath, mergeHeadSHA, mergeBaseSHA, pr); err != nil {
|
|
return "", err
|
|
}
|
|
}
|
|
|
|
var headUser *user_model.User
|
|
err = pr.HeadRepo.GetOwner(db.DefaultContext)
|
|
if err != nil {
|
|
if !user_model.IsErrUserNotExist(err) {
|
|
log.Error("Can't find user: %d for head repository - %v", pr.HeadRepo.OwnerID, err)
|
|
return "", err
|
|
}
|
|
log.Error("Can't find user: %d for head repository - defaulting to doer: %s - %v", pr.HeadRepo.OwnerID, doer.Name, err)
|
|
headUser = doer
|
|
} else {
|
|
headUser = pr.HeadRepo.Owner
|
|
}
|
|
|
|
env = models.FullPushingEnvironment(
|
|
headUser,
|
|
doer,
|
|
pr.BaseRepo,
|
|
pr.BaseRepo.Name,
|
|
pr.ID,
|
|
)
|
|
|
|
var pushCmd *git.Command
|
|
if mergeStyle == repo_model.MergeStyleRebaseUpdate {
|
|
// force push the rebase result to head branch
|
|
pushCmd = git.NewCommand("push", "-f", "head_repo", stagingBranch+":"+git.BranchPrefix+pr.HeadBranch)
|
|
} else {
|
|
pushCmd = git.NewCommand("push", "origin", baseBranch+":"+git.BranchPrefix+pr.BaseBranch)
|
|
}
|
|
|
|
// Push back to upstream.
|
|
if err := pushCmd.RunInDirTimeoutEnvPipeline(env, -1, tmpBasePath, &outbuf, &errbuf); err != nil {
|
|
if strings.Contains(errbuf.String(), "non-fast-forward") {
|
|
return "", &git.ErrPushOutOfDate{
|
|
StdOut: outbuf.String(),
|
|
StdErr: errbuf.String(),
|
|
Err: err,
|
|
}
|
|
} else if strings.Contains(errbuf.String(), "! [remote rejected]") {
|
|
err := &git.ErrPushRejected{
|
|
StdOut: outbuf.String(),
|
|
StdErr: errbuf.String(),
|
|
Err: err,
|
|
}
|
|
err.GenerateMessage()
|
|
return "", err
|
|
}
|
|
return "", fmt.Errorf("git push: %s", errbuf.String())
|
|
}
|
|
outbuf.Reset()
|
|
errbuf.Reset()
|
|
|
|
return mergeCommitID, nil
|
|
}
|
|
|
|
func commitAndSignNoAuthor(pr *models.PullRequest, message, signArg, tmpBasePath string, env []string) error {
|
|
var outbuf, errbuf strings.Builder
|
|
if signArg == "" {
|
|
if err := git.NewCommand("commit", "-m", message).RunInDirTimeoutEnvPipeline(env, -1, tmpBasePath, &outbuf, &errbuf); err != nil {
|
|
log.Error("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return fmt.Errorf("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
}
|
|
} else {
|
|
if err := git.NewCommand("commit", signArg, "-m", message).RunInDirTimeoutEnvPipeline(env, -1, tmpBasePath, &outbuf, &errbuf); err != nil {
|
|
log.Error("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return fmt.Errorf("git commit [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func runMergeCommand(pr *models.PullRequest, mergeStyle repo_model.MergeStyle, cmd *git.Command, tmpBasePath string) error {
|
|
var outbuf, errbuf strings.Builder
|
|
if err := cmd.RunInDirPipeline(tmpBasePath, &outbuf, &errbuf); err != nil {
|
|
// Merge will leave a MERGE_HEAD file in the .git folder if there is a conflict
|
|
if _, statErr := os.Stat(filepath.Join(tmpBasePath, ".git", "MERGE_HEAD")); statErr == nil {
|
|
// We have a merge conflict error
|
|
log.Debug("MergeConflict [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return models.ErrMergeConflicts{
|
|
Style: mergeStyle,
|
|
StdOut: outbuf.String(),
|
|
StdErr: errbuf.String(),
|
|
Err: err,
|
|
}
|
|
} else if strings.Contains(errbuf.String(), "refusing to merge unrelated histories") {
|
|
log.Debug("MergeUnrelatedHistories [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return models.ErrMergeUnrelatedHistories{
|
|
Style: mergeStyle,
|
|
StdOut: outbuf.String(),
|
|
StdErr: errbuf.String(),
|
|
Err: err,
|
|
}
|
|
}
|
|
log.Error("git merge [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
return fmt.Errorf("git merge [%s:%s -> %s:%s]: %v\n%s\n%s", pr.HeadRepo.FullName(), pr.HeadBranch, pr.BaseRepo.FullName(), pr.BaseBranch, err, outbuf.String(), errbuf.String())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
var escapedSymbols = regexp.MustCompile(`([*[?! \\])`)
|
|
|
|
func getDiffTree(repoPath, baseBranch, headBranch string) (string, error) {
|
|
getDiffTreeFromBranch := func(repoPath, baseBranch, headBranch string) (string, error) {
|
|
var outbuf, errbuf strings.Builder
|
|
// Compute the diff-tree for sparse-checkout
|
|
if err := git.NewCommand("diff-tree", "--no-commit-id", "--name-only", "-r", "-z", "--root", baseBranch, headBranch, "--").RunInDirPipeline(repoPath, &outbuf, &errbuf); err != nil {
|
|
return "", fmt.Errorf("git diff-tree [%s base:%s head:%s]: %s", repoPath, baseBranch, headBranch, errbuf.String())
|
|
}
|
|
return outbuf.String(), nil
|
|
}
|
|
|
|
scanNullTerminatedStrings := func(data []byte, atEOF bool) (advance int, token []byte, err error) {
|
|
if atEOF && len(data) == 0 {
|
|
return 0, nil, nil
|
|
}
|
|
if i := bytes.IndexByte(data, '\x00'); i >= 0 {
|
|
return i + 1, data[0:i], nil
|
|
}
|
|
if atEOF {
|
|
return len(data), data, nil
|
|
}
|
|
return 0, nil, nil
|
|
}
|
|
|
|
list, err := getDiffTreeFromBranch(repoPath, baseBranch, headBranch)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
// Prefixing '/' for each entry, otherwise all files with the same name in subdirectories would be matched.
|
|
out := bytes.Buffer{}
|
|
scanner := bufio.NewScanner(strings.NewReader(list))
|
|
scanner.Split(scanNullTerminatedStrings)
|
|
for scanner.Scan() {
|
|
filepath := scanner.Text()
|
|
// escape '*', '?', '[', spaces and '!' prefix
|
|
filepath = escapedSymbols.ReplaceAllString(filepath, `\$1`)
|
|
// no necessary to escape the first '#' symbol because the first symbol is '/'
|
|
fmt.Fprintf(&out, "/%s\n", filepath)
|
|
}
|
|
|
|
return out.String(), nil
|
|
}
|
|
|
|
// IsSignedIfRequired check if merge will be signed if required
|
|
func IsSignedIfRequired(pr *models.PullRequest, doer *user_model.User) (bool, error) {
|
|
if err := pr.LoadProtectedBranch(); err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if pr.ProtectedBranch == nil || !pr.ProtectedBranch.RequireSignedCommits {
|
|
return true, nil
|
|
}
|
|
|
|
sign, _, _, err := asymkey_service.SignMerge(pr, doer, pr.BaseRepo.RepoPath(), pr.BaseBranch, pr.GetGitRefName())
|
|
|
|
return sign, err
|
|
}
|
|
|
|
// IsUserAllowedToMerge check if user is allowed to merge PR with given permissions and branch protections
|
|
func IsUserAllowedToMerge(pr *models.PullRequest, p models.Permission, user *user_model.User) (bool, error) {
|
|
if user == nil {
|
|
return false, nil
|
|
}
|
|
|
|
err := pr.LoadProtectedBranch()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if (p.CanWrite(unit.TypeCode) && pr.ProtectedBranch == nil) || (pr.ProtectedBranch != nil && models.IsUserMergeWhitelisted(pr.ProtectedBranch, user.ID, p)) {
