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Properly migrate automatic merge GitLab comments (#27873)

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GitLab generates "system notes" whenever an event happens within the
platform. Unlike Gitea, those events are stored and retrieved as text
comments with no semantic details. The only way to tell whether a
comment was generated in this manner is the `system` flag on the note
type.

This PR adds detection for two specific kinds of events: Scheduling and
un-scheduling of automatic merges on a PR. When detected, they are
downloaded using Gitea's type for these events, and eventually uploaded
into Gitea in the expected format, i.e. with no text content in the
comment.

This PR also updates the template used to render comments to add support
for migrated comments of these two types.

ref:
11bd6dc826/app/services/system_notes/merge_requests_service.rb (L6-L17)

---------

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
(cherry picked from commit a70c00b80bcb5de8479e407f1b8f08dcf756019d)
This commit is contained in:
Sebastian Brückner 2024-02-22 07:29:03 +00:00 committed by Earl Warren
parent 7906838669
commit 542badbb76
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00
5 changed files with 111 additions and 30 deletions
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2
services/migrations/gitea_uploader.go
View file

@ -487,6 +487,8 @@ func (g *GiteaLocalUploader) CreateComments(comments ...*base.Comment) error {
if comment.Meta["NewTitle"] != nil {
cm.NewTitle = fmt.Sprintf("%s", comment.Meta["NewTitle"])
}
case issues_model.CommentTypePRScheduledToAutoMerge, issues_model.CommentTypePRUnScheduledToAutoMerge:
cm.Content = ""
default:
}

50
services/migrations/gitlab.go
View file

@ -14,6 +14,7 @@ import (
"strings"
"time"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/log"
base "code.gitea.io/gitea/modules/migration"
@ -506,30 +507,8 @@ func (g *GitlabDownloader) GetComments(commentable base.Commentable) ([]*base.Co
return nil, false, fmt.Errorf("error while listing comments: %v %w", g.repoID, err)
}
for _, comment := range comments {
// Flatten comment threads
if !comment.IndividualNote {
for _, note := range comment.Notes {
allComments = append(allComments, &base.Comment{
IssueIndex: commentable.GetLocalIndex(),
Index: int64(note.ID),
PosterID: int64(note.Author.ID),
PosterName: note.Author.Username,
PosterEmail: note.Author.Email,
Content: note.Body,
Created: *note.CreatedAt,
})
}
} else {
c := comment.Notes[0]
allComments = append(allComments, &base.Comment{
IssueIndex: commentable.GetLocalIndex(),
Index: int64(c.ID),
PosterID: int64(c.Author.ID),
PosterName: c.Author.Username,
PosterEmail: c.Author.Email,
Content: c.Body,
Created: *c.CreatedAt,
})
for _, note := range comment.Notes {
allComments = append(allComments, g.convertNoteToComment(commentable.GetLocalIndex(), note))
}
}
if resp.NextPage == 0 {
@ -540,6 +519,29 @@ func (g *GitlabDownloader) GetComments(commentable base.Commentable) ([]*base.Co
return allComments, true, nil
}
func (g *GitlabDownloader) convertNoteToComment(localIndex int64, note *gitlab.Note) *base.Comment {
comment := &base.Comment{
IssueIndex: localIndex,
Index: int64(note.ID),
PosterID: int64(note.Author.ID),
PosterName: note.Author.Username,
PosterEmail: note.Author.Email,
Content: note.Body,
Created: *note.CreatedAt,
}
// Try to find the underlying event of system notes.
if note.System {
if strings.HasPrefix(note.Body, "enabled an automatic merge") {
comment.CommentType = issues_model.CommentTypePRScheduledToAutoMerge.String()
} else if note.Body == "canceled the automatic merge" {
comment.CommentType = issues_model.CommentTypePRUnScheduledToAutoMerge.String()
}
}
return comment
}
// GetPullRequests returns pull requests according page and perPage
func (g *GitlabDownloader) GetPullRequests(page, perPage int) ([]*base.PullRequest, bool, error) {
if perPage > g.maxPerPage {

