Revert "Increase diff limits to 100 KB for collapse and 200 KB overall"
This reverts commit 1d3c33b57e
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664cd27faa
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@ -24,41 +24,13 @@ module Gitlab
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SERIALIZE_KEYS = %i(diff new_path old_path a_mode b_mode new_file renamed_file deleted_file too_large).freeze
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class << self
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# The maximum size of a diff to display.
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def size_limit
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if RequestStore.active?
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RequestStore['gitlab_git_diff_size_limit'] ||= find_size_limit
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else
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find_size_limit
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end
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end
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SIZE_LIMIT = 100.kilobytes
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# The maximum size before a diff is collapsed.
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def collapse_limit
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if RequestStore.active?
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RequestStore['gitlab_git_diff_collapse_limit'] ||= find_collapse_limit
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else
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find_collapse_limit
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end
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end
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def find_size_limit
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if Feature.enabled?('gitlab_git_diff_size_limit_increase')
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200.kilobytes
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else
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100.kilobytes
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end
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end
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def find_collapse_limit
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if Feature.enabled?('gitlab_git_diff_size_limit_increase')
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100.kilobytes
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else
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10.kilobytes
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end
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end
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COLLAPSE_LIMIT = 10.kilobytes
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class << self
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def between(repo, head, base, options = {}, *paths)
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straight = options.delete(:straight) || false
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@ -172,7 +144,7 @@ module Gitlab
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def too_large?
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if @too_large.nil?
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@too_large = @diff.bytesize >= self.class.size_limit
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@too_large = @diff.bytesize >= SIZE_LIMIT
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else
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@too_large
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end
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@ -190,7 +162,7 @@ module Gitlab
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def collapsed?
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return @collapsed if defined?(@collapsed)
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@collapsed = !expanded && @diff.bytesize >= self.class.collapse_limit
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@collapsed = !expanded && @diff.bytesize >= COLLAPSE_LIMIT
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end
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def collapse!
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@ -275,14 +247,14 @@ module Gitlab
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hunk.each_line do |line|
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size += line.content.bytesize
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if size >= self.class.size_limit
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if size >= SIZE_LIMIT
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too_large!
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return true
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end
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end
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end
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if !expanded && size >= self.class.collapse_limit
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if !expanded && size >= COLLAPSE_LIMIT
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collapse!
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return true
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end
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@ -341,8 +341,7 @@ describe Gitlab::Git::DiffCollection, seed_helper: true do
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end
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context 'when diff is quite large will collapse by default' do
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let(:iterator) { [{ diff: 'a' * (Gitlab::Git::Diff.collapse_limit + 1) }] }
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let(:max_files) { 100 }
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let(:iterator) { [{ diff: 'a' * 20480 }] }
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context 'when no collapse is set' do
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let(:expanded) { true }
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@ -31,36 +31,6 @@ EOT
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[".gitmodules"]).patches.first
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end
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describe 'size limit feature toggles' do
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context 'when the feature gitlab_git_diff_size_limit_increase is enabled' do
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before do
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stub_feature_flags(gitlab_git_diff_size_limit_increase: true)
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end
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it 'returns 200 KB for size_limit' do
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expect(described_class.size_limit).to eq(200.kilobytes)
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end
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it 'returns 100 KB for collapse_limit' do
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expect(described_class.collapse_limit).to eq(100.kilobytes)
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end
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end
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context 'when the feature gitlab_git_diff_size_limit_increase is disabled' do
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before do
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stub_feature_flags(gitlab_git_diff_size_limit_increase: false)
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end
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it 'returns 100 KB for size_limit' do
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expect(described_class.size_limit).to eq(100.kilobytes)
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end
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it 'returns 10 KB for collapse_limit' do
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expect(described_class.collapse_limit).to eq(10.kilobytes)
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end
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end
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end
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describe '.new' do
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context 'using a Hash' do
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context 'with a small diff' do
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@ -77,7 +47,7 @@ EOT
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context 'using a diff that is too large' do
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it 'prunes the diff' do
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diff = described_class.new(diff: 'a' * (described_class.size_limit + 1))
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diff = described_class.new(diff: 'a' * 204800)
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expect(diff.diff).to be_empty
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expect(diff).to be_too_large
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@ -115,8 +85,8 @@ EOT
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# The patch total size is 200, with lines between 21 and 54.
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# This is a quick-and-dirty way to test this. Ideally, a new patch is
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# added to the test repo with a size that falls between the real limits.
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allow(Gitlab::Git::Diff).to receive(:size_limit).and_return(150)
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allow(Gitlab::Git::Diff).to receive(:collapse_limit).and_return(100)
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stub_const("#{described_class}::SIZE_LIMIT", 150)
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stub_const("#{described_class}::COLLAPSE_LIMIT", 100)
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end
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it 'prunes the diff as a large diff instead of as a collapsed diff' do
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@ -356,7 +326,7 @@ EOT
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describe '#collapsed?' do
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it 'returns true for a diff that is quite large' do
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diff = described_class.new({ diff: 'a' * (described_class.collapse_limit + 1) }, expanded: false)
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diff = described_class.new({ diff: 'a' * 20480 }, expanded: false)
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expect(diff).to be_collapsed
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end
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