Fix Error 500 when attempting to retrieve project license when HEAD points to non-existent ref
Closes #17537
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@ -3,6 +3,7 @@ Please view this file on the master branch, on stable branches it's out of date.
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v 8.8.0 (unreleased)
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- Snippets tab under user profile. !4001 (Long Nguyen)
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- Fix error when using link to uploads in global snippets
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- Fix Error 500 when attempting to retrieve project license when HEAD points to non-existent ref
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- Assign labels and milestone to target project when moving issue. !3934 (Long Nguyen)
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- Use a case-insensitive comparison in sanitizing URI schemes
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- Project#open_branches has been cleaned up and no longer loads entire records into memory.
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@ -475,7 +475,7 @@ class Repository
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end
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def license_blob
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return nil if !exists? || empty?
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return nil unless head_exists?
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cache.fetch(:license_blob) do
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tree(:head).blobs.find do |file|
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@ -485,7 +485,7 @@ class Repository
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end
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def license_key
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return nil if !exists? || empty?
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return nil unless head_exists?
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cache.fetch(:license_key) do
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Licensee.license(path).try(:key)
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@ -493,7 +493,7 @@ class Repository
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end
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def gitlab_ci_yml
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return nil if !exists? || empty?
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return nil unless head_exists?
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@gitlab_ci_yml ||= tree(:head).blobs.find do |file|
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file.name == '.gitlab-ci.yml'
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@ -961,7 +961,7 @@ class Repository
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end
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def main_language
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return if empty? || rugged.head_unborn?
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return unless head_exists?
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Linguist::Repository.new(rugged, rugged.head.target_id).language
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end
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@ -981,4 +981,8 @@ class Repository
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def cache
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@cache ||= RepositoryCache.new(path_with_namespace)
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end
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def head_exists?
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exists? && !empty? && !rugged.head_unborn?
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end
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end
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@ -176,6 +176,15 @@ describe Repository, models: true do
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repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'master')
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end
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it 'handles when HEAD points to non-existent ref' do
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repository.commit_file(user, 'LICENSE', 'Copyright!', 'Add LICENSE', 'master', false)
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rugged = double('rugged')
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expect(rugged).to receive(:head_unborn?).and_return(true)
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expect(repository).to receive(:rugged).and_return(rugged)
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expect(repository.license_blob).to be_nil
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end
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it 'looks in the root_ref only' do
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repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'markdown')
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repository.commit_file(user, 'LICENSE', Licensee::License.new('mit').content, 'Add LICENSE', 'markdown', false)
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@ -204,6 +213,15 @@ describe Repository, models: true do
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repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'master')
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end
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it 'handles when HEAD points to non-existent ref' do
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repository.commit_file(user, 'LICENSE', 'Copyright!', 'Add LICENSE', 'master', false)
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rugged = double('rugged')
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expect(rugged).to receive(:head_unborn?).and_return(true)
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expect(repository).to receive(:rugged).and_return(rugged)
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expect(repository.license_key).to be_nil
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end
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it 'returns nil when no license is detected' do
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expect(repository.license_key).to be_nil
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end
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