Commit 67de21c1 authored by Rémy Coutable's avatar Rémy Coutable

Move `fetch_ref` from MergeRequestDiff#ensure_commit_shas to MergeRequest

MergeRequest#create_merge_request_diff and MergeRequest#reload_diff are
the only places where we generate a new MR diff so that's where we
should fetch the ref.

This also ensures that the ref is not fetched when we call
merge_request.merge_request_diffs.create in
Github::Import#fetch_pull_requests.
Signed-off-by: default avatarRémy Coutable <remy@rymai.me>
parent 43b75b38
No related merge requests found
......@@ -415,6 +415,8 @@ class MergeRequest < ActiveRecord::Base
end
def create_merge_request_diff
fetch_ref
# n+1: https://gitlab.com/gitlab-org/gitlab-ce/issues/37435
Gitlab::GitalyClient.allow_n_plus_1_calls do
merge_request_diffs.create
......@@ -462,6 +464,7 @@ class MergeRequest < ActiveRecord::Base
return unless open?
old_diff_refs = self.diff_refs
create_merge_request_diff
MergeRequests::MergeRequestDiffCacheService.new.execute(self)
new_diff_refs = self.diff_refs
......
......@@ -55,8 +55,6 @@ class MergeRequestDiff < ActiveRecord::Base
end
def ensure_commit_shas
merge_request.fetch_ref
self.start_commit_sha ||= merge_request.target_branch_sha
self.head_commit_sha ||= merge_request.source_branch_sha
self.base_commit_sha ||= find_base_sha
......
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