Commit 7e1f14e2 authored by Douglas Barbosa Alexandre's avatar Douglas Barbosa Alexandre
Browse files

Preserve commits/diff/comments for PRs that were merged on GitHub

parent 3b508675
......@@ -26,6 +26,10 @@ class MergeRequest < ActiveRecord::Base
# when creating new merge request
attr_accessor :can_be_created, :compare_commits, :compare
# Temporary fields to store target_sha, and base_sha to
# compare when importing pull requests from GitHub
attr_accessor :base_target_sha, :head_source_sha
state_machine :state, initial: :opened do
event :close do
transition [:reopened, :opened] => :closed
......@@ -490,10 +494,14 @@ def state_icon_name
end
def target_sha
@target_sha ||= target_project.repository.commit(target_branch).try(:sha)
return @base_target_sha if defined?(@base_target_sha)
target_project.repository.commit(target_branch).try(:sha)
end
def source_sha
return @head_source_sha if defined?(@head_source_sha)
last_commit.try(:sha) || source_tip.try(:sha)
end
......
......@@ -6,7 +6,7 @@ class MergeRequestDiff < ActiveRecord::Base
belongs_to :merge_request
delegate :target_branch, :source_branch, to: :merge_request, prefix: nil
delegate :head_source_sha, :target_branch, :source_branch, to: :merge_request, prefix: nil
state_machine :state, initial: :empty do
state :collected
......@@ -38,8 +38,8 @@ def diffs(options={})
@diffs_no_whitespace ||= begin
compare = Gitlab::Git::Compare.new(
self.repository.raw_repository,
self.target_branch,
self.source_sha,
self.base,
self.head,
)
compare.diffs(options)
end
......@@ -144,7 +144,7 @@ def reload_diffs
self.st_diffs = new_diffs
self.base_commit_sha = self.repository.merge_base(self.source_sha, self.target_branch)
self.base_commit_sha = self.repository.merge_base(self.head, self.base)
self.save
end
......@@ -160,10 +160,24 @@ def repository
end
def source_sha
return head_source_sha if head_source_sha.present?
source_commit = merge_request.source_project.commit(source_branch)
source_commit.try(:sha)
end
def target_sha
merge_request.target_sha
end
def base
self.target_sha || self.target_branch
end
def head
self.source_sha
end
def compare
@compare ||=
begin
......@@ -172,8 +186,8 @@ def compare
Gitlab::Git::Compare.new(
self.repository.raw_repository,
self.target_branch,
self.source_sha
self.base,
self.head
)
end
end
......
......@@ -8,8 +8,10 @@ def attributes
description: description,
source_project: source_project,
source_branch: source_branch,
head_source_sha: source_sha,
target_project: target_project,
target_branch: target_branch,
base_target_sha: target_sha,
state: state,
milestone: milestone,
author_id: author_id,
......
......@@ -41,8 +41,10 @@
description: "*Created by: octocat*\n\nPlease pull these awesome changes",
source_project: project,
source_branch: 'feature',
head_source_sha: '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b',
target_project: project,
target_branch: 'master',
base_target_sha: '8ffb3c15a5475e59ae909384297fede4badcb4c7',
state: 'opened',
milestone: nil,
author_id: project.creator_id,
......@@ -66,8 +68,10 @@
description: "*Created by: octocat*\n\nPlease pull these awesome changes",
source_project: project,
source_branch: 'feature',
head_source_sha: '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b',
target_project: project,
target_branch: 'master',
base_target_sha: '8ffb3c15a5475e59ae909384297fede4badcb4c7',
state: 'closed',
milestone: nil,
author_id: project.creator_id,
......@@ -91,8 +95,10 @@
description: "*Created by: octocat*\n\nPlease pull these awesome changes",
source_project: project,
source_branch: 'feature',
head_source_sha: '2e5d3239642f9161dcbbc4b70a211a68e5e45e2b',
target_project: project,
target_branch: 'master',
base_target_sha: '8ffb3c15a5475e59ae909384297fede4badcb4c7',
state: 'merged',
milestone: nil,
author_id: project.creator_id,
......
......@@ -64,7 +64,13 @@
describe '#target_sha' do
context 'when the target branch does not exist anymore' do
subject { create(:merge_request).tap { |mr| mr.update_attribute(:target_branch, 'deleted') } }
let(:project) { create(:project) }
subject { create(:merge_request, source_project: project, target_project: project) }
before do
project.repository.raw_repository.delete_branch(subject.target_branch)
end
it 'returns nil' do
expect(subject.target_sha).to be_nil
......@@ -289,7 +295,12 @@
let(:fork_project) { create(:project, forked_from_project: project) }
context 'when the target branch does not exist anymore' do
subject { create(:merge_request).tap { |mr| mr.update_attribute(:target_branch, 'deleted') } }
subject { create(:merge_request, source_project: project, target_project: project) }
before do
project.repository.raw_repository.delete_branch(subject.target_branch)
subject.reload
end
it 'does not crash' do
expect{ subject.diverged_commits_count }.not_to raise_error
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment