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Abort merge if head has been updated before pressing merge (#18032)

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* Abort merge if head has been updated before pressing merge

It is possible that a PR head may be pushed to between the merge page being shown
and the merge button being pressed. Pass the current expected head in as a parameter
and cancel the merge if it has changed.

Fix #18028

Signed-off-by: Andrew Thornton <art27@cantab.net>

* adjust swagger

Signed-off-by: Andrew Thornton <art27@cantab.net>

* fix test

Signed-off-by: Andrew Thornton <art27@cantab.net>

* placate lint

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-12-20 00:32:54 +00:00 • committed by GitHub
parent b24a965b81
commit e4e411821d
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9 changed files with 42 additions and 9 deletions
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6
integrations/pull_merge_test.go
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@ -241,11 +241,11 @@ func TestCantMergeConflict(t *testing.T) {
gitRepo, err := git.OpenRepository(repo_model.RepoPath(user1.Name, repo1.Name))
assert.NoError(t, err)
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleMerge, "CONFLICT")
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleMerge, "", "CONFLICT")
assert.Error(t, err, "Merge should return an error due to conflict")
assert.True(t, models.IsErrMergeConflicts(err), "Merge error is not a conflict error")
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleRebase, "CONFLICT")
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleRebase, "", "CONFLICT")
assert.Error(t, err, "Merge should return an error due to conflict")
assert.True(t, models.IsErrRebaseConflicts(err), "Merge error is not a conflict error")
gitRepo.Close()
@ -329,7 +329,7 @@ func TestCantMergeUnrelated(t *testing.T) {
BaseBranch: "base",
}).(*models.PullRequest)
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleMerge, "UNRELATED")
err = pull.Merge(pr, user1, gitRepo, repo_model.MergeStyleMerge, "", "UNRELATED")
assert.Error(t, err, "Merge should return an error due to unrelated")
assert.True(t, models.IsErrMergeUnrelatedHistories(err), "Merge error is not a unrelated histories error")
gitRepo.Close()