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# Controller for viewing a file's blame
class Projects::BlameController < Projects::ApplicationController
include ExtractsPath
before_action :require_non_empty_project
before_action :assign_ref_vars
before_action :authorize_download_code!
def show
@blob = @repository.blob_at(@commit.id, @path)
@blame = group_blame_lines
end
def group_blame_lines
blame = Gitlab::Git::Blame.new(@repository, @commit.id, @path)
prev_sha = nil
groups = []
current_group = nil
highlighted_lines = Gitlab::Highlight.highlight(@blob.name, @blob.data).lines
i = 0
blame.each do |commit, line|
line = highlighted_lines[i].html_safe
if prev_sha && prev_sha == commit.sha
current_group[:lines] << line
else
groups << current_group if current_group.present?
current_group = { commit: commit, lines: [line] }
end
prev_sha = commit.sha
i += 1
end
groups << current_group if current_group.present?
groups
end
end
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