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Fix checks in PR for empty commits (#20290) (#20352)

Backport #20290

* Fix #19603
* fill HeadCommitID in PullRequest
* compare real commits ID as check for merging


Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
Ing. Jaroslav Šafka 2022-07-13 19:36:23 +02:00 committed by GitHub
parent 66686f6d0e
commit 92a43d577d
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 58 additions and 9 deletions

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@ -105,7 +105,11 @@ func doAPICreateCommitStatus(ctx APITestContext, commitID string, status api.Com
}
}
func TestPullCreate_EmptyChangesWithCommits(t *testing.T) {
func TestPullCreate_EmptyChangesWithDifferentCommits(t *testing.T) {
// Merge must continue if commits SHA are different, even if content is same
// Reason: gitflow and merging master back into develop, where is high possiblity, there are no changes
// but just commit saying "Merge branch". And this meta commit can be also tagged,
// so we need to have this meta commit also in develop branch.
onGiteaRun(t, func(t *testing.T, u *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
@ -126,6 +130,28 @@ func TestPullCreate_EmptyChangesWithCommits(t *testing.T) {
doc := NewHTMLParser(t, resp.Body)
text := strings.TrimSpace(doc.doc.Find(".merge-section").Text())
assert.Contains(t, text, "This branch is equal with the target branch.")
assert.Contains(t, text, "This pull request can be merged automatically.")
})
}
func TestPullCreate_EmptyChangesWithSameCommits(t *testing.T) {
onGiteaRun(t, func(t *testing.T, u *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testCreateBranch(t, session, "user1", "repo1", "branch/master", "status1", http.StatusSeeOther)
url := path.Join("user1", "repo1", "compare", "master...status1")
req := NewRequestWithValues(t, "POST", url,
map[string]string{
"_csrf": GetCSRF(t, session, url),
"title": "pull request from status1",
},
)
session.MakeRequest(t, req, http.StatusSeeOther)
req = NewRequest(t, "GET", "/user1/repo1/pulls/1")
resp := session.MakeRequest(t, req, http.StatusOK)
doc := NewHTMLParser(t, resp.Body)
text := strings.TrimSpace(doc.doc.Find(".merge-section").Text())
assert.Contains(t, text, "This branch is already included in the target branch. There is nothing to merge.")
})
}

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@ -122,6 +122,7 @@ const (
PullRequestStatusManuallyMerged
PullRequestStatusError
PullRequestStatusEmpty
PullRequestStatusAncestor
)
// PullRequestFlow the flow of pull request
@ -423,6 +424,11 @@ func (pr *PullRequest) IsEmpty() bool {
return pr.Status == PullRequestStatusEmpty
}
// IsAncestor returns true if the Head Commit of this PR is an ancestor of the Base Commit
func (pr *PullRequest) IsAncestor() bool {
return pr.Status == PullRequestStatusAncestor
}
// SetMerged sets a pull request to merged and closes the corresponding issue
func (pr *PullRequest) SetMerged(ctx context.Context) (bool, error) {
if pr.HasMerged {

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@ -1531,7 +1531,8 @@ pulls.remove_prefix = Remove <strong>%s</strong> prefix
pulls.data_broken = This pull request is broken due to missing fork information.
pulls.files_conflicted = This pull request has changes conflicting with the target branch.
pulls.is_checking = "Merge conflict checking is in progress. Try again in few moments."
pulls.is_empty = "This branch is equal with the target branch."
pulls.is_ancestor = "This branch is already included in the target branch. There is nothing to merge."
pulls.is_empty = "The changes on this branch are already on the target branch. This will be an empty commit."
pulls.required_status_check_failed = Some required checks were not successful.
pulls.required_status_check_missing = Some required checks are missing.
pulls.required_status_check_administrator = As an administrator, you may still merge this pull request.

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@ -89,7 +89,7 @@ func CheckPullMergable(stdCtx context.Context, doer *user_model.User, perm *acce
return ErrIsWorkInProgress
}
if !pr.CanAutoMerge() {
if !pr.CanAutoMerge() && !pr.IsEmpty() {
return ErrNotMergableState
}

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@ -87,6 +87,14 @@ func TestPatch(pr *issues_model.PullRequest) error {
}
}
pr.MergeBase = strings.TrimSpace(pr.MergeBase)
if pr.HeadCommitID, err = gitRepo.GetRefCommitID(git.BranchPrefix + "tracking"); err != nil {
return fmt.Errorf("GetBranchCommitID: can't find commit ID for head: %w", err)
}
if pr.HeadCommitID == pr.MergeBase {
pr.Status = issues_model.PullRequestStatusAncestor
return nil
}
// 2. Check for conflicts
if conflicts, err := checkConflicts(ctx, pr, gitRepo, tmpBasePath); err != nil || conflicts || pr.Status == issues_model.PullRequestStatusEmpty {

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@ -195,12 +195,12 @@
<i class="icon icon-octicon">{{svg "octicon-sync"}}</i>
{{$.i18n.Tr "repo.pulls.is_checking"}}
</div>
{{else if .Issue.PullRequest.IsEmpty}}
{{else if .Issue.PullRequest.IsAncestor}}
<div class="item">
<i class="icon icon-octicon">{{svg "octicon-alert" 16}}</i>
{{$.i18n.Tr "repo.pulls.is_empty"}}
{{$.i18n.Tr "repo.pulls.is_ancestor"}}
</div>
{{else if .Issue.PullRequest.CanAutoMerge}}
{{else if or .Issue.PullRequest.CanAutoMerge .Issue.PullRequest.IsEmpty}}
{{if .IsBlockedByApprovals}}
<div class="item">
<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
@ -282,7 +282,6 @@
</div>
{{end}}
{{end}}
{{if and (gt .Issue.PullRequest.CommitsBehind 0) (not .Issue.IsClosed) (not .Issue.PullRequest.IsChecking) (not .IsPullFilesConflicted) (not .IsPullRequestBroken) (not $canAutoMerge)}}
<div class="ui divider"></div>
<div class="item item-section">
@ -321,6 +320,14 @@
</div>
</div>
{{end}}
{{if .Issue.PullRequest.IsEmpty}}
<div class="ui divider"></div>
<div class="item">
<i class="icon icon-octicon">{{svg "octicon-alert" 16}}</i>
{{$.i18n.Tr "repo.pulls.is_empty"}}
</div>
{{end}}
{{if .AllowMerge}} {{/* user is allowed to merge */}}
{{$prUnit := .Repository.MustGetUnit $.UnitTypePullRequests}}
@ -348,6 +355,7 @@
'canMergeNow': {{$canMergeNow}},
'allOverridableChecksOk': {{not $notAllOverridableChecksOk}},
'emptyCommit': {{.Issue.PullRequest.IsEmpty}},
'pullHeadCommitID': {{.PullHeadCommitID}},
'isPullBranchDeletable': {{.IsPullBranchDeletable}},
'defaultDeleteBranchAfterMerge': {{$prUnit.PullRequestsConfig.DefaultDeleteBranchAfterMerge}},

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@ -48,7 +48,7 @@
<div v-if="!showActionForm" class="df">
<!-- the merge button -->
<div class="ui buttons merge-button" :class="mergeButtonStyleClass" @click="toggleActionForm(true)" >
<div class="ui buttons merge-button" :class="[mergeForm.emptyCommit ? 'grey' : mergeForm.allOverridableChecksOk ? 'green' : 'red']" @click="toggleActionForm(true)" >
<button class="ui button">
<svg-icon name="octicon-git-merge"/>
<span class="button-text">