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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 migrations
import (
"fmt"
"math"
"path/filepath"
"strings"
"time"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func addCommitDivergenceToPulls(x *xorm.Engine) error {
type Repository struct {
ID int64 `xorm:"pk autoincr"`
OwnerID int64 `xorm:"UNIQUE(s) index"`
OwnerName string
LowerName string `xorm:"UNIQUE(s) INDEX NOT NULL"`
Name string `xorm:"INDEX NOT NULL"`
}
type PullRequest struct {
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"INDEX"`
Index int64
CommitsAhead int
CommitsBehind int
BaseRepoID int64 `xorm:"INDEX"`
BaseBranch string
HasMerged bool `xorm:"INDEX"`
MergedCommitID string `xorm:"VARCHAR(40)"`
}
if err := x.Sync2(new(PullRequest)); err != nil {
return fmt.Errorf("Sync2: %v", err)
}
last := 0
migrated := 0
batchSize := setting.Database.IterateBufferSize
sess := x.NewSession()
defer sess.Close()
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
count, err := sess.Where("has_merged = ?", false).Count(new(PullRequest))
if err != nil {
return err
}
log.Info("%d Unmerged Pull Request(s) to migrate ...", count)
for {
if err := sess.Begin(); err != nil {
return err
}
results := make([]*PullRequest, 0, batchSize)
err := sess.Where("has_merged = ?", false).OrderBy("id").Limit(batchSize, last).Find(&results)
if err != nil {
return err
}
if len(results) == 0 {
break
}
last += batchSize
for _, pr := range results {
baseRepo := &Repository{ID: pr.BaseRepoID}
has, err := x.Table("repository").Get(baseRepo)
if err != nil {
return fmt.Errorf("Unable to get base repo %d %v", pr.BaseRepoID, err)
}
if !has {
log.Error("Missing base repo with id %d for PR ID %d", pr.BaseRepoID, pr.ID)
continue
}
userPath := filepath.Join(setting.RepoRootPath, strings.ToLower(baseRepo.OwnerName))
repoPath := filepath.Join(userPath, strings.ToLower(baseRepo.Name)+".git")
gitRefName := fmt.Sprintf("refs/pull/%d/head", pr.Index)
divergence, err := git.GetDivergingCommits(graceful.GetManager().HammerContext(), repoPath, pr.BaseBranch, gitRefName)
if err != nil {
log.Warn("Could not recalculate Divergence for pull: %d", pr.ID)
pr.CommitsAhead = 0
pr.CommitsBehind = 0
}
pr.CommitsAhead = divergence.Ahead
pr.CommitsBehind = divergence.Behind
if _, err = sess.ID(pr.ID).Cols("commits_ahead", "commits_behind").Update(pr); err != nil {
return fmt.Errorf("Update Cols: %v", err)
}
migrated++
}
if err := sess.Commit(); err != nil {
return err
}
select {
case <-ticker.C:
log.Info(
"%d/%d (%2.0f%%) Pull Request(s) migrated in %d batches. %d PRs Remaining ...",
migrated,
count,
float64(migrated)/float64(count)*100,
int(math.Ceil(float64(migrated)/float64(batchSize))),
count-int64(migrated))
default:
}
}
log.Info("Completed migrating %d Pull Request(s) in: %d batches", count, int(math.Ceil(float64(migrated)/float64(batchSize))))
return nil
}
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