gitlab-org--gitlab-foss/lib/gitlab/conflict/file_collection.rb

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module Gitlab
module Conflict
class FileCollection
ConflictSideMissing = Class.new(StandardError)
attr_reader :merge_request, :our_commit, :their_commit, :project
delegate :repository, to: :project
class << self
# We can only write when getting the merge index from the source
# project, because we will write to that project. We don't use this all
# the time because this fetches a ref into the source project, which
# isn't needed for reading.
def for_resolution(merge_request)
project = merge_request.source_project
new(merge_request, project).tap do |file_collection|
project.
repository.
with_repo_branch_commit(merge_request.target_project.repository, merge_request.target_branch) do
yield file_collection
end
end
end
# We don't need to do `with_repo_branch_commit` here, because the target
# project always fetches source refs when creating merge request diffs.
def read_only(merge_request)
new(merge_request, merge_request.target_project)
end
end
def merge_index
@merge_index ||= repository.rugged.merge_commits(our_commit, their_commit)
end
def files
@files ||= merge_index.conflicts.map do |conflict|
raise ConflictSideMissing unless conflict[:theirs] && conflict[:ours]
Gitlab::Conflict::File.new(merge_index.merge_file(conflict[:ours][:path]),
conflict,
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merge_request: merge_request)
end
end
def file_for_path(old_path, new_path)
files.find { |file| file.their_path == old_path && file.our_path == new_path }
end
def as_json(opts = nil)
{
target_branch: merge_request.target_branch,
source_branch: merge_request.source_branch,
commit_sha: merge_request.diff_head_sha,
commit_message: default_commit_message,
files: files
}
end
def default_commit_message
conflict_filenames = merge_index.conflicts.map do |conflict|
"# #{conflict[:ours][:path]}"
end
<<EOM.chomp
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Merge branch '#{merge_request.target_branch}' into '#{merge_request.source_branch}'
# Conflicts:
#{conflict_filenames.join("\n")}
EOM
end
private
def initialize(merge_request, project)
@merge_request = merge_request
@our_commit = merge_request.source_branch_head.raw.raw_commit
@their_commit = merge_request.target_branch_head.raw.raw_commit
@project = project
end
end
end
end