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Handle too long PR titles correctly #16517

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Jul 25, 2021
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9 changes: 9 additions & 0 deletions routers/web/repo/compare.go
Original file line number Diff line number Diff line change
Expand Up @@ -567,6 +567,15 @@ func PrepareCompareDiff(
} else {
title = headBranch
}
if len(title) > 255 {
if ctx.Data["content"] != nil {
ctx.Data["content"] = fmt.Sprintf("…%s\n\n%s", title[254:], ctx.Data["content"])
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} else {
ctx.Data["content"] = "…" + title[254:] + "\n"
}
title = title[:254] + "…"
}

ctx.Data["title"] = title
ctx.Data["Username"] = headUser.Name
ctx.Data["Reponame"] = headRepo.Name
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10 changes: 10 additions & 0 deletions routers/web/repo/pull.go
Original file line number Diff line number Diff line change
Expand Up @@ -1001,10 +1001,14 @@ func CompareAndPullRequestPost(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
ctx.Data["PageIsComparePull"] = true
ctx.Data["IsDiffCompare"] = true
ctx.Data["IsRepoToolbarCommits"] = true
ctx.Data["RequireTribute"] = true
ctx.Data["RequireSimpleMDE"] = true
ctx.Data["RequireHighlightJS"] = true
ctx.Data["PullRequestWorkInProgressPrefixes"] = setting.Repository.PullRequest.WorkInProgressPrefixes
ctx.Data["IsAttachmentEnabled"] = setting.Attachment.Enabled
upload.AddUploadContext(ctx, "comment")
ctx.Data["HasIssuesOrPullsWritePermission"] = ctx.Repo.CanWrite(models.UnitTypePullRequests)

var (
repo = ctx.Repo.Repository
Expand Down Expand Up @@ -1037,6 +1041,12 @@ func CompareAndPullRequestPost(ctx *context.Context) {
return
}

if len(form.Title) > 255 {
form.Content = "…" + form.Title[254:] + "\n\n" + form.Content
form.Title = form.Title[:252] + "..."
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}
middleware.AssignForm(form, ctx.Data)

ctx.HTML(http.StatusOK, tplCompareDiff)
return
}
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8 changes: 4 additions & 4 deletions templates/repo/diff/compare.tmpl
Original file line number Diff line number Diff line change
Expand Up @@ -176,10 +176,10 @@
{{if .IsNothingToCompare}}
{{if and $.IsSigned $.AllowEmptyPr (not .Repository.IsArchived) }}
<div class="ui segment">{{.i18n.Tr "repo.pulls.nothing_to_compare_and_allow_empty_pr"}}</div>
<div class="ui info message show-form-container">
<div class="ui info message show-form-container" {{if .Flash}}style="display: none"{{end}}>
<button class="ui button green show-form">{{.i18n.Tr "repo.pulls.new"}}</button>
</div>
<div class="pullrequest-form" style="display: none">
<div class="pullrequest-form" {{if not .Flash}}style="display: none"{{end}}>
{{template "repo/issue/new_form" .}}
</div>
{{else}}
Expand All @@ -192,7 +192,7 @@
</div>
{{else}}
{{if and $.IsSigned (not .Repository.IsArchived)}}
<div class="ui info message show-form-container">
<div class="ui info message show-form-container" {{if .Flash}}style="display: none"{{end}}>
<button class="ui button green show-form">{{.i18n.Tr "repo.pulls.new"}}</button>
</div>
{{else if .Repository.IsArchived}}
Expand All @@ -201,7 +201,7 @@
</div>
{{end}}
{{if $.IsSigned}}
<div class="pullrequest-form" style="display: none">
<div class="pullrequest-form" {{if not .Flash}}style="display: none"{{end}}>
{{template "repo/issue/new_form" .}}
</div>
{{end}}
Expand Down