Commit dfdd8815 authored by Zeger-Jan van de Weg's avatar Zeger-Jan van de Weg

Workhorse to send raw diff and patch for commits

Prior to this change, this was done through unicorn. In theory this
could time out. Workhorse has been sending these raw patches and diffs
for a long time and is stable in doing so.

Added bonus is the fact that `Commit#to_patch` can be removed.

`Commit#to_diff` too, which closes
https://gitlab.com/gitlab-org/gitaly/issues/324

Closes https://gitlab.com/gitlab-org/gitaly/issues/1196
parent e8442595
No related merge requests found
......@@ -23,8 +23,12 @@ class Projects::CommitController < Projects::ApplicationController
respond_to do |format|
format.html { render }
format.diff { render text: @commit.to_diff }
format.patch { render text: @commit.to_patch }
format.diff do
send_git_diff(@project.repository, @commit.diff_refs)
end
format.patch do
send_git_patch(@project.repository, @commit.diff_refs)
end
end
end
......
---
title: Workhorse to send raw diff and patch for commits
merge_request:
author:
type: other
......@@ -342,21 +342,6 @@ module Gitlab
parent_ids.first
end
# Shows the diff between the commit's parent and the commit.
#
# Cuts out the header and stats from #to_patch and returns only the diff.
#
# Gitaly migration: https://gitlab.com/gitlab-org/gitaly/issues/324
def to_diff
Gitlab::GitalyClient.migrate(:commit_patch, status: Gitlab::GitalyClient::MigrationStatus::OPT_OUT) do |is_enabled|
if is_enabled
@repository.gitaly_commit_client.patch(id)
else
rugged_diff_from_parent.patch
end
end
end
# Returns a diff object for the changes from this commit's first parent.
# If there is no parent, then the diff is between this commit and an
# empty repo. See Repository#diff for keys allowed in the +options+
......@@ -432,16 +417,6 @@ module Gitlab
Gitlab::Git::CommitStats.new(@repository, self)
end
def to_patch(options = {})
begin
rugged_commit.to_mbox(options)
rescue Rugged::InvalidError => ex
if ex.message =~ /commit \w+ is a merge commit/i
'Patch format is not currently supported for merge commits.'
end
end
end
# Get ref names collection
#
# Ex.
......
......@@ -79,41 +79,18 @@ describe Projects::CommitController do
end
describe "as diff" do
include_examples "export as", :diff
let(:format) { :diff }
it "triggers workhorse to serve the request" do
go(id: commit.id, format: :diff)
it "should really only be a git diff" do
go(id: '66eceea0db202bb39c4e445e8ca28689645366c5', format: format)
expect(response.body).to start_with("diff --git")
end
it "is only be a git diff without whitespace changes" do
go(id: '66eceea0db202bb39c4e445e8ca28689645366c5', format: format, w: 1)
expect(response.body).to start_with("diff --git")
# without whitespace option, there are more than 2 diff_splits for other formats
diff_splits = assigns(:diffs).diff_files.first.diff.diff.split("\n")
expect(diff_splits.length).to be <= 2
expect(response.headers[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-diff:")
end
end
describe "as patch" do
include_examples "export as", :patch
let(:format) { :patch }
let(:commit2) { project.commit('498214de67004b1da3d820901307bed2a68a8ef6') }
it "is a git email patch" do
go(id: commit2.id, format: format)
expect(response.body).to start_with("From #{commit2.id}")
end
it "contains a git diff" do
go(id: commit2.id, format: format)
go(id: commit.id, format: :patch)
expect(response.body).to match(/^diff --git/)
expect(response.headers[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-format-patch:")
end
end
......
......@@ -554,24 +554,10 @@ describe Gitlab::Git::Commit, seed_helper: true do
it_should_behave_like '#stats'
end
describe '#to_diff' do
subject { commit.to_diff }
it { is_expected.not_to include "From #{SeedRepo::Commit::ID}" }
it { is_expected.to include 'diff --git a/files/ruby/popen.rb b/files/ruby/popen.rb'}
end
describe '#has_zero_stats?' do
it { expect(commit.has_zero_stats?).to eq(false) }
end
describe '#to_patch' do
subject { commit.to_patch }
it { is_expected.to include "From #{SeedRepo::Commit::ID}" }
it { is_expected.to include 'diff --git a/files/ruby/popen.rb b/files/ruby/popen.rb'}
end
describe '#to_hash' do
let(:hash) { commit.to_hash }
subject { hash }
......
......@@ -182,7 +182,6 @@ eos
it { is_expected.to respond_to(:date) }
it { is_expected.to respond_to(:diffs) }
it { is_expected.to respond_to(:id) }
it { is_expected.to respond_to(:to_patch) }
end
describe '#closes_issues' do
......
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