|
|
return true, nil
|
|
}
|
|
|
|
return false, nil
|
|
}
|
|
|
|
// CheckPRReadyToMerge checks whether the PR is ready to be merged (reviews and status checks)
|
|
func CheckPRReadyToMerge(pr *models.PullRequest, skipProtectedFilesCheck bool) (err error) {
|
|
if err = pr.LoadBaseRepo(); err != nil {
|
|
return fmt.Errorf("LoadBaseRepo: %v", err)
|
|
}
|
|
|
|
if err = pr.LoadProtectedBranch(); err != nil {
|
|
return fmt.Errorf("LoadProtectedBranch: %v", err)
|
|
}
|
|
if pr.ProtectedBranch == nil {
|
|
return nil
|
|
}
|
|
|
|
isPass, err := IsPullCommitStatusPass(pr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !isPass {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "Not all required status checks successful",
|
|
}
|
|
}
|
|
|
|
if !pr.ProtectedBranch.HasEnoughApprovals(pr) {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "Does not have enough approvals",
|
|
}
|
|
}
|
|
if pr.ProtectedBranch.MergeBlockedByRejectedReview(pr) {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "There are requested changes",
|
|
}
|
|
}
|
|
if pr.ProtectedBranch.MergeBlockedByOfficialReviewRequests(pr) {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "There are official review requests",
|
|
}
|
|
}
|
|
|
|
if pr.ProtectedBranch.MergeBlockedByOutdatedBranch(pr) {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "The head branch is behind the base branch",
|
|
}
|
|
}
|
|
|
|
if skipProtectedFilesCheck {
|
|
return nil
|
|
}
|
|
|
|
if pr.ProtectedBranch.MergeBlockedByProtectedFiles(pr) {
|
|
return models.ErrNotAllowedToMerge{
|
|
Reason: "Changed protected files",
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// MergedManually mark pr as merged manually
|
|
func MergedManually(pr *models.PullRequest, doer *user_model.User, baseGitRepo *git.Repository, commitID string) (err error) {
|
|
prUnit, err := pr.BaseRepo.GetUnit(unit.TypePullRequests)
|
|
if err != nil {
|
|
return
|
|
}
|
|
prConfig := prUnit.PullRequestsConfig()
|
|
|
|
// Check if merge style is correct and allowed
|
|
if !prConfig.IsMergeStyleAllowed(repo_model.MergeStyleManuallyMerged) {
|
|
return models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: repo_model.MergeStyleManuallyMerged}
|
|
}
|
|
|
|
if len(commitID) < 40 {
|
|
return fmt.Errorf("Wrong commit ID")
|
|
}
|
|
|
|
commit, err := baseGitRepo.GetCommit(commitID)
|
|
if err != nil {
|
|
if git.IsErrNotExist(err) {
|
|
return fmt.Errorf("Wrong commit ID")
|
|
}
|
|
return
|
|
}
|
|
|
|
ok, err := baseGitRepo.IsCommitInBranch(commitID, pr.BaseBranch)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if !ok {
|
|
return fmt.Errorf("Wrong commit ID")
|
|
}
|
|
|
|
pr.MergedCommitID = commitID
|
|
pr.MergedUnix = timeutil.TimeStamp(commit.Author.When.Unix())
|
|
pr.Status = models.PullRequestStatusManuallyMerged
|
|
pr.Merger = doer
|
|
pr.MergerID = doer.ID
|
|
|
|
merged := false
|
|
if merged, err = pr.SetMerged(); err != nil {
|
|
return
|
|
} else if !merged {
|
|
return fmt.Errorf("SetMerged failed")
|
|
}
|
|
|
|
notification.NotifyMergePullRequest(pr, doer)
|
|
log.Info("manuallyMerged[%d]: Marked as manually merged into %s/%s by commit id: %s", pr.ID, pr.BaseRepo.Name, pr.BaseBranch, commit.ID.String())
|
|
return nil
|
|
}
|