65
services/migrations/gitlab_test.go
View file

@ -558,6 +558,71 @@ func TestAwardsToReactions(t *testing.T) {
}, reactions)
}
func TestNoteToComment(t *testing.T) {
downloader := &GitlabDownloader{}
now := time.Now()
makeTestNote := func(id int, body string, system bool) gitlab.Note {
return gitlab.Note{
ID: id,
Author: struct {
ID int `json:"id"`
Username string `json:"username"`
Email string `json:"email"`
Name string `json:"name"`
State string `json:"state"`
AvatarURL string `json:"avatar_url"`
WebURL string `json:"web_url"`
}{
ID: 72,
Email: "test@example.com",
Username: "test",
},
Body: body,
CreatedAt: &now,
System: system,
}
}
notes := []gitlab.Note{
makeTestNote(1, "This is a regular comment", false),
makeTestNote(2, "enabled an automatic merge for abcd1234", true),
makeTestNote(3, "canceled the automatic merge", true),
}
comments := []base.Comment{{
IssueIndex: 17,
Index: 1,
PosterID: 72,
PosterName: "test",
PosterEmail: "test@example.com",
CommentType: "",
Content: "This is a regular comment",
Created: now,
}, {
IssueIndex: 17,
Index: 2,
PosterID: 72,
PosterName: "test",
PosterEmail: "test@example.com",
CommentType: "pull_scheduled_merge",
Content: "enabled an automatic merge for abcd1234",
Created: now,
}, {
IssueIndex: 17,
Index: 3,
PosterID: 72,
PosterName: "test",
PosterEmail: "test@example.com",
CommentType: "pull_cancel_scheduled_merge",
Content: "canceled the automatic merge",
Created: now,
}}
for i, note := range notes {
actualComment := *downloader.convertNoteToComment(17, &note)
assert.EqualValues(t, actualComment, comments[i])
}
}
func TestGitlabIIDResolver(t *testing.T) {
r := gitlabIIDResolver{}
r.recordIssueIID(1)

17
templates/repo/issue/view_content/comments.tmpl
View file

@ -385,8 +385,9 @@
{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
{{.OriginalAuthor}}
</span>
<span class="text grey muted-links"> {{if $.Repository.OriginalURL}}</span>
<span class="text migrate">({{ctx.Locale.Tr "repo.migrated_from" ($.Repository.OriginalURL|Escape) ($.Repository.GetOriginalURLHostname|Escape) | Safe}}){{end}}</span>
{{if $.Repository.OriginalURL}}
<span class="migrate">({{ctx.Locale.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname}})</span>
{{end}}
{{else}}
{{template "shared/user/authorlink" .Poster}}
{{end}}
@ -667,7 +668,17 @@
<div class="timeline-item event" id="{{.HashTag}}">
<span class="badge">{{svg "octicon-git-merge" 16}}</span>
<span class="text grey muted-links">
{{template "shared/user/authorlink" .Poster}}
{{if .OriginalAuthor}}
<span class="text black">
{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
{{.OriginalAuthor}}
</span>
{{if $.Repository.OriginalURL}}
<span class="migrate">({{ctx.Locale.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname}})</span>
{{end}}
{{else}}
{{template "shared/user/authorlink" .Poster}}
{{end}}
{{if eq .Type 34}}{{ctx.Locale.Tr "repo.pulls.auto_merge_newly_scheduled_comment" $createdStr | Safe}}
{{else}}{{ctx.Locale.Tr "repo.pulls.auto_merge_canceled_schedule_comment" $createdStr | Safe}}{{end}}
</span>

7
templates/repo/issue/view_content/conversation.tmpl
View file

@ -63,12 +63,13 @@
{{end}}
<span class="text grey muted-links">
{{if .OriginalAuthor}}
<span class="text black gt-font-semibold">
<span class="text black">
{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
{{.OriginalAuthor}}
</span>
<span class="text grey muted-links"> {{if $.Repository.OriginalURL}}</span>
<span class="text migrate">({{ctx.Locale.Tr "repo.migrated_from" ($.Repository.OriginalURL|Escape) ($.Repository.GetOriginalURLHostname|Escape) | Safe}}){{end}}</span>
{{if $.Repository.OriginalURL}}
<span class="migrate">({{ctx.Locale.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname}})</span>
{{end}}
{{else}}
{{template "shared/user/authorlink" .Poster}}
{{end}}