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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/models"
- "code.gitea.io/gitea/modules/git"
- "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"`
-
- CommitsAhead int
- CommitsBehind int
-
- BaseRepoID int64 `xorm:"INDEX"`
- BaseBranch string
-
- HasMerged bool `xorm:"INDEX"`
- MergedCommitID string `xorm:"VARCHAR(40)"`
- }
-
- if err := x.Sync2(new(models.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
- }
- var results = make([]*models.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(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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