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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package doctor
import (
"context"
"fmt"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"xorm.io/builder"
)
func iteratePRs(repo *repo_model.Repository, each func(*repo_model.Repository, *models.PullRequest) error) error {
return db.Iterate(
db.DefaultContext,
new(models.PullRequest),
builder.Eq{"base_repo_id": repo.ID},
func(idx int, bean interface{}) error {
return each(repo, bean.(*models.PullRequest))
},
)
}
func checkPRMergeBase(ctx context.Context, logger log.Logger, autofix bool) error {
numRepos := 0
numPRs := 0
numPRsUpdated := 0
err := iterateRepositories(func(repo *repo_model.Repository) error {
numRepos++
return iteratePRs(repo, func(repo *repo_model.Repository, pr *models.PullRequest) error {
numPRs++
pr.BaseRepo = repo
repoPath := repo.RepoPath()
oldMergeBase := pr.MergeBase
if !pr.HasMerged {
var err error
pr.MergeBase, err = git.NewCommandContext(ctx, "merge-base", "--", pr.BaseBranch, pr.GetGitRefName()).RunInDir(repoPath)
if err != nil {
var err2 error
pr.MergeBase, err2 = git.NewCommandContext(ctx, "rev-parse", git.BranchPrefix+pr.BaseBranch).RunInDir(repoPath)
if err2 != nil {
logger.Warn("Unable to get merge base for PR ID %d, #%d onto %s in %s/%s. Error: %v & %v", pr.ID, pr.Index, pr.BaseBranch, pr.BaseRepo.OwnerName, pr.BaseRepo.Name, err, err2)
return nil
}
}
} else {
parentsString, err := git.NewCommandContext(ctx, "rev-list", "--parents", "-n", "1", pr.MergedCommitID).RunInDir(repoPath)
if err != nil {
logger.Warn("Unable to get parents for merged PR ID %d, #%d onto %s in %s/%s. Error: %v", pr.ID, pr.Index, pr.BaseBranch, pr.BaseRepo.OwnerName, pr.BaseRepo.Name, err)
return nil
}
parents := strings.Split(strings.TrimSpace(parentsString), " ")
if len(parents) < 2 {
return nil
}
args := append([]string{"merge-base", "--"}, parents[1:]...)
args = append(args, pr.GetGitRefName())
pr.MergeBase, err = git.NewCommandContext(ctx, args...).RunInDir(repoPath)
if err != nil {
logger.Warn("Unable to get merge base for merged PR ID %d, #%d onto %s in %s/%s. Error: %v", pr.ID, pr.Index, pr.BaseBranch, pr.BaseRepo.OwnerName, pr.BaseRepo.Name, err)
return nil
}
}
pr.MergeBase = strings.TrimSpace(pr.MergeBase)
if pr.MergeBase != oldMergeBase {
if autofix {
if err := pr.UpdateCols("merge_base"); err != nil {
logger.Critical("Failed to update merge_base. ERROR: %v", err)
return fmt.Errorf("Failed to update merge_base. ERROR: %v", err)
}
} else {
logger.Info("#%d onto %s in %s/%s: MergeBase should be %s but is %s", pr.Index, pr.BaseBranch, pr.BaseRepo.OwnerName, pr.BaseRepo.Name, oldMergeBase, pr.MergeBase)
}
numPRsUpdated++
}
return nil
})
})
if autofix {
logger.Info("%d PR mergebases updated of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
} else {
if numPRsUpdated > 0 && err == nil {
logger.Critical("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
return fmt.Errorf("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
}
logger.Warn("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
}
return err
}
func init() {
Register(&Check{
Title: "Recalculate merge bases",
Name: "recalculate-merge-bases",
IsDefault: false,
Run: checkPRMergeBase,
Priority: 7,
})
}
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