110 lines
3.5 KiB
Ruby
110 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Git
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module Conflict
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class File
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UnsupportedEncoding = Class.new(StandardError)
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attr_reader :ancestor_path, :their_path, :our_path, :our_mode, :repository, :commit_oid
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attr_accessor :raw_content
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def initialize(repository, commit_oid, conflict, raw_content)
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@repository = repository
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@commit_oid = commit_oid
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@ancestor_path = conflict[:ancestor][:path]
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@their_path = conflict[:theirs][:path]
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@our_path = conflict[:ours][:path]
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@our_mode = conflict[:ours][:mode]
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@raw_content = raw_content
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end
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def lines
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return @lines if defined?(@lines)
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begin
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@type = 'text'
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@lines = Gitlab::Git::Conflict::Parser.parse(content,
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our_path: our_path,
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their_path: their_path)
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rescue Gitlab::Git::Conflict::Parser::ParserError
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@type = 'text-editor'
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@lines = nil
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end
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end
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def content
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@content ||= @raw_content.dup.force_encoding('UTF-8')
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raise UnsupportedEncoding unless @content.valid_encoding?
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@content
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end
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def type
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lines unless @type
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@type.inquiry
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end
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def our_blob
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# REFACTOR NOTE: the source of `commit_oid` used to be
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# `merge_request.diff_refs.head_sha`. Instead of passing this value
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# around the new lib structure, I decided to use `@commit_oid` which is
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# equivalent to `merge_request.source_branch_head.raw.rugged_commit.oid`.
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# That is what `merge_request.diff_refs.head_sha` is equivalent to when
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# `merge_request` is not persisted (see `MergeRequest#diff_head_commit`).
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# I think using the same oid is more consistent anyways, but if Conflicts
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# start breaking, the change described above is a good place to look at.
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@our_blob ||= repository.blob_at(@commit_oid, our_path)
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end
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def line_code(line)
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Gitlab::Git.diff_line_code(our_path, line[:line_new], line[:line_old])
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end
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def resolve_lines(resolution)
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section_id = nil
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lines.map do |line|
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unless line[:type]
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section_id = nil
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next line
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end
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section_id ||= line_code(line)
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case resolution[section_id]
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when 'head'
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next unless line[:type] == 'new'
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when 'origin'
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next unless line[:type] == 'old'
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else
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raise Gitlab::Git::Conflict::Resolver::ResolutionError, "Missing resolution for section ID: #{section_id}"
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end
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line
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end.compact
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end
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def resolve_content(resolution)
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if resolution == content
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raise Gitlab::Git::Conflict::Resolver::ResolutionError, "Resolved content has no changes for file #{our_path}"
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end
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resolution
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end
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def path
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# There are conflict scenarios (e.g. file is removed on source) wherein
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# our_path will be blank/nil. Since we are indexing them by path in
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# `#conflicts` helper and we want to match the diff file to a conflict
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# in `DiffFileEntity#highlighted_diff_lines`, we need to fallback to
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# their_path (this is the path on target).
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our_path.presence || their_path
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end
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end
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end
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end
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end
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